JPS6320458B2 - - Google Patents
Info
- Publication number
- JPS6320458B2 JPS6320458B2 JP57027044A JP2704482A JPS6320458B2 JP S6320458 B2 JPS6320458 B2 JP S6320458B2 JP 57027044 A JP57027044 A JP 57027044A JP 2704482 A JP2704482 A JP 2704482A JP S6320458 B2 JPS6320458 B2 JP S6320458B2
- Authority
- JP
- Japan
- Prior art keywords
- vinyl chloride
- film
- chloride resin
- resin film
- amount
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920005989 resin Polymers 0.000 claims description 39
- 239000011347 resin Substances 0.000 claims description 39
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 35
- 238000002834 transmittance Methods 0.000 claims description 20
- -1 amine compound Chemical class 0.000 claims description 13
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 9
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 5
- 239000012965 benzophenone Substances 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 description 23
- 244000061458 Solanum melongena Species 0.000 description 21
- 235000002597 Solanum melongena Nutrition 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 20
- 239000000654 additive Substances 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000002845 discoloration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- GUGVZCUAAGOTEU-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) 2-phenoxyacetate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)COC1=CC=CC=C1 GUGVZCUAAGOTEU-UHFFFAOYSA-N 0.000 description 3
- OKRSVCKJPLEHEY-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) acetate Chemical compound CC(=O)OC1CC(C)(C)NC(C)(C)C1 OKRSVCKJPLEHEY-UHFFFAOYSA-N 0.000 description 3
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Chemical compound CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 244000045561 useful plants Species 0.000 description 3
- SQRYDOGPOHDUKZ-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) 2-methylbenzoate Chemical compound CC1=CC=CC=C1C(=O)OC1CC(C)(C)NC(C)(C)C1 SQRYDOGPOHDUKZ-UHFFFAOYSA-N 0.000 description 2
- GGISPEWAEPDJDE-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) 2-phenylacetate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CC1=CC=CC=C1 GGISPEWAEPDJDE-UHFFFAOYSA-N 0.000 description 2
- ULIOOCSSFAQCSR-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) 3-chlorobenzoate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1=CC=CC(Cl)=C1 ULIOOCSSFAQCSR-UHFFFAOYSA-N 0.000 description 2
- XLUFLEGPJWJROM-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) 4-chlorobenzoate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1=CC=C(Cl)C=C1 XLUFLEGPJWJROM-UHFFFAOYSA-N 0.000 description 2
- YEYCMBWKTZNPDH-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) benzoate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1=CC=CC=C1 YEYCMBWKTZNPDH-UHFFFAOYSA-N 0.000 description 2
- JCAMPEQCOPAWBA-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) cyclohexanecarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1CCCCC1 JCAMPEQCOPAWBA-UHFFFAOYSA-N 0.000 description 2
- CDZOMVTUYYWCPB-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) furan-2-carboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1=CC=CO1 CDZOMVTUYYWCPB-UHFFFAOYSA-N 0.000 description 2
- YCPUINYTTZGMGT-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) naphthalene-2-carboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1=CC=C(C=CC=C2)C2=C1 YCPUINYTTZGMGT-UHFFFAOYSA-N 0.000 description 2
- JMUOXOJMXILBTE-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 JMUOXOJMXILBTE-UHFFFAOYSA-N 0.000 description 2
- BUFCQVRLKYIQJP-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) prop-2-enoate Chemical compound CC1(C)CC(OC(=O)C=C)CC(C)(C)N1 BUFCQVRLKYIQJP-UHFFFAOYSA-N 0.000 description 2
- KJFLCPFBSZCMDQ-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) pyridine-4-carboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1=CC=NC=C1 KJFLCPFBSZCMDQ-UHFFFAOYSA-N 0.000 description 2
- BFQKCAXQUKQQDX-UHFFFAOYSA-N 1,2,2,3-tetrakis(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,1,3,3-tetracarboxylic acid Chemical compound C1C(C)(C)NC(C)(C)CC1C(C(C1CC(C)(C)NC(C)(C)C1)(C(O)=O)C(O)=O)(C(C1CC(C)(C)NC(C)(C)C1)(C(O)=O)C(O)=O)C1CC(C)(C)NC(C)(C)C1 BFQKCAXQUKQQDX-UHFFFAOYSA-N 0.000 description 2
- IXNXCCLDPLCSJK-UHFFFAOYSA-N 2,4,6-tris(2,2,6,6-tetramethylpiperidin-4-yl)benzene-1,3,5-tricarboxylic acid Chemical compound C1C(C)(C)NC(C)(C)CC1C1=C(C(O)=O)C(C2CC(C)(C)NC(C)(C)C2)=C(C(O)=O)C(C2CC(C)(C)NC(C)(C)C2)=C1C(O)=O IXNXCCLDPLCSJK-UHFFFAOYSA-N 0.000 description 2
- MCUJLYOGVULAKF-UHFFFAOYSA-N C1C(C)(C)NC(C)(C)CC1C(C(C1CC(C)(C)NC(C)(C)C1)(C(O)=O)C(C1CC(C)(C)NC(C)(C)C1)(C(O)=O)C(O)=O)(C(O)=O)C1CC(C)(C)NC(C)(C)C1 Chemical compound C1C(C)(C)NC(C)(C)CC1C(C(C1CC(C)(C)NC(C)(C)C1)(C(O)=O)C(C1CC(C)(C)NC(C)(C)C1)(C(O)=O)C(O)=O)(C(O)=O)C1CC(C)(C)NC(C)(C)C1 MCUJLYOGVULAKF-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 description 2
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 2
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical compound CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 description 2
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- SNOYIYKTIUXTEF-MDZDMXLPSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) (e)-but-2-enedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)\C=C\C(=O)OC1CC(C)(C)NC(C)(C)C1 SNOYIYKTIUXTEF-MDZDMXLPSA-N 0.000 description 2
- GHJBIWHWRNKOFW-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) benzene-1,4-dicarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1=CC=C(C(=O)OC2CC(C)(C)NC(C)(C)C2)C=C1 GHJBIWHWRNKOFW-UHFFFAOYSA-N 0.000 description 2
- URRNHWCYHDBVAT-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) cyclohexane-1,4-dicarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1CCC(C(=O)OC2CC(C)(C)NC(C)(C)C2)CC1 URRNHWCYHDBVAT-UHFFFAOYSA-N 0.000 description 2
- UROGBLCMTWAODF-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) hexanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 UROGBLCMTWAODF-UHFFFAOYSA-N 0.000 description 2
- GMHDUYXGKJNFHH-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) oxalate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C(=O)OC1CC(C)(C)NC(C)(C)C1 GMHDUYXGKJNFHH-UHFFFAOYSA-N 0.000 description 2
- DGBLGWVHPYOSAI-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) propanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CC(=O)OC1CC(C)(C)NC(C)(C)C1 DGBLGWVHPYOSAI-UHFFFAOYSA-N 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000012760 heat stabilizer Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 235000011076 sorbitan monostearate Nutrition 0.000 description 2
- 239000001587 sorbitan monostearate Substances 0.000 description 2
- 229940035048 sorbitan monostearate Drugs 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- NZNAAUDJKMURFU-UHFFFAOYSA-N tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) butane-1,2,3,4-tetracarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)NC(C)(C)C1)C(C(=O)OC1CC(C)(C)NC(C)(C)C1)CC(=O)OC1CC(C)(C)NC(C)(C)C1 NZNAAUDJKMURFU-UHFFFAOYSA-N 0.000 description 2
- QKRCZHIEPDXIAB-UHFFFAOYSA-N tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) ethene-1,1,2,2-tetracarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C(C(=O)OC1CC(C)(C)NC(C)(C)C1)=C(C(=O)OC1CC(C)(C)NC(C)(C)C1)C(=O)OC1CC(C)(C)NC(C)(C)C1 QKRCZHIEPDXIAB-UHFFFAOYSA-N 0.000 description 2
- OIRRCMCATRAYJG-UHFFFAOYSA-N tris(2,2,6,6-tetramethylpiperidin-4-yl) 1H-triazine-2,4,6-tricarboxylate Chemical compound CC1(NC(CC(C1)OC(=O)N1NC(=CC(=N1)C(=O)OC1CC(NC(C1)(C)C)(C)C)C(=O)OC1CC(NC(C1)(C)C)(C)C)(C)C)C OIRRCMCATRAYJG-UHFFFAOYSA-N 0.000 description 2
- DYSUTBVWFJRUKW-UHFFFAOYSA-N tris(2,2,6,6-tetramethylpiperidin-4-yl) 2-acetyloxypropane-1,2,3-tricarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)NC(C)(C)C1)(OC(=O)C)CC(=O)OC1CC(C)(C)NC(C)(C)C1 DYSUTBVWFJRUKW-UHFFFAOYSA-N 0.000 description 2
- FDINTOZPTMFQRL-UHFFFAOYSA-N tris(2,2,6,6-tetramethylpiperidin-4-yl) butane-1,2,3-tricarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C(C)C(C(=O)OC1CC(C)(C)NC(C)(C)C1)CC(=O)OC1CC(C)(C)NC(C)(C)C1 FDINTOZPTMFQRL-UHFFFAOYSA-N 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- QDKQGIAJMOTBQB-UHFFFAOYSA-N (2-hydroxy-4-nonoxyphenyl)-phenylmethanone Chemical compound OC1=CC(OCCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QDKQGIAJMOTBQB-UHFFFAOYSA-N 0.000 description 1
- POLSVAXEEHDBMJ-UHFFFAOYSA-N (2-hydroxy-4-octadecoxyphenyl)-phenylmethanone Chemical compound OC1=CC(OCCCCCCCCCCCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 POLSVAXEEHDBMJ-UHFFFAOYSA-N 0.000 description 1
- LNNJJSNAJSNRQF-UHFFFAOYSA-N (2-hydroxy-4-pentoxyphenyl)-phenylmethanone Chemical compound OC1=CC(OCCCCC)=CC=C1C(=O)C1=CC=CC=C1 LNNJJSNAJSNRQF-UHFFFAOYSA-N 0.000 description 1
- IADJBCIKCXGXDN-UHFFFAOYSA-N (4-butoxy-2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC(OCCCC)=CC=C1C(=O)C1=CC=CC=C1 IADJBCIKCXGXDN-UHFFFAOYSA-N 0.000 description 1
- JQSSXIRDGUMPNP-UHFFFAOYSA-N (4-decoxy-2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC(OCCCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 JQSSXIRDGUMPNP-UHFFFAOYSA-N 0.000 description 1
- ARVUDIQYNJVQIW-UHFFFAOYSA-N (4-dodecoxy-2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC(OCCCCCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 ARVUDIQYNJVQIW-UHFFFAOYSA-N 0.000 description 1
- JAFUHGPESJSRJX-UHFFFAOYSA-N (4-ethoxy-2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC(OCC)=CC=C1C(=O)C1=CC=CC=C1 JAFUHGPESJSRJX-UHFFFAOYSA-N 0.000 description 1
- HRFNCVKOUIZYTL-UHFFFAOYSA-N (4-heptoxy-2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC(OCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 HRFNCVKOUIZYTL-UHFFFAOYSA-N 0.000 description 1
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 1
- RKMGAJGJIURJSJ-UHFFFAOYSA-N 2,2,6,6-Tetramethylpiperidine Substances CC1(C)CCCC(C)(C)N1 RKMGAJGJIURJSJ-UHFFFAOYSA-N 0.000 description 1
- GGSRTHRSSCWGGK-UHFFFAOYSA-L 2,2-dibutyl-5-hydroxy-1,3,2-dioxastannepane-4,7-dione Chemical compound CCCC[Sn]1(CCCC)OC(=O)CC(O)C(=O)O1 GGSRTHRSSCWGGK-UHFFFAOYSA-L 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- BXCRLBBIZJSWNS-UHFFFAOYSA-N 2-hydroxyethyl hexadecanoate Chemical compound CCCCCCCCCCCCCCCC(=O)OCCO BXCRLBBIZJSWNS-UHFFFAOYSA-N 0.000 description 1
- RFVNOJDQRGSOEL-UHFFFAOYSA-N 2-hydroxyethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCO RFVNOJDQRGSOEL-UHFFFAOYSA-N 0.000 description 1
- VVAAYFMMXYRORI-UHFFFAOYSA-N 4-butoxy-2-methylidene-4-oxobutanoic acid Chemical compound CCCCOC(=O)CC(=C)C(O)=O VVAAYFMMXYRORI-UHFFFAOYSA-N 0.000 description 1
- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 1
- XTJFFFGAUHQWII-UHFFFAOYSA-N Dibutyl adipate Chemical compound CCCCOC(=O)CCCCC(=O)OCCCC XTJFFFGAUHQWII-UHFFFAOYSA-N 0.000 description 1
- ZVFDTKUVRCTHQE-UHFFFAOYSA-N Diisodecyl phthalate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC(C)C ZVFDTKUVRCTHQE-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- HDIFHQMREAYYJW-XGXNLDPDSA-N Glyceryl Ricinoleate Chemical compound CCCCCC[C@@H](O)C\C=C/CCCCCCCC(=O)OCC(O)CO HDIFHQMREAYYJW-XGXNLDPDSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 235000010842 Sarcandra glabra Nutrition 0.000 description 1
- 240000004274 Sarcandra glabra Species 0.000 description 1
- IYFATESGLOUGBX-YVNJGZBMSA-N Sorbitan monopalmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O IYFATESGLOUGBX-YVNJGZBMSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- WOGWRXSITPCETK-UHFFFAOYSA-N [3-(2,3-dihydroxypropoxy)-2-hydroxypropyl] hexadecanoate Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(O)COCC(O)CO WOGWRXSITPCETK-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- SHLNMHIRQGRGOL-UHFFFAOYSA-N barium zinc Chemical compound [Zn].[Ba] SHLNMHIRQGRGOL-UHFFFAOYSA-N 0.000 description 1
- RAKMKCZMVZBODU-PIQLPZBWSA-L barium(2+);(z)-12-hydroxyoctadec-9-enoate Chemical compound [Ba+2].CCCCCCC(O)C\C=C/CCCCCCCC([O-])=O.CCCCCCC(O)C\C=C/CCCCCCCC([O-])=O RAKMKCZMVZBODU-PIQLPZBWSA-L 0.000 description 1
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 1
- IMIOEHJVRZOQBJ-UHFFFAOYSA-N bis(6-methylheptyl) benzene-1,3-dicarboxylate Chemical compound CC(C)CCCCCOC(=O)C1=CC=CC(C(=O)OCCCCCC(C)C)=C1 IMIOEHJVRZOQBJ-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- 239000006084 composite stabilizer Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- UCVPKAZCQPRWAY-UHFFFAOYSA-N dibenzyl benzene-1,2-dicarboxylate Chemical compound C=1C=CC=C(C(=O)OCC=2C=CC=CC=2)C=1C(=O)OCC1=CC=CC=C1 UCVPKAZCQPRWAY-UHFFFAOYSA-N 0.000 description 1
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- PUFGCEQWYLJYNJ-UHFFFAOYSA-N didodecyl benzene-1,2-dicarboxylate Chemical compound CCCCCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCCCCC PUFGCEQWYLJYNJ-UHFFFAOYSA-N 0.000 description 1
- QQVHEQUEHCEAKS-UHFFFAOYSA-N diundecyl benzene-1,2-dicarboxylate Chemical compound CCCCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCCCC QQVHEQUEHCEAKS-UHFFFAOYSA-N 0.000 description 1
- UWLPCYBIJSLGQO-UHFFFAOYSA-N dodecanoic acid;propane-1,2,3-triol Chemical compound OCC(O)CO.CCCCCCCCCCCC(O)=O UWLPCYBIJSLGQO-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 150000002531 isophthalic acids Chemical class 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 150000002688 maleic acid derivatives Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- WIBFFTLQMKKBLZ-SEYXRHQNSA-N n-butyl oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCCCC WIBFFTLQMKKBLZ-SEYXRHQNSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 150000002888 oleic acid derivatives Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- 150000008301 phosphite esters Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
- JQCXWCOOWVGKMT-UHFFFAOYSA-N phthalic acid diheptyl ester Natural products CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC JQCXWCOOWVGKMT-UHFFFAOYSA-N 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical class CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229940100515 sorbitan Drugs 0.000 description 1
- 235000011071 sorbitan monopalmitate Nutrition 0.000 description 1
- 239000001570 sorbitan monopalmitate Substances 0.000 description 1
- 229940031953 sorbitan monopalmitate Drugs 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- HBUNLJQRZABWAM-UHFFFAOYSA-N tris(2,2,6,6-tetramethylpiperidin-4-yl) 2-hydroxypropane-1,2,3-tricarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CC(O)(C(=O)OC1CC(C)(C)NC(C)(C)C1)CC(=O)OC1CC(C)(C)NC(C)(C)C1 HBUNLJQRZABWAM-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Greenhouses (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
本発明は、農業用塩化ビニル系樹脂フイルムに
関するものであり、更に詳しくは、ナスの栽培に
使用することができ、かつ、耐久性に優れた農業
用塩化ビニル系樹脂フイルムに関するものであ
る。
近年、有用植物を栽培している農家は、収益性
向上を目的として、有用植物をハウス（温室）又
はトンネル内で、促進栽培又は抑制栽培する方法
が、広く採用されるようになつた。
このハウス又はトンネルを被覆する資材として
は、ポリエチレンフイルム、エチレン―酢酸ビニ
ル共重合体フイルム、塩化ビニル系樹脂フイルム
等が使用されている。中でも、塩化ビニル系樹脂
フイルムは、他の合成樹脂フイルムに比較して、
光線透過率、保温性、機械的強度、耐久性、作業
性、経済性等を総合して、最も優れているので、
広く使用されている。
しかしながら、ハウス又はトンネルを被覆する
ために使用される合成樹脂フイルムは、塩化ビニ
ル系樹脂フイルムも含めて、被覆用として使用を
開始してから一年も経過すると、太陽光線、特に
紫外線などによる劣化や、柔軟性の低下などの経
時変化をおこす。更に、最近の省力化を指向した
農業技術は、被覆するための資材に、従来にもま
した苛酷な条件に耐える性質を、要求するように
なつてきている。
ハウス又はトンネルの被覆用として使用される
塩化ビニル系樹脂フイルムには、上記欠点を解消
するために、例えば有機錫系安定剤、金属石鹸系
安定剤、鉛系安定剤、有機バリウム系安定剤、抗
酸化剤、紫外線吸収剤等の光、熱、酸化等に対す
る抗力を向上させるための添加剤が配合される場
合が多い。しかし、少量の添加によつて、際立つ
た添加効果が認められるものは、現在のところ、
見当らない。
上記の添加剤の中には、多量添加すれば、フイ
ルムの耐候性を向上することができるものもある
が、反面、フイルム化する際の作業性、フイルム
化した後の取扱い易さ等を低下させ、フイルムの
透明性を悪くするという問題が生起する。
たとえば、金属石鹸系安定剤を多量添加する
と、フイルム化する際にプレートアウト（カレン
ダー成形法によつてフイルム化する際に、添加物
がロール表面に析出すること。）がおこり、フイ
ルム化作業能率を低下させ、フイルムの外観及び
透明性を著しく低下させる。
また、エポキシ化合物類や有機亜燐酸エステル
類も、フイルムの耐候性をある程度は向上させる
効果はあるが、これらを配合しうる量には限度が
ある。多量配合するとブリードアウト（フイルム
表面に各種添加物が吹き出すこと。）がおこり、
フイルム同志が付着し合い、付着したフイルムは
剥離しにくくなる（剥離性が悪化する）。
更に、有機燐酸エステル類も、少量添加ではフ
イルムの耐候性向上に効果があるが、例えばトリ
クレジルフオスフエートはある量以上添加する
と、逆に耐候性を低下させ、同時に耐熱性を低下
させる。
ところで、ハウス又はトンネルの被覆資材とし
て使用される塩化ビニル系樹脂フイルムの、太陽
光線などによる光劣化現象を防止する目的で、基
体の樹脂に紫外線吸収剤及び／又は酸化防止剤を
添加する技術が広く採用されている（例えば、特
公昭48−37459号、特公昭53−47383号公報等を参
照）。しかしながら、発明者らの実験によれば、
これら従来から提案されている技術では、耐候性
はやや改良されるとはいうものの、充分に満足す
べき耐候性改良効果を発揮し得ないことが判つて
いる。
さらに、紫外線吸収剤を多量配合したフイルム
による被覆下に、ナスを栽培した場合には、ナス
の果色の色付きが悪く、いわゆる「赤ナス」とな
り、商品価値の極めて低い果実となつてしまうと
いう問題があつた。
本発明者らは、かかる状況にあつて、屋外での
展張によつて引きおこされる変色や脆化などの好
ましくない劣化現象がおこりにくく、かつ、その
被覆下にナスを栽培しても、「赤ナス」の発生し
にくい農業用塩化ビニル系樹脂フイルムを提供す
ることを目的として、鋭意検討した結果、本発明
を完成するに至つたものである。
しかして本発明の要旨とするところは、塩化ビ
ニル系樹脂に、
(A) ベンゾフエノン系紫外線吸収剤並びに
(B) 一般式
〔（）式中、R1〜R4は炭素数１〜４のアルキ
ル基、ｎは１〜４の整数、Ｒは１〜４価のカル
ボン酸から誘導されるモノ〜テトラアシル基を
示す。〕で表わされるヒンダ―ドアミン系化合
物が配合され、フイルム状に成形されてなり、
かつ波長が300nmないし350nmの範囲の全光線
平均透過率が25〜60％の範囲内になるように(A)
の添加量が調節されてなることを特徴とする農
業用塩化ビニル系樹脂フイルムに存する。
以下、本発明を詳細に説明する。
本発明において塩化ビニル系樹脂とは、ポリ塩
化ビニルのほか、塩化ビニルを主成分とする共重
合体を含む意味である。塩化ビニルと共重合させ
ることができる単量体としては、塩化ビニリデ
ン、エチレン、プロピレン、アクリロニトリル、
酢酸ビニル、マレイン酸、イタコン酸、アクリル
酸、メタクリル酸等があげられるが、例示したも
のに限られるものではない。
塩化ビニル系樹脂は、懸濁重合法、乳化重合
法、乳化―懸濁重合法、溶液重合法、塊状重合法
等の従来から知られている製造法のいずれによつ
て製造してもよい。
本発明に係るフイルムは、上記塩化ビニル系樹
脂に、(A)成分としてのベンゾフエノン系紫外線吸
収剤が配合されている。
使用しうる紫外線吸収剤としては、例えば次の
ようなものがあげられる。
ベンゾフエノン系紫外線吸収剤……一般式
〔（）式中、R5は炭素数１〜18のアルキル基を
示す。〕で表わされる化合物がよい。具体的には、
２―ヒドロキシ―４―メトキシベンゾフエノン、
２―ヒドロキシ―４―エトキシベンゾフエノン、
２―ヒドロキシ―４―ブトキシベンゾフエノン、
２―ヒドロキシ―４―ペントキシベンゾフエノ
ン、２―ヒドロキシ―４―ヘプトキシベンゾフエ
ノン、２―ヒドロキシ―４―オクトキシベンゾフ
エノン、２―ヒドロキシ―４―ノナノキシベンゾ
フエノン、２−ヒドロキシ−４−デカノキシベン
ゾフエノン、２―ヒドロキシ―４―ドデカノキシ
ベンゾフエノン、２―ヒドロキシ―４―ステアリ
ロキシベンゾフエノン等があげられる。化合物の
例示は、本発明を限定するものではない。
上記（）式で表わされる紫外線吸収剤は、一
種配合してもよく、二種以上を組み合わせて配合
してもよい。
上記（）式で表わされる紫外線吸収剤のフイ
ルムへの配合量は、フイルムの波長300nm〜
350nmの範囲の全光線平均透過率が25〜60％の範
囲内に入るように選ぶことができ、フイルムの厚
さ、紫外線吸収剤の種類により、変えることがで
きる。
本発明に係るフイルムは、塩化ビニル系樹脂
に、(B)成分として、一般式（）式で表わされる
ヒンダ―ドアミン系化合物が配合されている。
一般式（）式で表わされるヒンダ―ドアミン
系化合物としては、例えば次のようなものがあげ
られる。
(1) ４―アセトキシ―２，２，６，６―テトラメ
チルピペリジン
(2) ４―ステアロイルオキシ―２，２，６，６―
テトラメチルピペリジン
(3) ４―アクリロイルオキシ―２，２，６，６―
テトラメチルピペリジン
(4) ４―（フエニルアセトキシ）―２，２，６，
６―テトラメチルピペリジン
(5) ４―（フエノキシアセトキシ）―２，２，
６，６―テトラメチルピペリジン
(6) ４―シクロヘキサノイルオキシ―２，２，
６，６―テトラメチルピペリジン
(7) ４―ベンゾイルオキシ―２，２，６，６―テ
トラメチルピペリジン
(8) ４―（Ｏ―クロロベンゾイルオキシ）―２，
２，６，６―テトラメチルピペリジン
(9) ４―（ｍ―クロロベンゾイルオキシ）―２，
２，６，６―テトラメチルピペリジン
(10) ４―（ｐ―クロロベンゾイルオキシ）―２，
２，６，６―テトラメチルピペリジン
(11) ４―（Ｏ―トルオイルオキシ）―２，２，
６，６―テトラメチルピペリジン
(12) ４―イソニコチノイルオキシ―２，２，６，
６―テトラメチルピペリジン
(13) ４―（２―フロイルオキシ）―２，２，
６，６―テトラメチルピペリジン
(14) ４―（β―ナフトイルオキシ）―２，２，
６，６―テトラメチルピペリジン
(15) ビス（２，２，６，６―テトラメチル―４
―ピペリジル）オキザレート
(16) ビス（２，２，６，６―テトラメチル―４
―ピペリジル）マロネート
(17) ビス（２，２，６，６―テトラメチル―４
―ピペリジル）アジペート
(18) ビス（２，２，６，６―テトラメチル―４
―ピペリジル）セバゲート
(19) ビス（２，２，６，６―テトラメチル―４
―ピペリジル）フマレート
(20) ビス（２，２，６，６―テトラメチル―４
―ピペリジル）ヘキサヒドロテレフタレート
(21) ビス（２，２，６，６―テトラメチル―４
―ピペリジル）テレフタレート
(22) トリス（２，２，６，６―テトラメチル―
４―ピペリジル）ベンゼン―１，３，５―トリ
カルボキシレート
(23) トリス（２，２，６，６―テトラメチル―
４―ピペリジル）トリアジン―２，４，６―ト
リカルボキシレート
(24) トリス（２，２，６，６―テトラメチル―
４―ピペリジル）ニトロトリアセテート
(25) トリス（２，２，６，６―テトラメチル―
４―ピペリジル）ブタン―１，２，３―トリカ
ルボキシレート
(26) テトラキス（２，２，６，６―テトラメチ
ル―４―ピペリジル）プロパン―１，１，２，
３―テトラカルボキシレート
(27) テトラキス（２，２，６，６―テトラメチ
ル―４―ピペリジル）ブタン―１，２，３，４
―テトラカルボキシレート
(28) テトラキス（２，２，６，６―テトラメチ
ル―４―ピペリジル）プロパン―１，１，３，
３―テトラカルボキシレート
(29) テトラキス（２，２，６，６―テトラメチ
ル―４―ピペリジル）エテン―１，１，２，２
―テトラカルボキシレート
(30) トリス（２，２，６，６―テトラメチル―
４―ピペリジル）―２―アセトキシプロパン―
１，２，３―トリカルボキシレート
(31) トリス（２，２，６，６―テトラメチル―
４―ピペリジル）―２―ヒドロキシプロパン―
１，２，３―トリカルボキシレート
上記(B)成分であるヒンダードアミン系化合物
の、塩化ビニル系樹脂フイルムへの配合量は、余
り少ないとフイルムの耐候性が充分に優れたもの
とならないので好ましくなく、余り多くしてもフ
イルムの耐候性は添加量に比例して向上すること
がなく、フイルム表面からの噴き出しの問題がお
こる。好ましい配合量は、塩化ビニル系樹脂100
重量部に対して0.05〜1.0重量部の範囲である。
本発明に係るフイルムは、以上のとおり、基体
となる塩化ビニル系樹脂に、(A)成分としての紫外
線吸収剤と、(B)成分としてのヒンダードアミン系
化合物が配合添加されたものであるが、フイルム
化前に、必要に応じ、他の樹脂添加物、例えば可
塑剤、滑剤、熱安定剤、酸化防止剤、防曇剤、顔
料、染料等を配合することができる。
使用しうる可塑剤としては、例えばジ―ｎ―オ
クチルフタレート、ジ―２―エチルヘキシルフタ
レート、ジベンジルフタレート、ジイソデシルフ
タレート、ジドデシルフタレート、ジウンデシル
フタレート等のフタル酸誘導体；ジイソオクチル
イソフタレート等のイソフタル酸誘導体；ジ―ｎ
―ブチルアジペート、ジオクチルアジペート等の
アジピン酸誘導体；ジ―ｎ―ブチルマレート等の
マレイン酸誘導体；トリ―ｎ―ブチルシトレート
等のクエン酸誘導体；モノブチルイタコネート等
のイタコン酸誘導体；ブチルオレート等のオレイ
ン酸誘導体；グリセリルモノリシノレート等のリ
シノール酸誘導体；その他トリクレジルホスフエ
ート、エポキシ化大豆油、エポキシ樹脂系可塑剤
等があげられる。
使用しうる滑剤ないし熱安定剤としては、例え
ばポリエチレンワツクス、流動パラフイン、ステ
アリン酸、ステアリン酸亜鉛、脂肪アルコール、
ステアリン酸カルシユウム、ステアリン酸バリウ
ム、リシノール酸バリウム、ジブチルスズジラウ
レート、ジブチルスズマレート等があげられる。
使用しうる帯電防止剤ないし防曇剤としては、
主として非イオン系界面活性剤がよく、例えばソ
ルビタンモノステアレート、ソルビタンモノパル
ミテート、ソルビタンモノベンゾエートなどのソ
ルビタン系界面活性剤；グリセリンモノラウレー
ト、ジグリセリンモノパルミテート、グリセリン
モノステアレートなどのグリセリン系界面活性
剤；ポリエチレングリコールモノステアレート、
ポリエチレングリコールモノパルミテートなどの
ポリエチレングリコール系界面活性剤；アルキル
フエノールのアルキレンオキシド付加物；ソルビ
タン／グリセリンの縮合物と有機酸とのエステ
ル、等があげられる。これら界面活性剤は、単独
で、又は二種以上を組み合せて用いることができ
る。
これら各種の樹脂添加物は通常の配合量、例え
ば可塑剤は、塩化ビニル系樹脂100重量部に対し
て最高70重量部まで、軟質配合の場合は30〜70重
量部の範囲で、可塑剤を除く添加物は５重量部以
下の範囲で、それぞれ選ぶことができる。
基体となる塩化ビニル系樹脂に、(A)成分及び(B)
成分、更に要すればその他の樹脂添加物を配合す
るには、通常の配合、混合技術、例えばリボンブ
レンダー、バンバリーミキサー、スーパーミキサ
ーその他の配合機、混合機を使用する方法を採る
ことができる。
本発明に係るフイルムを製造するには、基体と
なる塩化ビニル系樹脂に、(A)成分及び(B)成分、更
に要すれば各種樹脂添加物を配合混合した組成物
を、それ自体公知のフイルム化技術によつてフイ
ルム化する。公知のフイルム化技術としては、カ
レンダー成形法、Ｔ―ダイ押出法、インフレーシ
ヨン成形法、溶液流延法などがある。フイルム
は、透明フイルム、梨地フイルム、半梨地フイル
ム等いずれであつてもよい。
本発明に係るフイルムの厚さは、余り薄いと強
度が不充分となるので好ましくなく、逆に余り厚
すぎるとフイルム化作業、その後の取り扱い（フ
イルムを切つてハウス型に接合する作業、ハウス
骨組に展張する作業等を含む）等に不便をきたす
ので、0.05〜0.3mmの範囲、特に好ましくは0.075
〜0.2mmの範囲とするのがよい。
本発明に係るフイルムは、波長が300nmないし
350nmの範囲の全光線平均透過率を、25〜60％の
範囲になるように(A)成分の添加量を調節する。
「全光線透過率」とは、積分球式光線透過率測定
装置（JIS K6714に準拠したもの）によつて測定
した値をいい、「全光線平均透過率」とは、波長
300nmないし波長350nmの範囲の全光線透過率を
平均した値をいう。
フイルムの、波長が300nmないし350nmの範囲
における全光線平均透過率が25％より少ないと、
このフイルムによる被覆下にナスを栽培したとき
に果実の色付きが悪く、他方60％より多いと、ナ
スの色付きは正常となるが、フイルムの耐候性が
劣つたものとなり、好ましくない。波長が300nm
以下における全光線透過率は特に制限はないが、
25％以下が好ましく、波長が350nm以上における
全光線透過率は特に制限はないが、50％以上ある
フイルムが好ましい。
以上のべたとおり、本発明に係るフイルムは、
従来ハウス又はトンネルの被覆資材として使用さ
れていると同様の態様で、ハウス又はトンネル等
を被覆して、有用植物、特にナスの栽培に利用す
ることができる。
本発明に係る農業用塩化ビニル系樹脂フイルム
は、次のような効果を奏し、その農業上の利用価
値は極めて大である。
(1) 本発明に係る農業用塩化ビニル系樹脂フイル
ムは、屋外で長期間使用しても、外観に変化が
なく、フイルムの強度の低下も少なく、耐候性
に優れている。
(2) 本発明に係る農業用塩化ビニル系樹脂フイル
ムによる被覆下にナスを栽培するときは、ナス
の生育が促進されるだけでなく、果実への色付
きは正常となり、「赤ナス」は生成しにくい。
以下、本発明を実施例にもとづいて詳細に説明
するが、本発明はその要旨を超えない限り、以下
の例に限定されるものではない。
実施例１〜５、比較例１〜９
ポリ塩化ビニル（＝1400） 100重量部
ジオクチルフタレート 45 〃
エポキシ樹脂（商品名「EP―828」） １ 〃
バリウム―亜鉛系複合安定剤 1.5 〃
ステアリン酸バリウム 0.2 〃
ステアリン酸亜鉛 0.4 〃
ソルビタンモノステアレート 1.5 〃
を基本組成とし、これに第１表に示す(A)成分及び
(B)成分を、第１表に示す配合割合で配合した（た
だし、比較例９においては、添加しなかつた）。
各配合物を、スーパーミキサーで10分間撹拌混
合した後、165℃に加温したロール上で混練し、
Ｌ型カレンダー装置によつて、厚さ0.1mmのフイ
ルムを製造した。
各フイルムについて、次のような評価試験を行
ない、その結果を第１表に示す。
(1) 300nm〜350nmの全光線平均透過率
積分球式光線透過率測定装置（日本精密光学
(株)製、型式 SEP―Ｔ）で測定し、平均値を算
出して示した。
第１図に、実施例及び比較例に係るフイルム
の波長別全光線透過曲線を示した。
図において、Ａ２は実施例２のフイルム、Ａ
３は実施例３のフイルム、Ａ５は実施例５のフ
イルム、Ｂ―１は比較例１のフイルム、Ｂ３は
比較例３のフイルム、Ｂ８は比較例８のフイル
ム、Ｂ９は比較例９のフイルムそれぞれの波長
別全光線透過曲線である。
(2) 耐候性の評価
南側に面し、平面に対して45度傾斜させて設
置した窓枠状の曝露試験台に（設置場所：愛知
県名古屋市）、多数のフイルムを曝露し、定期
的に一部のフイルムを曝露試験台から取りはず
し、外観及び伸び残率を評価したもの。「耐候
性の評価」基準は、次のとおりとした。
〇…外観に変化がなく、伸び残率が80％以上あ
るもの。
〇×…外観に変化がなく、伸び残率が80〜60％
の範囲にあるもの
△…変色等の外観変化が一部認められ、伸び残
率が80〜60％の範囲にあるもの。
△×…変色等の外観変化が一部認められ、伸び
残率が60〜40％の範囲にあるもの。
×…全面にわたつて変色が認められ、伸び残率
が40％以下のもの。
なお、残率は次式より算出した。
伸び残率（％）＝屋外展張後の伸度／屋外展張前の
伸度×100
(3) ナスの栽培試験
三重県一志郡の圃場に、間口3.6ｍ、奥行９
ｍ、棟高2.5ｍのパイプハウスを17棟構築し、
各棟を上記フイルムの１種で被覆した。パイプ
ハウス内空気は、換気扇により強制換気可能な
構造とした。
ナス（品種：千両２号）を、別途準備した育
苗用温室に、昭和55年12月１日播種した。育苗
用温室で育てた苗を、昭和56年３月８日、上記
パイプハウスに定植した。
定植後は、各棟ともほぼ同じ条件下に、栽培
した。
収穫期に、各棟内より、大きさのほぼそろつ
た果実を各々10個採取した（昭和56年４月24
日）。採取したナス果実について、果色を肉眼
で観察し、「ナスの果色評価」として示した。
その評価基準は、次のとおりとした。
◎…正常な果色の果実
〇…正常な果色の果実と比較するとわずかに赤
味をおびた部分があるもの。
△…正常な果色の果実に比較すると、やや赤味
をおびているもの。
△×…正常な果色の果実に比較すると、明らか
に果色の差が認められるもの。
×…果色が劣り、商品価値のないもの。
肉眼判定に供した果実につき、果皮への色素生
成量を、次のようにして調査した。すなわち、各
果実の最大外径部分に120度間隔で３個所あて、
コルクボールによつて穴をあけて、厚さ１mm、直
径８mmの果皮を採取した。この果皮を１％塩酸エ
タノール液５mlで色素を抽出し、抽出液につい
て、波長525nmでの吸光度を求め、比較例９の吸
光度を100とし、これに対する比として示した。
The present invention relates to an agricultural vinyl chloride resin film, and more particularly to an agricultural vinyl chloride resin film that can be used for cultivating eggplants and has excellent durability. In recent years, farmers cultivating useful plants have widely adopted methods of promoting or suppressing cultivation of useful plants in greenhouses or tunnels for the purpose of improving profitability. As materials for covering the house or tunnel, polyethylene film, ethylene-vinyl acetate copolymer film, vinyl chloride resin film, etc. are used. Among them, vinyl chloride resin film has the following characteristics compared to other synthetic resin films:
It has the best overall light transmittance, heat retention, mechanical strength, durability, workability, economic efficiency, etc.
Widely used. However, synthetic resin films used to cover greenhouses or tunnels, including vinyl chloride resin films, deteriorate due to sunlight, especially ultraviolet rays, after one year of use. This causes changes over time, such as a decrease in flexibility. Furthermore, recent labor-saving agricultural techniques require coating materials to withstand even more severe conditions than before. In order to eliminate the above-mentioned drawbacks, the vinyl chloride resin film used for coating houses or tunnels contains, for example, organic tin stabilizers, metal soap stabilizers, lead stabilizers, organic barium stabilizers, etc. Additives such as antioxidants and ultraviolet absorbers are often added to improve resistance to light, heat, oxidation, etc. However, at present, there are no additives that have a noticeable effect when added in small amounts.
I can't find it. Some of the above additives can improve the weather resistance of the film if added in large amounts, but on the other hand, they reduce workability during film formation and ease of handling after film formation. This causes a problem in that the transparency of the film deteriorates. For example, if a large amount of metal soap stabilizer is added, plate-out (additives precipitate on the roll surface when forming into a film by calendar forming) may occur during film forming, resulting in reduced film forming work efficiency. This significantly reduces the appearance and transparency of the film. Epoxy compounds and organic phosphite esters also have the effect of improving the weather resistance of the film to some extent, but there is a limit to the amount that they can be blended. If large amounts are added, bleed-out (various additives blowing out on the film surface) may occur.
The films adhere to each other, and the adhered films become difficult to peel off (separability deteriorates). Furthermore, organic phosphoric acid esters are also effective in improving the weather resistance of films when added in small amounts, but for example, when added in excess of a certain amount, tricresyl phosphate reduces weather resistance and at the same time reduces heat resistance. . By the way, in order to prevent photodeterioration of vinyl chloride resin films used as coating materials for greenhouses or tunnels due to sunlight, etc., there is a technology to add ultraviolet absorbers and/or antioxidants to the base resin. It has been widely adopted (for example, see Japanese Patent Publication No. 48-37459, Japanese Patent Publication No. 47383-1983, etc.). However, according to the inventors' experiments,
Although these conventionally proposed techniques improve weather resistance to some extent, it has been found that they cannot exhibit a sufficiently satisfactory effect of improving weather resistance. Furthermore, if eggplants are grown under a film that contains a large amount of ultraviolet absorber, the color of the eggplants will be poor and the fruit will become so-called ``red eggplant,'' which has extremely low commercial value. There was a problem. The present inventors have found that under such circumstances, undesirable deterioration phenomena such as discoloration and embrittlement caused by spreading outdoors are unlikely to occur, and even if eggplants are grown under the covering, " With the aim of providing an agricultural vinyl chloride resin film that is less susceptible to the formation of "red eggplant," the present invention has been completed as a result of intensive studies. However, the gist of the present invention is to add (A) a benzophenone ultraviolet absorber and (B) a polyvinyl chloride resin to a vinyl chloride resin. [In the formula (), R 1 to R 4 are alkyl groups having 1 to 4 carbon atoms, n is an integer of 1 to 4, and R is a mono- to tetraacyl group derived from a mono- to tetravalent carboxylic acid. ] A hindered amine compound represented by is blended and formed into a film.
And the average transmittance of all light rays in the wavelength range of 300nm to 350nm is within the range of 25 to 60% (A)
A vinyl chloride resin film for agricultural use is characterized in that the amount of the added amount is adjusted. The present invention will be explained in detail below. In the present invention, the vinyl chloride resin includes not only polyvinyl chloride but also copolymers containing vinyl chloride as a main component. Monomers that can be copolymerized with vinyl chloride include vinylidene chloride, ethylene, propylene, acrylonitrile,
Examples include vinyl acetate, maleic acid, itaconic acid, acrylic acid, methacrylic acid, but are not limited to the examples. The vinyl chloride resin may be produced by any of the conventionally known production methods such as suspension polymerization, emulsion polymerization, emulsion-suspension polymerization, solution polymerization, and bulk polymerization. In the film according to the present invention, a benzophenone ultraviolet absorber as the component (A) is blended with the vinyl chloride resin. Examples of usable ultraviolet absorbers include the following: Benzophenone ultraviolet absorber...General formula [In the formula (), R 5 represents an alkyl group having 1 to 18 carbon atoms. ] is preferable. in particular,
2-hydroxy-4-methoxybenzophenone,
2-hydroxy-4-ethoxybenzophenone,
2-hydroxy-4-butoxybenzophenone,
2-hydroxy-4-pentoxybenzophenone, 2-hydroxy-4-heptoxybenzophenone, 2-hydroxy-4-octoxybenzophenone, 2-hydroxy-4-nonanoxybenzophenone, 2- Examples include hydroxy-4-decanoxybenzophenone, 2-hydroxy-4-dodecanoxybenzophenone, and 2-hydroxy-4-stearyloxybenzophenone. The exemplification of compounds is not intended to limit the invention. The ultraviolet absorbers represented by the above formula () may be blended singly or in combination of two or more. The amount of the ultraviolet absorber expressed by the above formula () in the film is from 300 nm to 300 nm.
The total light average transmittance in the 350 nm range can be selected to be within the range of 25 to 60%, and can be changed depending on the thickness of the film and the type of ultraviolet absorber. In the film according to the present invention, a hindered amine compound represented by the general formula (2) is blended with a vinyl chloride resin as the component (B). Examples of hindered amine compounds represented by the general formula () include the following. (1) 4-acetoxy-2,2,6,6-tetramethylpiperidine (2) 4-stearoyloxy-2,2,6,6-
Tetramethylpiperidine (3) 4-acryloyloxy-2,2,6,6-
Tetramethylpiperidine (4) 4-(phenylacetoxy)-2,2,6,
6-tetramethylpiperidine (5) 4-(phenoxyacetoxy)-2,2,
6,6-tetramethylpiperidine (6) 4-cyclohexanoyloxy-2,2,
6,6-tetramethylpiperidine (7) 4-benzoyloxy-2,2,6,6-tetramethylpiperidine (8) 4-(O-chlorobenzoyloxy)-2,
2,6,6-tetramethylpiperidine (9) 4-(m-chlorobenzoyloxy)-2,
2,6,6-tetramethylpiperidine (10) 4-(p-chlorobenzoyloxy)-2,
2,6,6-tetramethylpiperidine (11) 4-(O-toluoyloxy)-2,2,
6,6-tetramethylpiperidine (12) 4-isonicotinoyloxy-2,2,6,
6-tetramethylpiperidine (13) 4-(2-furoyloxy)-2,2,
6,6-tetramethylpiperidine (14) 4-(β-naphthoyloxy)-2,2,
6,6-tetramethylpiperidine (15) Bis(2,2,6,6-tetramethyl-4
-piperidyl) oxalate (16) Bis(2,2,6,6-tetramethyl-4
-piperidyl) malonate (17) Bis(2,2,6,6-tetramethyl-4
-piperidyl)adipate (18) Bis(2,2,6,6-tetramethyl-4
-Piperidyl) Sebagate (19) Bis(2,2,6,6-tetramethyl-4
-piperidyl) fumarate (20) Bis(2,2,6,6-tetramethyl-4
-piperidyl)hexahydroterephthalate (21) Bis(2,2,6,6-tetramethyl-4
-piperidyl) terephthalate (22) Tris (2,2,6,6-tetramethyl-
4-piperidyl)benzene-1,3,5-tricarboxylate (23) Tris(2,2,6,6-tetramethyl-
4-piperidyl)triazine-2,4,6-tricarboxylate (24) Tris (2,2,6,6-tetramethyl-
4-piperidyl) nitrotriacetate (25) Tris (2,2,6,6-tetramethyl-
4-piperidyl)butane-1,2,3-tricarboxylate (26) Tetrakis(2,2,6,6-tetramethyl-4-piperidyl)propane-1,1,2,
3-tetracarboxylate (27) Tetrakis(2,2,6,6-tetramethyl-4-piperidyl)butane-1,2,3,4
-Tetracarboxylate (28) Tetrakis(2,2,6,6-tetramethyl-4-piperidyl)propane-1,1,3,
3-tetracarboxylate (29) Tetrakis(2,2,6,6-tetramethyl-4-piperidyl)ethene-1,1,2,2
-Tetracarboxylate (30) Tris (2,2,6,6-tetramethyl-
4-Piperidyl)-2-acetoxypropane-
1,2,3-tricarboxylate (31) Tris(2,2,6,6-tetramethyl-
4-Piperidyl)-2-hydroxypropane-
1,2,3-tricarboxylate The amount of the hindered amine compound, component (B) above, added to the vinyl chloride resin film is undesirable because if it is too small, the weather resistance of the film will not be sufficiently excellent. The properties do not improve in proportion to the amount added, and the problem of spraying out from the film surface occurs. The preferred blending amount is vinyl chloride resin 100%
It ranges from 0.05 to 1.0 parts by weight. As described above, the film according to the present invention is a film in which an ultraviolet absorber as a component (A) and a hindered amine compound as a component (B) are added to a vinyl chloride resin as a base. Before film formation, other resin additives such as plasticizers, lubricants, heat stabilizers, antioxidants, antifogging agents, pigments, dyes, etc. can be added as necessary. Examples of plasticizers that can be used include phthalic acid derivatives such as di-n-octyl phthalate, di-2-ethylhexyl phthalate, dibenzyl phthalate, diisodecyl phthalate, didodecyl phthalate, and diundecyl phthalate; and diisooctyl isophthalate. Isophthalic acid derivative; G-n
- Adipic acid derivatives such as butyl adipate and dioctyl adipate; maleic acid derivatives such as di-n-butyl maleate; citric acid derivatives such as tri-n-butyl citrate; itaconic acid derivatives such as monobutyl itaconate; butyl oleate, etc. Oleic acid derivatives; ricinoleic acid derivatives such as glyceryl monoricinolate; and others such as tricresyl phosphate, epoxidized soybean oil, and epoxy resin plasticizers. Examples of lubricants or heat stabilizers that can be used include polyethylene wax, liquid paraffin, stearic acid, zinc stearate, fatty alcohols,
Examples include calcium stearate, barium stearate, barium ricinoleate, dibutyltin dilaurate, and dibutyltin malate. Antistatic agents or antifogging agents that can be used include:
Nonionic surfactants are mainly preferred, such as sorbitan surfactants such as sorbitan monostearate, sorbitan monopalmitate, and sorbitan monobenzoate; glycerin surfactants such as glycerin monolaurate, diglycerin monopalmitate, and glycerin monostearate. System surfactant; polyethylene glycol monostearate,
Examples include polyethylene glycol surfactants such as polyethylene glycol monopalmitate; alkylene oxide adducts of alkylphenols; esters of sorbitan/glycerin condensates and organic acids, and the like. These surfactants can be used alone or in combination of two or more. These various resin additives are added in the usual amounts, for example, plasticizers are added in amounts up to 70 parts by weight per 100 parts by weight of vinyl chloride resin, and in the range of 30 to 70 parts by weight for soft formulations. The additives to be excluded can be selected within a range of 5 parts by weight or less. Component (A) and (B) are added to the base vinyl chloride resin.
In order to blend the components and, if necessary, other resin additives, conventional blending and mixing techniques may be used, such as using a ribbon blender, Banbury mixer, supermixer, or other blender or mixer. In order to produce the film according to the present invention, a composition obtained by blending and mixing components (A) and (B) with a vinyl chloride resin as a base, and various resin additives if necessary, is prepared using a method known per se. Create a film using film technology. Known film forming techniques include calendar molding, T-die extrusion, inflation molding, and solution casting. The film may be a transparent film, a matte film, a semi-matte film, or the like. If the thickness of the film according to the present invention is too thin, the strength will be insufficient, so it is undesirable. On the other hand, if it is too thick, it will be difficult to make the film into a film, and the subsequent handling (cutting the film and joining it into a house shape, etc.) The range of 0.05 to 0.3 mm is particularly preferable, and 0.075 mm is particularly preferable.
The range is preferably ~0.2mm. The film according to the present invention has a wavelength of 300 nm or more.
The amount of component (A) added is adjusted so that the average total light transmittance in the range of 350 nm is in the range of 25 to 60%.
"Total light transmittance" refers to the value measured by an integrating sphere type light transmittance measuring device (compliant with JIS K6714), and "total light transmittance" refers to the value measured by an integrating sphere light transmittance measurement device (compliant with JIS K6714).
It refers to the average value of total light transmittance in the wavelength range of 300 nm to 350 nm. If the average total light transmittance of the film in the wavelength range of 300nm to 350nm is less than 25%,
When eggplants are grown under this film, the color of the fruit is poor, and if the amount is more than 60%, the coloration of the eggplant will be normal, but the weather resistance of the film will be poor, which is not preferable. Wavelength is 300nm
There are no particular restrictions on the total light transmittance below, but
The total light transmittance at a wavelength of 350 nm or more is preferably 25% or less, and is not particularly limited, but a film with a total light transmittance of 50% or more is preferable. As mentioned above, the film according to the present invention is
It can be used for cultivating useful plants, especially eggplants, by coating greenhouses, tunnels, etc. in the same manner as has been conventionally used as a coating material for greenhouses or tunnels. The agricultural vinyl chloride resin film according to the present invention exhibits the following effects and has extremely great agricultural utility value. (1) The agricultural vinyl chloride resin film according to the present invention does not change in appearance even when used outdoors for a long period of time, shows little decrease in film strength, and has excellent weather resistance. (2) When cultivating eggplants under the coating of the agricultural vinyl chloride resin film according to the present invention, not only the growth of the eggplants is promoted, but the coloration of the fruits becomes normal, and "red eggplants" are not produced. It's hard to do. Hereinafter, the present invention will be explained in detail based on examples, but the present invention is not limited to the following examples unless it exceeds the gist thereof. Examples 1 to 5, Comparative Examples 1 to 9 Polyvinyl chloride (=1400) 100 parts by weight Dioctyl phthalate 45 Epoxy resin (product name "EP-828") 1 Barium-zinc composite stabilizer 1.5 Barium stearate The basic composition is 0.2 〃 Zinc stearate 0.4 〃 Sorbitan monostearate 1.5 〃 〃 Component (A) shown in Table 1 and
Component (B) was blended in the proportions shown in Table 1 (however, it was not added in Comparative Example 9). After stirring and mixing each formulation for 10 minutes with a super mixer, they were kneaded on a roll heated to 165°C.
A film with a thickness of 0.1 mm was produced using an L-type calender. The following evaluation tests were conducted on each film, and the results are shown in Table 1. (1) Total light average transmittance from 300nm to 350nm Integrating sphere type light transmittance measuring device (Nippon Seimitsu Optical Co., Ltd.)
Co., Ltd., model SEP-T), and the average value is calculated and shown. FIG. 1 shows total light transmission curves by wavelength for the films of Examples and Comparative Examples. In the figure, A2 is the film of Example 2;
3 is the film of Example 3, A5 is the film of Example 5, B-1 is the film of Comparative Example 1, B3 is the film of Comparative Example 3, B8 is the film of Comparative Example 8, and B9 is the film of Comparative Example 9. This is the total light transmission curve by wavelength. (2) Evaluation of weather resistance A large number of films were exposed on a window frame-shaped exposure test stand facing south and tilted at 45 degrees to the plane (location: Nagoya City, Aichi Prefecture), and periodically tested. A portion of the film was removed from the exposure test stand and evaluated for appearance and residual elongation. The "weather resistance evaluation" criteria were as follows. 〇…There is no change in appearance and the remaining elongation rate is 80% or more. 〇×…No change in appearance, remaining elongation rate is 80-60%
Items within the range △...Appearance changes such as discoloration are partially observed, and the remaining elongation rate is within the range of 80 to 60%. △×: Appearance changes such as discoloration are partially observed, and the remaining elongation rate is in the range of 60 to 40%. ×: Discoloration is observed over the entire surface, and the remaining elongation rate is 40% or less. Note that the residual rate was calculated using the following formula. Remaining elongation rate (%) = Elongation after outdoor expansion / Elongation before outdoor expansion × 100 (3) Eggplant cultivation test In a field in Ichishi District, Mie Prefecture, a field with a width of 3.6 m and a depth of 9
17 pipe houses with a height of 2.5 m were constructed.
Each ridge was covered with one of the above films. The air inside the pipe house was designed to be forcedly ventilated using a ventilation fan. Eggplants (variety: Senryo No. 2) were sown on December 1, 1980 in a separately prepared greenhouse for raising seedlings. The seedlings grown in the seedling greenhouse were planted in the pipe house mentioned above on March 8, 1981. After planting, each plot was cultivated under almost the same conditions. During the harvest season, 10 fruits of approximately the same size were collected from each building (April 24, 1982).
Day). The fruit color of the collected eggplant fruits was observed with the naked eye and indicated as "eggplant fruit color evaluation."
The evaluation criteria were as follows. ◎...Fruit with normal fruit color 〇...Fruit with a slightly reddish color compared to fruit with normal fruit color. △…Compared to normal fruit color, the fruit has a slightly reddish tinge. △×: There is a clear difference in fruit color when compared to fruit with normal fruit color. ×...Fruit color is poor and has no commercial value. The amount of pigment produced in the pericarp of the fruits subjected to visual judgment was investigated as follows. In other words, apply it to the maximum outer diameter part of each fruit in 3 places at 120 degree intervals,
A hole was made with a cork ball to collect a pericarp with a thickness of 1 mm and a diameter of 8 mm. The pigment was extracted from this pericarp with 5 ml of 1% hydrochloric acid in ethanol, and the absorbance of the extract at a wavelength of 525 nm was determined, and the absorbance of Comparative Example 9 was set as 100, and the absorbance was expressed as a ratio to this.
【表】【table】
【表】
第１表より、次のことが明らかとなる。
(1) 本発明に係る農業用塩化ビニル系樹脂フイル
ムは、屋外で長期間使用しても、外観に変化が
なく、フイルムの伸度の低下度合いも少なく、
耐候性に優れている。
(2) 本発明に係る農業用塩化ビニル系樹脂フイル
ムによる被覆下にナスを栽培するときは、ナス
果実への色付きがよい。
(3) フイルムに配合する紫外線吸収剤として前記
（）式又は（）式で表わされる化合物を使
用したフイルムの方が、これ以外の紫外線吸収
剤を用いたフイルムに較べて（比較例４、比較
例５）、耐候性は優れたものとなる。
(4) (A)成分及び(B)成分を適量併用したフイルム
は、優れた耐候性を示すが、適量から外れた範
囲の使用（比較例６）、単独使用（比較例８）
では、優れた耐候性を示さない。
(5) 波長300nmないし350nmの範囲での全光線平
均透過率が25〜60％の範囲内にあるフイルム
は、ナスを栽培した場合にナス果実の色付きが
ほぼ正常であるが、この範囲から外れた光線透
過率を示すフイルム、特に25％より低い透過率
を示すフイルム（比較例３、比較例５及び比較
例８）は、ナス果実への色付きがよくない。[Table] From Table 1, the following becomes clear. (1) The agricultural vinyl chloride resin film according to the present invention does not change in appearance even when used outdoors for a long period of time, and the degree of decrease in film elongation is small;
Excellent weather resistance. (2) When eggplants are grown under the coating of the agricultural vinyl chloride resin film according to the present invention, the eggplant fruits are well colored. (3) Films using compounds represented by formula () or () above as UV absorbers blended into the film are better than films using other UV absorbers (Comparative Example 4, Comparative Example 4). Example 5), the weather resistance is excellent. (4) Films containing appropriate amounts of components (A) and (B) in combination exhibit excellent weather resistance, but they are used in amounts outside of the appropriate amounts (Comparative Example 6) and used alone (Comparative Example 8).
However, it does not exhibit excellent weather resistance. (5) Films with average total light transmittance in the wavelength range of 300 nm to 350 nm are in the range of 25 to 60%, and when eggplants are cultivated, the coloration of eggplant fruits is almost normal, but if the color is outside this range. Films exhibiting a light transmittance of 25% or lower, particularly films exhibiting a transmittance lower than 25% (Comparative Example 3, Comparative Example 5, and Comparative Example 8), do not impart good color to eggplant fruits.
第１図は、実施例及び比較例に係るフイルムの
波長別全光線透過率曲線を示した。
図において、Ａ２は実施例２のフイルム、Ａ３
は実施例３のフイルム、Ａ５は実施例５のフイル
ム、Ｂ１は比較例１のフイルム、Ｂ３は比較例３
のフイルム、Ｂ８は比較例８のフイルム、Ｂ９は
比較例９のフイルムそれぞれの波長別全光線透過
曲線である。
FIG. 1 shows wavelength-specific total light transmittance curves of films according to Examples and Comparative Examples. In the figure, A2 is the film of Example 2, A3
is the film of Example 3, A5 is the film of Example 5, B1 is the film of Comparative Example 1, and B3 is the film of Comparative Example 3.
B8 is the film of Comparative Example 8, and B9 is the film of Comparative Example 9.
Claims (1)
基、ｎは１〜４の整数、Ｒは１〜４価のカルボン
酸から誘導されるモノ〜テトラアシル基を示す。〕
で表わされるヒンダードアミン系化合物が配合さ
れ、フイルム状に成形されてなり、かつ波長が
300nmないし350nmの範囲の全光線平均透過率が
25〜60％の範囲内になるように(A)の添加量が調節
されてなることを特徴とする、農業用塩化ビニル
系樹脂フイルム。 ２ 塩化ビニル系樹脂フイルムに含有するヒンダ
ードアミン系化合物の量が、塩化ビニル系樹脂
100重量部に対して、0.05〜1.0重量部であること
を特徴とする、特許請求の範囲第１項記載の農業
用塩化ビニル系樹脂フイルム。 ３ ベンゾフエノン系紫外線吸収剤が、 一般式 〔（）式中、R5は炭素数１〜18のアルキル基を
示す。〕で表わされる化合物であることを特徴と
する、特許請求の範囲第１項又は第２項記載の農
業用塩化ビニル系樹脂フイルム。 ４ 塩化ビニル系樹脂フイルムが、軟質配合塩化
ビニル系樹脂フイルムであることを特徴とする、
特許請求の範囲第１項、第２項又は第３項記載の
農業用塩化ビニル系樹脂フイルム。[Claims] 1 A vinyl chloride resin, (A) a benzophenone ultraviolet absorber, and (B) a general formula [In the formula (), R 1 to R 4 are alkyl groups having 1 to 4 carbon atoms, n is an integer of 1 to 4, and R is a mono- to tetraacyl group derived from a mono- to tetravalent carboxylic acid. ]
The hindered amine compound represented by is blended and formed into a film, and the wavelength
Total light average transmittance in the range of 300nm to 350nm
An agricultural vinyl chloride resin film, characterized in that the amount of (A) added is adjusted within the range of 25 to 60%. 2 The amount of hindered amine compound contained in the vinyl chloride resin film is
The agricultural vinyl chloride resin film according to claim 1, wherein the amount is 0.05 to 1.0 parts by weight per 100 parts by weight. 3 The benzophenone ultraviolet absorber has the general formula [In the formula (), R 5 represents an alkyl group having 1 to 18 carbon atoms. ] The agricultural vinyl chloride resin film according to claim 1 or 2, which is a compound represented by the following. 4. The vinyl chloride resin film is a soft blended vinyl chloride resin film,
An agricultural vinyl chloride resin film according to claim 1, 2, or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57027044A JPS58142928A (en) | 1982-02-22 | 1982-02-22 | Vinyl chloride resin film for agricultural use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57027044A JPS58142928A (en) | 1982-02-22 | 1982-02-22 | Vinyl chloride resin film for agricultural use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58142928A JPS58142928A (en) | 1983-08-25 |
| JPS6320458B2 true JPS6320458B2 (en) | 1988-04-27 |
Family
ID=12210066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57027044A Granted JPS58142928A (en) | 1982-02-22 | 1982-02-22 | Vinyl chloride resin film for agricultural use |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58142928A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2617678B2 (en) * | 1984-05-10 | 1997-06-04 | 三菱化学エムケーブイ 株式会社 | Agricultural vinyl chloride resin film |
| JPS61113649A (en) * | 1984-11-07 | 1986-05-31 | Adeka Argus Chem Co Ltd | Polymeric material composition with improved light resistance |
| US4822833A (en) * | 1986-03-10 | 1989-04-18 | Ciba-Geigy Corporation | Stabilized rigid polyvinyl chloride compositions |
| US4843116A (en) * | 1986-03-17 | 1989-06-27 | General Electric Company | UV light stabilizer composition comprising cyclic aliphatic epoxy, UV screener, and polyalkyldipiperidine (HALS) compounds |
| CN1037974C (en) * | 1993-04-28 | 1998-04-08 | 化学工业部北京化工研究院 | High-strenth weather-proof modified polyving1 chloride material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5058141A (en) * | 1973-06-09 | 1975-05-20 | ||
| JPS5263183A (en) * | 1975-11-19 | 1977-05-25 | Adeka Argus Chem Co Ltd | Stabilizer for organic materials |
| JPS57168933A (en) * | 1981-03-20 | 1982-10-18 | Mitsubishi Monsanto Chem Co | Agricultural vinyl chloride resin film having excellent weather resistance |
-
1982
- 1982-02-22 JP JP57027044A patent/JPS58142928A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5058141A (en) * | 1973-06-09 | 1975-05-20 | ||
| JPS5263183A (en) * | 1975-11-19 | 1977-05-25 | Adeka Argus Chem Co Ltd | Stabilizer for organic materials |
| JPS57168933A (en) * | 1981-03-20 | 1982-10-18 | Mitsubishi Monsanto Chem Co | Agricultural vinyl chloride resin film having excellent weather resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58142928A (en) | 1983-08-25 |
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