JPH01167351A - Polypropylene resin composition - Google Patents
Polypropylene resin compositionInfo
- Publication number
- JPH01167351A JPH01167351A JP32547387A JP32547387A JPH01167351A JP H01167351 A JPH01167351 A JP H01167351A JP 32547387 A JP32547387 A JP 32547387A JP 32547387 A JP32547387 A JP 32547387A JP H01167351 A JPH01167351 A JP H01167351A
- Authority
- JP
- Japan
- Prior art keywords
- ethylene
- copolymer
- polypropylene
- unsaturated carboxylic
- carboxylic acid
- 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.)
- Pending
Links
- -1 Polypropylene Polymers 0.000 title claims abstract description 42
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 36
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 35
- 239000011342 resin composition Substances 0.000 title claims description 9
- 229920001577 copolymer Polymers 0.000 claims abstract description 33
- 229920006124 polyolefin elastomer Polymers 0.000 claims abstract description 19
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000005977 Ethylene Substances 0.000 claims abstract description 16
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 abstract description 22
- 238000000576 coating method Methods 0.000 abstract description 22
- 239000000203 mixture Substances 0.000 abstract description 17
- 229920001971 elastomer Polymers 0.000 abstract description 12
- 239000005060 rubber Substances 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 10
- 238000002156 mixing Methods 0.000 abstract description 5
- 229920000642 polymer Polymers 0.000 abstract description 3
- 229920000098 polyolefin Polymers 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 4
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 4
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 4
- 229920001400 block copolymer Polymers 0.000 description 4
- 150000001735 carboxylic acids Chemical class 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 2
- 229920005674 ethylene-propylene random copolymer Polymers 0.000 description 2
- 239000001530 fumaric acid Substances 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid 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
- 238000009832 plasma treatment Methods 0.000 description 2
- 229920001384 propylene homopolymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- JNPCNDJVEUEFBO-UHFFFAOYSA-N 1-butylpyrrole-2,5-dione Chemical compound CCCCN1C(=O)C=CC1=O JNPCNDJVEUEFBO-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- WROUWQQRXUBECT-UHFFFAOYSA-N 2-ethylacrylic acid Chemical compound CCC(=C)C(O)=O WROUWQQRXUBECT-UHFFFAOYSA-N 0.000 description 1
- AYKYXWQEBUNJCN-UHFFFAOYSA-N 3-methylfuran-2,5-dione Chemical compound CC1=CC(=O)OC1=O AYKYXWQEBUNJCN-UHFFFAOYSA-N 0.000 description 1
- OFNISBHGPNMTMS-UHFFFAOYSA-N 3-methylideneoxolane-2,5-dione Chemical compound C=C1CC(=O)OC1=O OFNISBHGPNMTMS-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- UIERETOOQGIECD-UHFFFAOYSA-N Angelic acid Natural products CC=C(C)C(O)=O UIERETOOQGIECD-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- XLYMOEINVGRTEX-ARJAWSKDSA-N Ethyl hydrogen fumarate Chemical compound CCOC(=O)\C=C/C(O)=O XLYMOEINVGRTEX-ARJAWSKDSA-N 0.000 description 1
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920003298 Nucrel® Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- UIERETOOQGIECD-ARJAWSKDSA-N angelic acid Chemical compound C\C=C(\C)C(O)=O UIERETOOQGIECD-ARJAWSKDSA-N 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
- 229940018557 citraconic acid Drugs 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 150000001993 dienes Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- QHZOMAXECYYXGP-UHFFFAOYSA-N ethene;prop-2-enoic acid Chemical group C=C.OC(=O)C=C QHZOMAXECYYXGP-UHFFFAOYSA-N 0.000 description 1
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 description 1
- 239000005042 ethylene-ethyl acrylate Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- XLYMOEINVGRTEX-UHFFFAOYSA-N fumaric acid monoethyl ester Natural products CCOC(=O)C=CC(O)=O XLYMOEINVGRTEX-UHFFFAOYSA-N 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- FSQQTNAZHBEJLS-UPHRSURJSA-N maleamic acid Chemical compound NC(=O)\C=C/C(O)=O FSQQTNAZHBEJLS-UPHRSURJSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- HNEGQIOMVPPMNR-NSCUHMNNSA-N mesaconic acid Chemical compound OC(=O)C(/C)=C/C(O)=O HNEGQIOMVPPMNR-NSCUHMNNSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- HNEGQIOMVPPMNR-UHFFFAOYSA-N methylfumaric acid Natural products OC(=O)C(C)=CC(O)=O HNEGQIOMVPPMNR-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 150000005673 monoalkenes Chemical class 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- SONHXMAHPHADTF-UHFFFAOYSA-M sodium;2-methylprop-2-enoate Chemical compound [Na+].CC(=C)C([O-])=O SONHXMAHPHADTF-UHFFFAOYSA-M 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は新規なポリプロピレン樹脂組成物に関するもの
である。さらに詳しくいえば、本発明は、特に塗装バン
パ材料などとして好適な、プライマーを下塗りすること
なく上塗りが可能である上、上塗り塗料の塗膜接着性が
著しく向上した成形品を、与えることのできるポリプロ
ピレン樹脂組成物に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a novel polypropylene resin composition. More specifically, the present invention can provide a molded article that is particularly suitable as a painted bumper material, can be topcoated without undercoating with a primer, and has significantly improved coating film adhesion of the topcoat. This invention relates to a polypropylene resin composition.
［従来の技術〕
従来、ポリプロピレン樹脂は、分子内に極性基を有さな
いために化学的に不活性であって、極めて塗装性に劣る
ことが知られており、そのため近年特に市場ニーズが高
まっているポリプロピレン樹脂製の塗装バンパにおいて
は、あらかじめプライマーを下塗りしたのち、その上に
ポリウレタン系塗料を塗布し、この上塗り塗料の塗膜接
着性を高める方法がとられている。[Prior art] Conventionally, polypropylene resin has been known to be chemically inert because it does not have polar groups in its molecules, and has extremely poor paintability.Therefore, market needs have particularly increased in recent years. For painted bumpers made of polypropylene resin, a method is used in which a primer is applied as an undercoat and then a polyurethane paint is applied thereon to improve the adhesion of the topcoat paint.
しかしながら、このような方法においては、工程数の増
加をもたらし、かつ製品仕上げまでの時間が長くなるの
を免れない上、塗料費用も高いなどの問題があり、した
がって、最近種々のプライマーレス化の試みがなされて
いる。However, this method has problems such as increasing the number of steps and lengthening the time it takes to finish the product, as well as high paint costs. Attempts are being made.
ポリプロピレン樹脂製パンパのプライマーレス塗装化に
適用できる従来技術としては、例えば（１）プラズマ脂
環による方法（特開昭５７−２０７６２５号公報、同５
８−２０８３３７〜２０８３３９号公報、同５９−１０
９５３０号公報）、（２）ポリプロピレンに極性基をグ
ラフトする方法（特開昭６２−６４８４８号公報、同６
２−１１９２４３号公報）、（３）極性物質をポリプロ
ピレンにブレンドする方法（特開昭５１−１４５５５３
号公報、同６１−８９２３９号公報）などが提案されて
いる。Conventional techniques that can be applied to primerless coating of polypropylene resin pumps include (1) a plasma alicyclic method (JP-A-57-207625, JP-A-57-207625;
8-208337 to 208339, 59-10
9530), (2) Method of grafting polar groups to polypropylene (JP-A-62-64848, JP-A-62-64848;
2-119243), (3) Method of blending polar substances with polypropylene (JP-A-51-145553)
No. 61-89239) and the like have been proposed.
しかしながら、前記（Ｄのプラズマ処理による方法にお
いては、高い塗膜接着性が得られるものの、設備費が高
くつき、かつ工程の流れが悪い上に、プラズマ処理が均
一にできない場合があるなどの欠点を有し、また（２）
のポリプロピレンに極性基をグラフトする方法において
は、使用する七ツマ−が有毒性であったり、十分な塗膜
接着性が得られなかったりする上に、組成物の耐候性や
他の物性の低下を免れないなどの問題がある。However, although high coating film adhesion can be obtained in the method (D) using plasma treatment, it has drawbacks such as high equipment costs, poor process flow, and the plasma treatment may not be uniform. and (2)
In the method of grafting a polar group onto polypropylene, the polymer used is toxic, sufficient coating film adhesion cannot be obtained, and the weather resistance and other physical properties of the composition are deteriorated. There are problems such as not being able to escape.
さらに、（３）の極性物質をポリプロピレンにブレンド
する方法については、例えばポリプロピレン樹脂にエチ
レン系共重合体ゴムを混練して部分的に架橋したものと
エチレン−アクリル酸エステル共重合体とを配合してな
る組成物（特開昭５１−１４５５５３号公報）、ポリオ
レフィンと不飽和ジカルボン酸変性重合体とから成る組
成物（特開昭６１−８９２３９号公報）などが開示され
ている。しかしながら、これらの組成物はいずれも、プ
ライマーレス塗装用バンパ材料としては、塗膜接着性が
必ずしも十分ではなく、まだ実用化されていない。Furthermore, as for the method (3) of blending a polar substance with polypropylene, for example, a partially crosslinked mixture of polypropylene resin kneaded with ethylene copolymer rubber and an ethylene-acrylic acid ester copolymer may be blended. A composition comprising a polyolefin and an unsaturated dicarboxylic acid-modified polymer (Japanese Unexamined Patent Publication No. 61-89239) has been disclosed. However, all of these compositions do not necessarily have sufficient coating film adhesion as bumper materials for primerless painting, and have not yet been put to practical use.
本発明は、このようなポリプロピレン樹脂製パンパのブ
ライマーレス塗装化に関する従来技術が有する欠点を克
服し、プライマーを下塗りすることなく上塗りが可能で
ある上、上塗り塗料の塗膜接着性が著しく向上した成形
品を与えることができ、塗装用ポリプロピレンバンパ材
料をはじめ、各種のポリプロピレン製塗装向は材料など
として好適なポリプロピレン樹脂組成物を提供すること
を目的としてなされｔこものである。The present invention overcomes the drawbacks of the conventional technology related to the brimerless coating of polypropylene resin pumps, allows topcoating without undercoating a primer, and significantly improves the film adhesion of the topcoat. The purpose of this invention is to provide polypropylene resin compositions that can be used to form molded articles and are suitable for use as materials for various polypropylene coating applications, including polypropylene bumper materials for coating.
［問題点を解決するための手段］
本発明者らは、前記の優れた特徴を有するポリプロピレ
ン樹脂組成物を開発するために鋭意研究を重ねた結果、
ポリプロピレンに、特定のσ、β−エチレン性不飽和カ
ルボン酸単位を有するエチレン−α、β−エチレン性不
飽和カルボン酸共重合体と不飽和カルボン酸やその誘導
体により変性されたポリオレフィン系ゴムとを特定の割
合で配合して成るものが、その目的に適合しうろことを
見い出し、この知見に基づいて本発明を完成するに至り
ｔ二 。[Means for Solving the Problems] As a result of extensive research by the present inventors to develop a polypropylene resin composition having the above-mentioned excellent characteristics,
An ethylene-α,β-ethylenically unsaturated carboxylic acid copolymer having specific σ,β-ethylenically unsaturated carboxylic acid units and a polyolefin rubber modified with an unsaturated carboxylic acid or its derivative are added to polypropylene. It was discovered that a mixture in a specific proportion was suitable for the purpose, and based on this knowledge, the present invention was completed.
すなわち、本発明は、（Ａ）ポリプロピレン５０〜９５
重量％及び（Ｂ）σ、β−エチレン性不飽和カルボン酸
単位の含有量が５重量％以上のエチレンと少なくとも１
種のα、βエチレン性不飽和カルボン酸との共重合体５
０〜５重量％を含有し、かつ前記（Ａ）成分と（Ｂ）成
分との合計量１００重量部に対し、（Ｃ）不飽和カルボ
ン酸及び／又はその誘導体により変性された変性ポリオ
レフィン系ゴム０．５〜１５重量部を配合したことを特
徴とするポリプロピレン樹脂組成物を提供するものであ
る。That is, the present invention provides (A) polypropylene 50 to 95
(B) ethylene having a content of σ, β-ethylenically unsaturated carboxylic acid units of 5% by weight or more and at least 1% by weight;
Copolymer with species α, β ethylenically unsaturated carboxylic acid 5
(C) a modified polyolefin rubber modified with an unsaturated carboxylic acid and/or its derivative; The present invention provides a polypropylene resin composition characterized in that it contains 0.5 to 15 parts by weight.
以下、本発明の詳細な説明する。The present invention will be explained in detail below.
本発明組成物において（Ａ）成分として用いられるポリ
プロピレンとしては、例えば結晶性を存するアイソタク
チックプロピレン単独重合体や、エチレン単位の含有量
が少ないエチレンプロピレンランダム共重合体から成る
共重合部又はプロピレン単独重合体からなるホモ部とエ
チレン単位の含有量が比較的多いエチレンプロピレンラ
ンダム共重合体から成る共重合部とから構成された、い
わゆるプロピレンブロック共重合体として市販されてい
る実質上結晶性のプロピレンとエチレンとの共重合体、
あるいはこのブロック共重合体における各ホモ部又は共
重合部が、さらにブテン−１などのび一オレフィンを共
重きしたものから成る実質上結晶性のプロピレン−エチ
レン−α−オレフィン共重合体などが好ましく挙げられ
る。The polypropylene used as component (A) in the composition of the present invention is, for example, an isotactic propylene homopolymer exhibiting crystallinity, a copolymer portion consisting of an ethylene propylene random copolymer with a low content of ethylene units, or a propylene A substantially crystalline propylene block copolymer commercially available as a so-called propylene block copolymer, which is composed of a homopolymer portion consisting of a homopolymer and a copolymer portion consisting of an ethylene propylene random copolymer with a relatively high content of ethylene units. copolymer of propylene and ethylene,
Preferred examples include a substantially crystalline propylene-ethylene-α-olefin copolymer in which each homo portion or copolymer portion of this block copolymer is further copolymerized with a monoolefin such as butene-1. It will be done.
これらのポリプロピレンの中では、ＭＩ１００以下９／
１０分、特に１〜５０１１１／１０分のものが好適であ
る。Among these polypropylenes, MI100 or less9/
10 minutes, particularly 1 to 50111/10 minutes is preferred.
本発明組成物においては、（Ｂ）成分としてエチレンと
α，β−エチレン性不飽和カルボン酸との共重合体が用
いられ、該α，β−エチレン性不飽和カルボン酸として
は、例えばアクリル酸、メタクリル酸、エタクリル酸、
イタコン酸、クロトン酸、インクロトン酸、マレイン酸
、フマル酸などの炭素数３〜８のものが好ましく用いら
れる。これらのα、β−エチレン性不飽和カルボン酸は
１種用いてもよいし、２種以上を組み合わせて用いても
よい。In the composition of the present invention, a copolymer of ethylene and an α,β-ethylenically unsaturated carboxylic acid is used as the component (B), and the α,β-ethylenically unsaturated carboxylic acid includes, for example, acrylic acid. , methacrylic acid, ethacrylic acid,
Those having 3 to 8 carbon atoms, such as itaconic acid, crotonic acid, incrotonic acid, maleic acid, and fumaric acid, are preferably used. One type of these α,β-ethylenically unsaturated carboxylic acids may be used, or two or more types may be used in combination.
この共重合体におけるα、β−エチレン性不飽和カルボ
ン酸単位の含有量は５重量％以上、好ましくは７〜４０
重量％であることが必要である。該含有量が５重量％未
満のものでは、ポリプロピレンに対し、°その配合量を
多くしても高い塗膜接着性が得られない。また、この共
重合体の代りに、エチレン−酢酸ビニル共重合体のよう
なエチレンとエチレン性不飽和カルボン酸エステルとの
共重合体を用いても高い塗膜接着性は得られない。The content of α, β-ethylenically unsaturated carboxylic acid units in this copolymer is 5% by weight or more, preferably 7 to 40% by weight.
It is necessary that the amount is % by weight. If the content is less than 5% by weight, high coating film adhesion cannot be obtained with respect to polypropylene even if the amount is increased. Further, even if a copolymer of ethylene and an ethylenically unsaturated carboxylic acid ester, such as an ethylene-vinyl acetate copolymer, is used instead of this copolymer, high coating film adhesion cannot be obtained.
このエチレン−α、β−エチレン性不飽和カルボン酸共
重合体の製造方法については特に制限はなく、公知の方
法（特公昭３８−２３４９４号公報、特公昭４５−２０
１１１号公報）によって製造することができる。市販品
としては、ダウケミカル（株）、三井デュポンケミカル
（株）のものを使用することができるが、好適なものは
Ｍｌが１〜５００９／１０分、特に５〜４００ｇ／ｌＯ
分のものである。There are no particular restrictions on the method for producing this ethylene-α,β-ethylenically unsaturated carboxylic acid copolymer, and known methods (Japanese Patent Publication No. 38-23494, Japanese Patent Publication No. 45-20
No. 111). As commercially available products, those from Dow Chemical Co., Ltd. and DuPont Mitsui Chemical Co., Ltd. can be used, but preferred ones have an Ml of 1 to 5009/10 min, particularly 5 to 400 g/lO.
It's worth it.
本発明組成物においては、前記（Ａ）成分のポリプロピ
レンと（Ｂ）成分のエチレン−σ、β−エチレン性不飽
和カルボン酸共重合体は、それぞれ５０〜９５重量％及
び５０〜５重量％の割合で含有することが必要である。In the composition of the present invention, the polypropylene as the component (A) and the ethylene-σ,β-ethylenically unsaturated carboxylic acid copolymer as the component (B) contain 50 to 95% by weight and 50 to 5% by weight, respectively. It is necessary to contain it in a certain proportion.
該ポリプロピレンの含有量が５０！ｉ量％未満では高い
塗膜接着性は得られるものの、剛性や耐熱性などに劣り
、バンパ材料としては不向きであり、一方９５重量％を
超えると高い塗膜接着性が得られない。The content of the polypropylene is 50! If the amount is less than i% by weight, high coating film adhesion can be obtained, but the rigidity and heat resistance are poor, making it unsuitable as a bumper material.On the other hand, if it exceeds 95% by weight, high coating film adhesion cannot be obtained.
本発明組成物においては、前記の（Ａ）成分及び（Ｂ）
成分に対し、ざらに（Ｃ）成分として不飽和カルボン酸
及び／又はその誘導体により変性された変性ポリオレフ
ィン系ゴムを配合することが必要である。In the composition of the present invention, the above-mentioned (A) component and (B)
It is necessary to blend a modified polyolefin rubber modified with an unsaturated carboxylic acid and/or its derivative as component (C) into the components.
前記変性ポリオレフィン系ゴムに用いられるポリオレフ
ィン系ゴムとしては、例えばプロピレン単独重合体、プ
ロピレンとエチレンなどの共重合成分とのブロック共重
合体やランダム共重合体などが挙げられる。エチレン−
プロピレン系共重合体の場合、エチレン単位の含有量は
１０〜８０重量％の範囲が好ましく、この含有量が１０
重量％未満では耐衝撃性に劣るし、８０重量％を超える
と剛性が低下する。このエチレン−プロピレン系共重合
体にはブロックＰＰやエチレン−プロピレンラバー（Ｅ
Ｐラバー）が含まれる。また、ＥＰラバーの中には、エ
チレン−プロピレンラバー及びエチレン−プロピレン−
非共役ジエン共重合体（ＥＰＤＭ）などが含まれる。Examples of the polyolefin rubber used in the modified polyolefin rubber include propylene homopolymers, block copolymers and random copolymers of propylene and a copolymer component such as ethylene. Ethylene-
In the case of a propylene copolymer, the content of ethylene units is preferably in the range of 10 to 80% by weight;
If it is less than 80% by weight, the impact resistance will be poor, and if it exceeds 80% by weight, the rigidity will be reduced. This ethylene-propylene copolymer includes block PP and ethylene-propylene rubber (E
P rubber) is included. Also, some EP rubbers include ethylene-propylene rubber and ethylene-propylene rubber.
Non-conjugated diene copolymers (EPDM) and the like are included.
さらに、エチレンとプロピレンと炭素数４以上のａ−オ
レフィンとの共重合体も用いることができ、該炭素数４
以上のａ−オレフィンとしては例エバ、ブテン−１，ペ
ンテン−１，４−メチルヘキセン−１などが挙げられ、
これらは粘性付与の効果がある。Furthermore, a copolymer of ethylene, propylene, and an a-olefin having 4 or more carbon atoms can also be used;
Examples of the above a-olefins include Eva, butene-1, pentene-1,4-methylhexene-1, etc.
These have the effect of imparting viscosity.
また、変性に用いる不飽和カルボン酸としては、例えば
アクリル酸、メタクリル酸、マレイン酸、フマル酸、イ
タコン酸、クロトン酸、シトラコン酸、ソルビン酸、メ
サコン酸、アンゲリカ酸などが挙げられ、またその誘導
体としては、酸無水物、エステル、アミドイミド、金属
塩などがあり、例えば無水マレイン酸、無水イタコン酸
、無水シトラコン酸、アクリル酸メチル、メタクリル酸
メチル、アクリル酸エチル、アクリル酸ブチル、マレイ
ン酸モノエチルエステル、アクリルアミド、マレイン酸
モノアミド、マレイミド、Ｎ−ブチルマレイミド、アク
リル酸ナトリウム、メタクリル酸ナトリウムなどを挙げ
ることができる。Examples of unsaturated carboxylic acids used for modification include acrylic acid, methacrylic acid, maleic acid, fumaric acid, itaconic acid, crotonic acid, citraconic acid, sorbic acid, mesaconic acid, angelic acid, and derivatives thereof. Examples include acid anhydrides, esters, amide imides, metal salts, etc., such as maleic anhydride, itaconic anhydride, citraconic anhydride, methyl acrylate, methyl methacrylate, ethyl acrylate, butyl acrylate, and monoethyl maleate. Examples include ester, acrylamide, maleic acid monoamide, maleimide, N-butylmaleimide, sodium acrylate, and sodium methacrylate.
これらの不飽和カルボン酸やその誘導体は、前記ポリオ
レフィン系ゴムを変性する場合、１種用いてもよいし、
２種以上を組み合わせて用いてもよく、また変性方法に
ついては特に制限はなく、公知の種々の方法を用いるこ
とができる。例えば該ポリオレフィン系ゴムを適当な有
機溶媒に溶解し、不飽和カルボン酸やその誘導体及びラ
ジカル発生剤を添加して撹拌、加熱する方法、あるいは
前記各成分を押出機に供給してグラフト共重合を行う方
法などを用いることができる。These unsaturated carboxylic acids and their derivatives may be used alone when modifying the polyolefin rubber, or
Two or more types may be used in combination, and there are no particular restrictions on the modification method, and various known methods can be used. For example, the polyolefin rubber may be dissolved in a suitable organic solvent, unsaturated carboxylic acids, derivatives thereof, and radical generators may be added thereto, followed by stirring and heating, or the above-mentioned components may be fed into an extruder to carry out graft copolymerization. You can use a method such as
本発明組成物において（Ｃ）成分として用いられる変性
ポリオレフィン系ゴムは、不飽和カルボン酸及び／又は
その誘導体の付加量が０．０５〜５１％、特に０．３〜
２ｗＬ％、Ｍｌが０．０５〜４ｇ／ｉｏ分、特に０．１
〜２９／１０分のものが好ましい、また前記のようにし
て変性されたポリオレフィン系ゴム又はこのものと未変
性ポリオレフィン系ゴムとの混合物であってもよい。The modified polyolefin rubber used as component (C) in the composition of the present invention has an added amount of unsaturated carboxylic acid and/or its derivative from 0.05 to 51%, particularly from 0.3 to 51%.
2 wL%, Ml is 0.05 to 4 g/io min, especially 0.1
A polyolefin rubber having a weight ratio of 29/10 minutes is preferable, and it may also be a polyolefin rubber modified as described above or a mixture of this rubber and an unmodified polyolefin rubber.
本発明組成物においては、（Ｃ）成分の変性ポリオレフ
ィン系ゴムは、前記の（Ａ）成分と（Ｂ）成分との合計
量１００重量部に対し、０．５〜１５重量部、好ましく
は２〜１０重量部、さらに好ましくは２〜８重量部の割
合で配合される。配合量かこの範囲外では高い塗膜接着
性が得られず、バンパ材料としては不向きである。In the composition of the present invention, the modified polyolefin rubber as component (C) is 0.5 to 15 parts by weight, preferably 2 parts by weight, based on 100 parts by weight of the total amount of components (A) and (B). It is blended in a proportion of ~10 parts by weight, more preferably 2 to 8 parts by weight. If the amount is outside this range, high coating film adhesion cannot be obtained, making it unsuitable as a bumper material.
この変性ポリオレフィン系ゴムは、ポリプロピレンとエ
チレン−α、β、β〜エチレン飽和カルボン酸共重合体
との間の相容化剤として作用し、単独ではもちろん、ポ
リプロピレンと該変性ポリオレフィン系ゴムとの二元系
においても高い塗膜接着性を付与することができないし
、また、この変性ポリオレフィン系ゴムを含有しない、
ポリプロピレンとエチレン−α、β〜エチレン性不飽性
力飽和カルボン酸共重合体元系においても高い塗膜接着
性は得られない。This modified polyolefin rubber acts as a compatibilizer between polypropylene and the ethylene-α, β, β to ethylene saturated carboxylic acid copolymer, and can be used alone or in combination with polypropylene and the modified polyolefin rubber. It is not possible to impart high coating film adhesion even in the original system, and it does not contain this modified polyolefin rubber.
High coating film adhesion cannot be obtained even in the case of a copolymer of polypropylene and ethylene-α, β to ethylenically unsaturated carboxylic acid.
本発明組成物には、所望に応じ、各種添加剤、補強材、
充填材、例えば耐熱安定剤、耐候安定剤、帯電防止剤、
滑剤、スリップ剤、核剤、離燃剤、顔料や染料、ガラス
繊維、炭素繊維、炭酸カルシウム、硫酸カルシウムなど
を、本発明の目的を損なわない範囲で添加することがで
きる。The composition of the present invention may contain various additives, reinforcing materials,
Fillers, such as heat stabilizers, weather stabilizers, antistatic agents,
A lubricant, a slip agent, a nucleating agent, a flame retardant, a pigment, a dye, a glass fiber, a carbon fiber, calcium carbonate, calcium sulfate, etc. can be added within a range that does not impair the object of the present invention.
また、衝撃強度及び剛性のバランスの面から、前記の（
Ａ）、（Ｂ）及び（Ｃ）成分に、さらにエチレン−ａ−
才レフイン−非共役ジエン共重合体ゴム、エチレン−α
−オレフィン＝共重合体ゴム、ポリエチレンなどを必要
に応じ添加してもよい。In addition, from the perspective of impact strength and rigidity balance, the above (
In addition to components A), (B) and (C), ethylene-a-
Sairefine-nonconjugated diene copolymer rubber, ethylene-α
-Olefin = copolymer rubber, polyethylene, etc. may be added as necessary.
該エチレンーσ−オレフィン共重合体ゴムとしては、例
えばエチレン単位の含有量が２０〜８５モル％、好まし
くは５０〜８０モル％のエチレン−プロピレン共重合体
ゴムやエチレン−ブテン−１共重合体ゴム、エチレン−
ヘキセン−１共重合体ゴムなどを挙げることができる。Examples of the ethylene-σ-olefin copolymer rubber include ethylene-propylene copolymer rubber and ethylene-butene-1 copolymer rubber having an ethylene unit content of 20 to 85 mol%, preferably 50 to 80 mol%. , ethylene-
Examples include hexene-1 copolymer rubber.
また、エチレン−α−オレフィンー非共役ジエン共重合
体としては、例えば、エチレン単位の含有量が２０〜８
５モル％、好マシくは５０〜８０モル％で、かつ非共役
ジエン単位の含有量が０．１〜２０モル％、゛好ましく
は０．５〜１５モル％のエチレン−プロピレン−シクロ
ペンタジェン共重合体やエチレンープロピレンーエチリ
デンノルポルネン共重合体などを挙げることができる。Further, as an ethylene-α-olefin-nonconjugated diene copolymer, for example, the content of ethylene units is 20 to 8
5 mol%, preferably 50 to 80 mol%, and a content of non-conjugated diene units of 0.1 to 20 mol%, preferably 0.5 to 15 mol%, of ethylene-propylene-cyclopentadiene. Examples include copolymers and ethylene-propylene-ethylidenenorporene copolymers.
本発明組成物の調製方法については特に制限はなく、従
来ポリプロピレン樹脂組成物の調製に慣用され°Ｃいる
方法を用いることができる。例えば、所要量の前記（Ａ
）成分、（Ｂ）成分、（Ｃ）成分及び必要に応じて用い
られる各種添加成分を、ニーダ−、ロール、パンバリミ
キサーなどの混練機や１軸又は２軸押用機なとを用いて
混練することにより、調製することができる。There are no particular restrictions on the method for preparing the composition of the present invention, and any method conventionally used for preparing polypropylene resin compositions at °C can be used. For example, the required amount of the above (A
) ingredients, (B) ingredients, (C) ingredients, and various additive ingredients used as necessary, using a kneader, roll, pan Bali mixer, etc., or a single or twin screw extrusion machine. It can be prepared by kneading.
［発明の効果］
本発明のポリプロピレン樹脂組成物は、プライマーを下
塗りすることなく上塗りが可能である上、上塗り塗料の
塗膜接着性が著しく向上した成形品を与えることができ
、塗装用ポリプロピレンバンパ材料をはじめ、各種のポ
リプロピレン製塗装向は材料などとして好適に用いられ
る。[Effects of the Invention] The polypropylene resin composition of the present invention can be topcoated without undercoating a primer, and can provide a molded product with significantly improved coating film adhesion of the topcoat. Various types of polypropylene coating materials are suitably used as materials.
［実施例コ
次に実施例により本発明をさらに詳細に説明するが、本
発明はこれらの例によってなんら限定されるものではな
い。[Example] Next, the present invention will be explained in more detail with reference to Examples, but the present invention is not limited to these Examples in any way.
なお、表における略号は次を意味する。In addition, the abbreviations in the table have the following meanings.
ＰＰ−１：エチレン−プロピレン共重合体、出光石油化
学（株）製、商品名Ｊ−７６５Ｈ。PP-1: Ethylene-propylene copolymer, manufactured by Idemitsu Petrochemical Co., Ltd., trade name J-765H.
Ｍｌ ８．２９／１０分（２３０℃）、エチレン単位
含量８．３ｖｔ％
ＰＰ−２：ホモポリプロピレン、
出光石油化学（株）製、商品名Ｊ−７００Ｇ。Ml 8.29/10 minutes (230°C), ethylene unit content 8.3 vt% PP-2: homopolypropylene, manufactured by Idemitsu Petrochemical Co., Ltd., trade name J-700G.
Ｍｌ ８．５９／１０分（２３０°Ｃ）ＰＰ−３７工
チレンープロピレン共重合体、出光石油化学（株）製、
商品名Ｊ−４６０Ｈ。Ml 8.59/10 min (230°C) PP-37 engineered tyrene-propylene copolymer, manufactured by Idemitsu Petrochemical Co., Ltd.
Product name J-460H.
Ｍ 夏 ｚ、ａ９／ｌｏ 分 （２３０℃） 、エチ
レン単位含量７．９ｗｔ％
ＰＰ−４：エチレン−プロピレン共重合体、出光石油化
学（株）製、
商品名Ｊ−３０６０Ｈ。M summer z, a9/lo min (230°C), ethylene unit content 7.9 wt% PP-4: Ethylene-propylene copolymer, manufactured by Idemitsu Petrochemical Co., Ltd., trade name J-3060H.
Ｍｌ ２９．０９／１０分（２３０℃）、エチレン単
位含量８．８ｖｔ％
ＥＡＡ−１：エチレンーアクリル酸共重合体、三井デュ
ポンケミカル（株）製、
商品名ニュクレルＮ１５６０、
Ｍｌ ｓｏｇ／ｌｏ分（１９０℃）、アクリル酸単位
含量１５ｖｔ％
ＥＡＡ−２：エチレン−アクリル酸共重合体、ダウケミ
カル（株）製、
商品名Ｘ ０−２３７５．３３、
Ｍｌ ３００９／１０分（１９０℃）、アクリル酸単
位含量２０ｖｔ％
ＥＡＡ−３：エチレン−アクリル酸共重合体、三井デュ
ポンケミカル（株）製、
商品名ニュクレルＮ４０３、
Ｍｌ １０９／１０分（１９０℃）、アクリル酸単位
含量４ｗＬ％
ＥＥＡ ：エチレンーエチルアクリレート共重合体、Ｍ
１７ｇ／１０分（１９０°Ｃ）、
エチレンアクリレート単位含量１５ｖｔ％ＥＰ−ＭＡＨ
−１：変性ポリオレフィン系ゴム、住人化学（株）製、
商品名Ｍ−１２０５゜Ｍｌ Ｏ，８９／１０分（２３
０℃）、無水マレイン酸付加量１．Ｏｖｔ％
ＥＰ−ＭＡＲ−１変性ポリオレフイン系ゴム、日本合成
ゴム（株）製、
商品名Ｔ７７７４１Ｐ。Ml 29.09/10 min (230°C), ethylene unit content 8.8 vt% EAA-1: Ethylene-acrylic acid copolymer, manufactured by Mitsui DuPont Chemical Co., Ltd., trade name Nuclell N1560, Ml sog/lo min ( 190°C), acrylic acid unit content 15vt% EAA-2: Ethylene-acrylic acid copolymer, manufactured by Dow Chemical Co., trade name X 0-2375.33, Ml 3009/10 min (190°C), acrylic acid Unit content 20vt% EAA-3: Ethylene-acrylic acid copolymer, manufactured by DuPont Mitsui Chemical Co., Ltd., trade name Nucrel N403, Ml 109/10 minutes (190°C), acrylic acid unit content 4wL% EEA: ethylene-ethyl Acrylate copolymer, M
17g/10min (190°C), ethylene acrylate unit content 15vt% EP-MAH
-1: Modified polyolefin rubber, manufactured by Sumima Kagaku Co., Ltd.
Product name M-1205゜Ml O, 89/10 minutes (23
0°C), maleic anhydride addition amount 1. Ovt% EP-MAR-1 modified polyolefin rubber, manufactured by Japan Synthetic Rubber Co., Ltd., trade name T77741P.
Ｍｌ Ｏ，６９／１０分（２３０℃）、無水マレイン
酸付加量０．５ｗｔ％
ＥＰ：エチレンープロピレンゴム、
日本合成ゴム（株）製、商品名ＥＰ０７Ｐ。MlO, 69/10 minutes (230°C), maleic anhydride addition amount 0.5 wt% EP: ethylene-propylene rubber, manufactured by Nippon Gosei Rubber Co., Ltd., trade name EP07P.
Ｍｌ ０．６９／１０分（２３０℃）、プロピレン含
量２７ｖｔ％
実施例１−１７、比較例１−１９
（Ａ）、（Ｂ）及び（Ｃ）成分を、それぞれ第１表およ
び第２表に示す配合割合でトライブレンドしｔ；のち、
射出成形にて７０Ｘ７０Ｘ２ｍｍの成形品を得た。この
成形品を１．１．１−トリクロロエタン蒸気で１分間蒸
し、脱脂処理を行ったのち、数十分間放置、冷却した。Ml 0.69/10 min (230°C), propylene content 27vt% Example 1-17, Comparative Example 1-19 Components (A), (B) and (C) are shown in Tables 1 and 2, respectively. Tri-blend at the blending ratio shown; then,
A molded article measuring 70 x 70 x 2 mm was obtained by injection molding. This molded article was steamed with 1.1.1-trichloroethane vapor for 1 minute to perform a degreasing treatment, and then left to cool for several tens of minutes.
次に、この成形品にプライマーを塗布することなく、直
接ウレタン塗料をスプレー塗装したのち、これを９０℃
で４５分間焼付け、乾燥を行った。Next, urethane paint was directly spray-coated on this molded product without applying a primer, and then the product was heated to 90°C.
It was baked for 45 minutes and dried.
塗装した成形品のウレタン塗膜接着性は、塗膜にｌｏｓ
＃１幅の切り込みを入れ、これを（株）島津製作所製オ
ートグラフＤＳＣ２０００を用い、１８０’剥離強度を
測定することによって行った。The adhesion of the urethane coating on the painted molded product is
A #1 width cut was made and the 180' peel strength was measured using Autograph DSC2000 manufactured by Shimadzu Corporation.
引張り速度はいずれも５０ｍｍ／分で行った。その結果
を第１表及び第２表に示す。The pulling speed was 50 mm/min in all cases. The results are shown in Tables 1 and 2.
なお、ウレタン塗料として、日本ビーケミカル社製の商
品名Ｒ−２７３（主剤）及び商品名Ｒ−２７１（硬化剤
）を、重量比５：ｌの割合で混合し、シンナーを加えて
粘度を調節したものを用いた。As a urethane paint, Nippon B Chemical Co., Ltd.'s product name R-273 (main agent) and product name R-271 (curing agent) were mixed at a weight ratio of 5:1, and the viscosity was adjusted by adding thinner. I used the one I made.
（以下余白）(Margin below)
Claims (1)
量が５重量％以上のエチレンと少なくとも１種のα，β
−エチレン性不飽和カルボン酸との共重合体５０〜５重
量％を含有し、かつ前記（Ａ）成分と（Ｂ）成分との合
計量１００重量部に対し、 （Ｃ）不飽和カルボン酸及び／又はその誘導体により変
性された変性ポリオレフィン系ゴム０．５〜１５重量部
を配合したことを特徴とするポリプロピレン樹脂組成物
。[Scope of Claims] 1 (A) 50 to 95% by weight of polypropylene; (B) ethylene containing 5% by weight or more of α,β-ethylenically unsaturated carboxylic acid units; and at least one α,β type.
- Contains 50 to 5% by weight of a copolymer with ethylenically unsaturated carboxylic acid, and based on 100 parts by weight of the total amount of components (A) and (B), (C) unsaturated carboxylic acid and 1. A polypropylene resin composition comprising 0.5 to 15 parts by weight of a modified polyolefin rubber modified with/or a derivative thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32547387A JPH01167351A (en) | 1987-12-24 | 1987-12-24 | Polypropylene resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32547387A JPH01167351A (en) | 1987-12-24 | 1987-12-24 | Polypropylene resin composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01167351A true JPH01167351A (en) | 1989-07-03 |
Family
ID=18177272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32547387A Pending JPH01167351A (en) | 1987-12-24 | 1987-12-24 | Polypropylene resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01167351A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0253845A (en) * | 1988-08-18 | 1990-02-22 | Fujikura Ltd | Flame-retardant resin composition |
-
1987
- 1987-12-24 JP JP32547387A patent/JPH01167351A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0253845A (en) * | 1988-08-18 | 1990-02-22 | Fujikura Ltd | Flame-retardant resin composition |
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