CN1297615C - Sprayable polyethylene composition and its preparing method - Google Patents
Sprayable polyethylene composition and its preparing method Download PDFInfo
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- CN1297615C CN1297615C CNB2003101032228A CN200310103222A CN1297615C CN 1297615 C CN1297615 C CN 1297615C CN B2003101032228 A CNB2003101032228 A CN B2003101032228A CN 200310103222 A CN200310103222 A CN 200310103222A CN 1297615 C CN1297615 C CN 1297615C
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- 239000000203 mixture Substances 0.000 title claims abstract description 47
- -1 polyethylene Polymers 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims description 10
- 239000004698 Polyethylene Substances 0.000 title 1
- 229920000573 polyethylene Polymers 0.000 title 1
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 claims abstract description 106
- 229920001971 elastomer Polymers 0.000 claims abstract description 63
- 239000005060 rubber Substances 0.000 claims abstract description 61
- 239000004743 Polypropylene Substances 0.000 claims abstract description 48
- 229920001155 polypropylene Polymers 0.000 claims abstract description 48
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 22
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 10
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical group C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims description 24
- 238000005507 spraying Methods 0.000 claims description 22
- 238000004132 cross linking Methods 0.000 claims description 19
- 229920000178 Acrylic resin Polymers 0.000 claims description 11
- 239000004925 Acrylic resin Substances 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 9
- 238000005987 sulfurization reaction Methods 0.000 claims description 7
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 9
- 229920005989 resin Polymers 0.000 abstract description 9
- 238000002156 mixing Methods 0.000 abstract description 7
- 239000000806 elastomer Substances 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 abstract 2
- 238000007334 copolymerization reaction Methods 0.000 abstract 1
- 239000008187 granular material Substances 0.000 abstract 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 22
- 230000000052 comparative effect Effects 0.000 description 16
- 229920000126 latex Polymers 0.000 description 15
- 239000004816 latex Substances 0.000 description 11
- 229920003023 plastic Polymers 0.000 description 10
- 239000004033 plastic Substances 0.000 description 10
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 7
- 239000003973 paint Substances 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000002174 Styrene-butadiene Substances 0.000 description 5
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 5
- 239000011115 styrene butadiene Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- 229920006243 acrylic copolymer Polymers 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- 229920002633 Kraton (polymer) Polymers 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- WXCZUWHSJWOTRV-UHFFFAOYSA-N but-1-ene;ethene Chemical compound C=C.CCC=C WXCZUWHSJWOTRV-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention provides a sprayable polypropylene composition which relates to the field of sprayable resin. The sprayable polypropylene composition comprises the following components: 100 parts by weight of blended polypropylene resin, 10 to 40 parts of a thermoplastic elastomer, 2 to 15 parts of grafts of the thermoplastic elastomer, 1 to 20 parts of powder styrene-butadiene rubber, etc., wherein the thermoplastic elastomer is a hydrogenated styrene-butadiene-styrene block copolymer; the grafts of the thermoplastic elastomer is a linear crooslinking copolymerization grafting elastomer of the hydrogenated styrene-butadiene-styrene block copolymer and a polar monomer; the powder butylbenzene rubber is styrene-butadiene rubber granules with the gel content of 60 wt% or higher and the average grain size of 50 to 150 nm. The sprayable polypropylene composition is obtained through melting and blending the components, and has high toughness, sprayability and good rigidity.
Description
Technical field
The present invention relates to the plastics that can spray, specifically, the present invention relates to a kind of polypropene composition that sprays and preparation method thereof.
Background technology
The acrylic resin compound with regular structure, the crystallinity height is a kind of synthetic resins of high comprehensive performance.Mechanical properties such as polyacrylic stretching, surrender are higher than high density polyethylene(HDPE); Polyacrylic fusing point is higher, and its goods thermotolerance is better; In addition, polyacrylic chemical stability, high-frequency insulation are good, and humidity resistance and moulding processability are all preferable.Good comprehensive performances makes polypropylene become the plastics variety of consumption maximum in the world.But because higher its nonpolar molecular structure in addition of crystalling propylene degree makes that its winter hardiness (being low-temperature impact) and covering with paint property are relatively poor.And the goods of bumper one class then exactly need good impact-resistance.In addition, at present increasing to the demand of high-grade automobile, therefore often need to the vehicle complete vehicle spraying, so the sprayability of collision bumper one class material is then had very high requirement.Therefore, in the prior art, when improving polyacrylic impact and covering with paint property, the vinyl saturated copolymers that use are polyacrylic main modified toughened dose (as EPR etc.) more, and be aided with hydrogenated styrene-butadiene-styrene block copolymers (SEBS), talcum powder, to obtain covering with paint property and impelling strength preferably.As Japanese Patent JP96-212822, provide a kind of polypropylene composite bumper and inside gadget, that can spray, have excellent impact resistance and less current mark that is used for.The main body composition that product is formed is a polypropylene, and ethylene-propylene rubber(EPR) is main toughner, and a small amount of SEBS adds talcum powder and hydroxyethyl methyl-acrylic copolymer for auxiliary toughner; Japanese Patent JP96-257142, a kind of polypropene composition with better sprayability and impact-resistance is provided, and its main body composition is a polypropylene, and ethylene-octene rubber is main toughner, a small amount of SEBS adds talcum powder and propylene-2-hydroxyethyl methyl-acrylic copolymer for auxiliary toughner; Japanese Patent JP96-257139 provides a kind of and sprays, has the polypropylene composite of better shock resistance and less current mark, and the main body composition of its composition is a polypropylene, and ethene-butene rubber is main toughner, and a small amount of SEBS is auxiliary toughner, adds talcum powder.The polypropylene composite that above patent provides is all having raising aspect sprayability and the impact-resistance, but owing to be used for the adding of toughness reinforcing soft elastomer, often makes the rigidity of mixture be subjected to bigger loss, makes that the over-all properties of its mechanics is not good.
Summary of the invention
The inventor finds by great deal of experimental, adopt the butylbenzene powdered rubber with crosslinking structure of small particle size to mix to make and be used for modified polypropylene resin with thermoplastic elastomer and grafts thereof, polyacrylic normal temperature impact property is significantly improved, and winter hardiness is better, covering with paint property good (cross-hatching 100% nothing is peeled off), modulus lost is lower.Be not only applicable to the automobile exterior component that requires rigid-tough balance good, can expand to fields such as electronics, electrical equipment yet.Has higher using value.
But the purpose of this invention is to provide above-described this spray coating polypropylene composition, maintain higher intensity and rigidity when it has excellent toughness.
But another object of the present invention provides described spray coating polypropylene preparation of compositions method.
But spray coating polypropylene composition of the present invention comprises the following component of blend:
Acrylic resin 100 parts by weight
Thermoplastic elastomer 10～40 parts by weight
Thermoplastic elastomer grafts 2～15 parts by weight
Butylbenzene powdered rubber 1～20 parts by weight.
Thermoplastic elastomer described in the present composition is hydrogenated styrene-butadiene-styrene block copolymers (SEBS), improves polyacrylic toughness with butylbenzene powdered rubber synergy.Its consumption is preferably 15～35 parts by weight.
Thermoplastic elastomer grafts described in the present composition is the grafts of hydrogenated styrene-butadiene-styrene block copolymers and polar monomer.Polar monomer can be selected from maleic anhydride, glycidyl methacrylate or vinylformic acid etc.The percentage of grafting of this grafts is 0.5～6.0%, is preferably 1.5～3.0%.The grafts of SEBS and SEBS have good consistency, and have introduced polarity group for polypropylene, but make polyacrylic sprayability improve.Its consumption is preferably 3～10 parts by weight.
Butylbenzene powdered rubber described in the present composition is that gel content is 60wt% or higher, preferred 80wt% or higher, and median size is 50～150nm, be preferably the styrene-butadiene rubber(SBR) particle of 70～100nm.The rubber grain of this butylbenzene powdered rubber is equal phase structure.Because this powdered rubber particle diameter is very little, it also can reduce simultaneously inflexible is being lost with the collaborative polypropylene flexible that improves of SEBS.And because it has higher gel content, adhesion between the particle can be dispersed in the resin.From microcosmic angle, it can form uniformly, relatively rise rough spot the resin at product surface, be easy to adhering to of paint vehicle, can with the collaborative together sprayability that improves resin surface of the grafts of SEBS.It is 2.5～15 parts by weight that its consumption is preferably.
The above butylbenzene powdered rubber preferably adopts the prepared full sulfuration butylbenzene powdered rubber of submitting on December 3rd, 1999 according to the applicant of Chinese patent application 99125530.5 (publication number of its international patent application is WO01/40356).The full sulfuration of this kind butylbenzene powdered rubber is meant that gel content reaches 60% weight or higher, and more excellent is 75% weight or higher, and need not with separant after the drying is free flowable styrene-butadiene rubber(SBR) micro mist.The particle diameter of this butylbenzene powdered rubber is 50～150nm, be preferably 70～100nm.Should complete each particulate that vulcanizes in the butylbenzene powdered rubber all be homogeneous, promptly single particulate all be a homogeneous on forming, and does not find layering in the particulate under the observation of existing microtechnique, divides the phenomenon that equates uneven phase.This butylbenzene powdered rubber is by obtaining corresponding styrene butadiene rubber latex cross-linking radiation after drying.The particle diameter of latex particle is consistent substantially in its rubber particles particle diameter and the styrene-butadiene latex.
Above-described butylbenzene powdered rubber can also adopt the prepared cross-linking type butylbenzene powdered rubber of the Chinese patent application submitted on November 3rd, 2000 according to the applicant 00130386.4.This kind cross-linking type butylbenzene powdered rubber be a kind of be raw material with cross-linking type butylbenzene rubber latex, the butylbenzene powdered rubber that drying obtains.This cross-linking type butylbenzene powdered rubber need not add separant and get final product unrestricted flow.The particle diameter of latex particle is consistent substantially in its particle diameter and the styrene-butadiene latex, is 50～150nm, is preferably 70～100nm.This cross-linking type butylbenzene powdered rubber gel content is consistent with gel content as the cross-linking type butylbenzene rubber latex of raw material, is 80% weight or higher, is preferably 85% weight or higher.Each particulate in this cross-linking type butylbenzene powdered rubber all is a homogeneous, and promptly single particulate all is a homogeneous on forming, and does not find layering in the particulate under the observation of existing microtechnique, divides the phenomenon that equates uneven phase.
But the acrylic resin as spray coating polypropylene composition main body plastics of the present invention comprises various types of polypropylene.
The preparation method of tenacity-increased profax of the present invention is:
With polypropylene with comprise that but the component of above-mentioned thermoplastic elastomer, thermoplastic elastomer grafts and butylbenzene powdered rubber makes described spray coating polypropylene composition by the rubber and plastic melt-mixing method.
Acrylic resin as the main body plastics among the preparation method of the present invention comprises various types of polypropylene.
Thermoplastic elastomer described in the preparation method of the present invention is hydrogenated styrene-butadiene-styrene block copolymers (SEBS), improves polyacrylic toughness with butylbenzene powdered rubber synergy.Its consumption is 100 parts by weight in polypropylene, is 10～40 parts, is preferably 15～35 parts by weight.
Thermoplastic elastomer grafts described in the preparation method of the present invention is the grafts of hydrogenated styrene-butadiene-styrene block copolymers and polar monomer.The percentage of grafting scope of grafts is 0.5～6.0wt%, is preferably 1.0～3.0wt%.Polar monomer can be selected from maleic anhydride, glycidyl methacrylate or vinylformic acid etc.The grafts of SEBS and SEBS have good consistency, and have introduced polarity group for polypropylene, but make polyacrylic sprayability improve.Its consumption is 100 parts by weight in polypropylene, is 2～15 parts, is preferably 3～10 parts by weight.
The grafts of above-mentioned SEBS and polar monomer can be by self-control or commercially available getting.Grafting method during self-control is a plastics grafting method commonly used in the plastic working, promptly generally (as superoxide: melt blending reacts under initiation dicumyl peroxide), obtains the grafts of SEBS and polar monomer at initiator with the SEBS of molten state and polar monomer (as maleic anhydride, glycidyl methacrylate, vinylformic acid etc.).
Butylbenzene powdered rubber described in the present composition preparation method is that gel content is 60wt% or higher, preferred 80wt% or higher, and median size is 50～150nm, be preferably the styrene-butadiene rubber(SBR) particle of 70～100nm.The rubber grain of this butylbenzene powdered rubber is equal phase structure.Because this powdered rubber particle diameter is very little, it also can reduce simultaneously inflexible is being lost with the collaborative polypropylene flexible that improves of SEBS.And because it has higher gel content, adhesion between the particle can be dispersed in the resin.From microcosmic angle, it can form uniformly, relatively rise rough spot the resin at product surface, be easy to adhering to of paint vehicle, can with the collaborative together sprayability that improves resin surface of the grafts of SEBS.It is 2.5～15 parts by weight that its consumption is preferably.
The above butylbenzene powdered rubber preferably adopts the prepared full sulfuration butylbenzene powdered rubber of submitting on December 3rd, 1999 according to the applicant of Chinese patent application 99125530.5 (publication number of its international patent application is WO01/40356).The full sulfuration of this kind butylbenzene powdered rubber is meant that gel content reaches 60% weight or higher, and more excellent is 75% weight or higher, and need not with separant after the drying is free flowable styrene-butadiene rubber(SBR) micro mist.The particle diameter of this butylbenzene powdered rubber is 50～150nm, be preferably 70～100nm.Should complete each particulate that vulcanizes in the butylbenzene powdered rubber all be homogeneous, promptly single particulate all be a homogeneous on forming, and does not find layering in the particulate under the observation of existing microtechnique, divides the phenomenon that equates uneven phase.This butylbenzene powdered rubber is by obtaining corresponding styrene butadiene rubber latex cross-linking radiation after drying.The particle diameter of latex particle is consistent substantially in its rubber particles particle diameter and the styrene-butadiene latex.
Above-described butylbenzene powdered rubber can also adopt the prepared cross-linking type butylbenzene powdered rubber of the Chinese patent application submitted on November 3rd, 2000 according to the applicant 00130386.4.This kind cross-linking type butylbenzene powdered rubber be a kind of be raw material with cross-linking type butylbenzene rubber latex, the butylbenzene powdered rubber that drying obtains.This cross-linking type butylbenzene powdered rubber need not add separant and get final product unrestricted flow.The particle diameter of latex particle is consistent substantially in its particle diameter and the styrene-butadiene latex, is 50～150nm, is preferably 70～100nm.This cross-linking type butylbenzene powdered rubber gel content is consistent with gel content as the cross-linking type butylbenzene rubber latex of raw material, is 80% weight or higher, is preferably 85% weight or higher.Each particulate in this cross-linking type butylbenzene powdered rubber all is a homogeneous, and promptly single particulate all is a homogeneous on forming, and does not find layering in the particulate under the observation of existing microtechnique, divides the phenomenon that equates uneven phase.
But adopt the rubber plastic blend method to prepare in the spray coating polypropylene composition process of the present invention, the blending temperature of material is the processing temperature of polypropylene general, selects not only guaranteeing the complete fusion of matrix polypropylene but also can not make in the scope of its decomposition.In addition, according to the processing needs, can in the blend material, add the conventional auxiliary agent of plastic working and expanding material etc. in right amount.
The employed blending equipment of present method is the general blending equipment in the rubber and plastic processing industry, can be twin screw extruder, single screw extrusion machine, mill or Banbury mixer etc.
But spray coating polypropylene of the present invention has good toughness and spraying property, and maintain higher intensity and rigidity and.Be not only applicable to the automobile exterior component that requires rigid-tough balance good, can expand to fields such as electronics, electrical equipment yet.Has higher using value.
But spray coating polypropylene preparation of compositions method of the present invention, technology is simple, but the spray coating polypropylene of gained has good strong and unyielding balance and sprayability.
Embodiment
Further describe the present invention below in conjunction with embodiment, scope of the present invention is not subjected to the restriction of these embodiment.Scope of the present invention proposes in claims.
Embodiment 1～3:
(Singapore TPC company produces with acrylic resin, trade mark AW564, melting index 9g/10min), full sulfuration butylbenzene powdered rubber is (in butylbenzene-50 emulsion of Lanhua Latex Research and Development Centre, after pressing 3% adding crosslinking coagent Viscoat 295 of the dried glue weight of styrene-butadiene emulsion, carry out radiation vulcanization, irradiation dose is 2.5Mrad, obtain after spray-dried, median size is 100nm, gel content is 90.4% weight), (Yueyang petro-chemical corporation produces the SEBS thermoplastic elastomer, trade mark YH501, molecular weight ranges MW is 60,000～90,000, S/B mole block ratio is 19/81), the grafts of SEBS and maleic anhydride (shell company, Kraton FG1901, percentage of grafting 1.8～2% density 0.91g/cm3) and antioxidant 1010 (Switzerland Ciba-Geigy produce) mix, specifically forming in acrylic resin is that 100 parts by weight see Table 1.Adopt BUSS kneader blend granulation, extrusion temperature is: 210～230 ℃.Pellet is made the standard batten through injection moulding, carries out every Mechanics Performance Testing, and its result is as shown in table 1.
Comparative example 1:
With acrylic resin (with embodiment 1), ethylene, propylene copolymer EPR, the trade mark is PL05 (Italian ENI Chemical Manufacture) and antioxidant 1010 (Switzerland's Ciba-Geigy is produced) mix, and specifically forming in acrylic resin is that 100 parts by weight see Table 1.Adopt BUSS kneader blend granulation, extrusion temperature is: 210～230 ℃.Pellet is made the standard batten through injection moulding, carries out every Mechanics Performance Testing, and its result is as shown in table 1.
Comparative example 2:
Except the EPR in the comparative example 1 being replaced with SEBS (with embodiment 1), all the other conditions are identical with comparative example 1, and Mechanical test results is listed in table 1.
Comparative example 3:
Except the EPR in the comparative example 1 being replaced with full sulfuration butylbenzene powdered rubber (with embodiment 1), all the other conditions are identical with comparative example 1, and Mechanical test results is listed in table 1.
Comparative example 4:
After BUSS kneader blend granulation, all the other conditions are identical with comparative example 1 with the polypropylene in the comparative example 1, oxidation inhibitor uniform mixing.Concrete prescription and Mechanical test results are listed in table 1.
Table 1
| Embodiment 1 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Embodiment 2 | Embodiment 3 | Unit | Standard | |
| PP | 100 | 100 | 100 | 100 | 100 | 100 | 100 | -- | -- |
| SEBS | 20 | - | 33.3 | - | - | 24 | 12 | -- | -- |
| Grafting SEBS | 6.67 | - | - | - | - | 6.67 | 6.77 | -- | -- |
| The butylbenzene powdered rubber | 6.67 | - | - | 33.3 | -- | 2.66 | 14.66 | -- | -- |
| Oxidation inhibitor | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | -- | -- |
| EPR | - | 33.3 | - | - | - | - | - | -- | -- |
| Tensile strength | 19.8 | 22.6 | 19.6 | 19.1 | 27.44 | 21.6 | 20.1 | MPa | ASTM D638-02 |
| The breaking length rate | 464 | 260 | 518 | 84 | 140 | 396 | 301 | ％ | ASTM D638-02 |
| Izod shock strength (23 ℃) | 730 | 527 | 627 | 91.8 | 88.2 | 691 | 558 | J/m | ASTM D256-02 |
| Izod shock strength (30 ℃) | 130 | 75.9 | 95 | 27 | - | 109 | 98 | J/m | ASTM D256-02 |
| Flexural strength | 24.5 | 25.2 | 24.0 | 28 | - | 24.2 | 25.5 | MPa | ASTM D790-02 |
| Modulus in flexure | 933 | 929 | 930 | 1052 | 1420 | 928 | 956 | MPa | ASTM D790-02 |
| Covering with paint property (cross-hatching) | 100% nothing is peeled off | 100% peels off | 70% nothing is peeled off | 100% peels off | 100% peels off | 100% nothing is peeled off | 100% nothing is peeled off | -- | GB-T9286-1998 |
Compare with the polypropene composition in the comparative example 1,2,3, visible polypropene composition of the present invention is when increasing substantially impact, and rigidity incurs loss hardly.The spraying property of polypropene composition of the present invention obviously improves than the sprayability of comparative example composition simultaneously.
Claims (8)
1. but spray coating polypropylene composition comprises the following component of blend:
Acrylic resin 100 parts by weight
Thermoplastic elastomer 10～40 parts by weight
Thermoplastic elastomer grafts 2～15 parts by weight
Butylbenzene powdered rubber 6.67～20 parts by weight
Wherein said thermoplastic elastomer is a hydrogenated styrene-butadiene-styrene block copolymers; Wherein said thermoplastic elastomer grafts is the grafts of hydrogenated styrene-butadiene-styrene block copolymers and polar monomer; Wherein said butylbenzene powdered rubber is that gel content is 60wt% or styrene-butadiene rubber(SBR) particle higher, that median size is 50～150nm.
2. but spray coating polypropylene composition according to claim 1 is characterized in that comprising the following component of blend:
Acrylic resin 100 parts by weight
Thermoplastic elastomer 15～35 parts by weight
Thermoplastic elastomer grafts 3～10 parts by weight
Butylbenzene powdered rubber 6.67～15 parts by weight.
3. but according to each described spray coating polypropylene composition of claim 1～2, the rubber grain that it is characterized in that described butylbenzene powdered rubber is equal phase structure.
4. but spray coating polypropylene composition according to claim 3, the median size that it is characterized in that described butylbenzene powdered rubber is 70～100nm.
5. but spray coating polypropylene composition according to claim 3, the gel content that it is characterized in that described butylbenzene powdered rubber is 80wt% or higher.
6. but spray coating polypropylene composition according to claim 3 is characterized in that described butylbenzene powdered rubber is full sulfuration butylbenzene powdered rubber or cross-linking type butylbenzene powdered rubber.
7. but spray coating polypropylene composition according to claim 3 is characterized in that described polar monomer is maleic anhydride, glycidyl methacrylate or vinylformic acid.
8. but, but it is characterized in that acrylic resin is made described spray coating polypropylene composition with comprising the component melts blend of described thermoplastic elastomer, thermoplastic elastomer grafts and butylbenzene powdered rubber according to each described spray coating polypropylene preparation of compositions method of claim 1～7.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2003101032228A CN1297615C (en) | 2003-10-30 | 2003-10-30 | Sprayable polyethylene composition and its preparing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2003101032228A CN1297615C (en) | 2003-10-30 | 2003-10-30 | Sprayable polyethylene composition and its preparing method |
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| CN1297615C true CN1297615C (en) | 2007-01-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101684189B (en) * | 2008-09-28 | 2012-05-30 | 中国石油化工股份有限公司 | Sprayable and toughened polypropylene composition and preparation method thereof |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230164B (en) * | 2007-01-26 | 2011-11-30 | 中国石油化工股份有限公司 | Laser markable polyethylene composition and preparation method thereof |
| CN101270212B (en) * | 2007-03-22 | 2010-10-20 | 中国石油化工股份有限公司 | Polypropelene composition capable of making with laser and preparation method thereof |
| CN103805021A (en) * | 2012-11-15 | 2014-05-21 | 洛阳骏腾能源科技有限公司 | Macromolecular hot melt adhesive with self-repair function and manufacturing method thereof |
| CN112708192B (en) * | 2019-10-25 | 2022-09-20 | 中国石油化工股份有限公司 | Polypropylene/thermoplastic elastomer blend and preparation method and application thereof |
| CN116023736A (en) * | 2021-10-27 | 2023-04-28 | 中国石油化工股份有限公司 | Styrene-butadiene rubber/polypropylene thermoplastic elastomer composition, vulcanized styrene-butadiene rubber/polypropylene thermoplastic elastomer, preparation method and application |
| CN114380951B (en) * | 2021-12-28 | 2023-09-26 | 金发科技股份有限公司 | Polar component grafted polypropylene material and preparation method and application thereof |
| CN114395090A (en) * | 2022-02-18 | 2022-04-26 | 海信（山东）冰箱有限公司 | SBS-g-PS material, preparation method thereof and application thereof in low-temperature toughening modification of PP |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH06313082A (en) * | 1993-04-28 | 1994-11-08 | Tonen Chem Corp | Thermoplastic elastomer composition |
| CN1353136A (en) * | 2000-11-03 | 2002-06-12 | 中国石油化工股份有限公司 | High-rigidity high-toughness plastics and its preparing process |
| CN1408012A (en) * | 1999-12-08 | 2003-04-02 | 陶氏环球技术公司 | Propylene polymer composition |
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2003
- 2003-10-30 CN CNB2003101032228A patent/CN1297615C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06313082A (en) * | 1993-04-28 | 1994-11-08 | Tonen Chem Corp | Thermoplastic elastomer composition |
| CN1408012A (en) * | 1999-12-08 | 2003-04-02 | 陶氏环球技术公司 | Propylene polymer composition |
| CN1353136A (en) * | 2000-11-03 | 2002-06-12 | 中国石油化工股份有限公司 | High-rigidity high-toughness plastics and its preparing process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101684189B (en) * | 2008-09-28 | 2012-05-30 | 中国石油化工股份有限公司 | Sprayable and toughened polypropylene composition and preparation method thereof |
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| CN1611558A (en) | 2005-05-04 |
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