KR970704006A - Propylene Polymer Compositions, Methods Therefor, and Articles There from - Google Patents

Propylene Polymer Compositions, Methods Therefor, and Articles There from Download PDF

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KR970704006A
KR970704006A KR1019960707033A KR19960707033A KR970704006A KR 970704006 A KR970704006 A KR 970704006A KR 1019960707033 A KR1019960707033 A KR 1019960707033A KR 19960707033 A KR19960707033 A KR 19960707033A KR 970704006 A KR970704006 A KR 970704006A
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propylene
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polymer composition
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ethylene
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브루스 카덕
케이스 다위스
죠지 피에스락
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허버트 지, 버커드
레이켐 코포레이션
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    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
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Abstract

효율적으로 방사 교차결합이 가능한 프로필렌 폴리머 조성물이 개시되어 있따. 이러한 교차결합된 조성물은 현저하게 개선된 성질들을 가지며 열적으로 복원가능한 제품으로 제조될 수 있다.Propylene polymer compositions are disclosed which are capable of efficient crosslinking of radiation. Such crosslinked compositions have significantly improved properties and can be made into a thermally recoverable product.

Description

프로필렌 폴리머 조성물, 이의 제조방법 및 이로부터 제조된 제품(Propylene Polymer Compositions, Methods Therefor, and Articles There from)Propylene Polymer Compositions, Methods Therefor, and Articles There from

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (17)

하기 (a) 및 (b) 단계를 포함하는 것을 특징으로 하는, 높은 열모듈러스와 연신율을 가지며 치수복원가능한 제품을 제조하기에 적합한 교차결합된 프로필렌 폴리머 조성물의 제조방법: (a) 결정성 프로필렌 블록을 가지며, (i) 적어도 80의 이소택틱지수를 갖는 프로필렌 호모폴리머(A) 또는 적어도 85의 이소택틱지수를 갖고 코폴리머의 중량에 의거하여 적어도 85중량%의 프로필렌을 함유하는 결정성 프로필렌-에틸렌 코폴리머(B)인 제1성분 10~60 중량부와, (ii) 제2성분의 중량에 의거하여 15~70중량%의 에틸렌을 함유하는 에틸렌과 프로필렌의 코풀리머인 제2성분 5-90 중량부를 포함하는 프로필렌 폴리머 조성물의 제공단계; (b) 200℃에서 적어도 5psi의 열 모듈러스와 적어도 150%의 연신율을 갖는 교차결합된 프로필렌 폴리머 조성물을 제공하기 위한 고에너지 방사에 의한 프로필렌 폴리머 조성물의 교차결합단계.A process for preparing a crosslinked propylene polymer composition suitable for preparing a dimensionally recoverable product having high thermal modulus and elongation, comprising steps (a) and (b): (a) a crystalline propylene block (I) propylene homopolymer (A) having an isotactic index of at least 80 or crystalline propylene-ethylene having at least 85 isotactic index and containing at least 85% by weight of propylene based on the weight of the copolymer; 10-60 weight part of 1st components which are copolymers (B), and (ii) 2nd component 5- which is a co-fulomer of ethylene and propylene containing 15-70 weight% of ethylene based on the weight of a 2nd component. Providing a propylene polymer composition comprising 90 parts by weight; (b) crosslinking the propylene polymer composition by high energy spinning to provide a crosslinked propylene polymer composition having a thermal modulus of at least 5 psi and an elongation of at least 150% at 200 ° C. 제 1 항에 있어서, 프로필렌 폴리머 조성물은, 에틸렌 반복단위를 함유하는 폴리머로서 25℃에서 크실렌에 불용성인 제3성분을 5~40 중량부 더 포함하는 것임을 특징으로 하는 제조방법.The method according to claim 1, wherein the propylene polymer composition further comprises 5 to 40 parts by weight of a third component which is insoluble in xylene at 25 ° C as a polymer containing an ethylene repeating unit. 제 1 항에 있어서, 폴리머 조성물은 실질적으로 탄소-탄소 불포화가 없는 것임을 특징으로 하는 제조방법.The method of claim 1 wherein the polymer composition is substantially free of carbon-carbon unsaturation. 제 1 항에 있어서, 제2성분은 25℃에서 크실렌에 가용성인 것임을 특징으로 하는 제조방법.A process according to claim 1 wherein the second component is soluble in xylene at 25 ° C. 제 1 항에 있어서, 폴리머 조성물은 115~125℃의 결정성 녹는점과 더 큰 발열성을 나타내는 것을 155~165℃의 결정성 녹는점을 갖는 것임을 특징으로 하는 제조방법.2. The process according to claim 1, wherein the polymer composition has a crystalline melting point of 115 to 125 DEG C and a crystalline melting point of 155 to 165 DEG C, which shows greater exothermicity. 제 1 항에 있어서, 트리알릴, 시아누레이트, 트리알릴 이소시아누레이트, 트리아릴트리멜리테이트, 트리알릴트리메세이트, 테트라일릴피로멜리테이트, 1,1,3-트리메틸-5-카르복시-3-(파라-카르복시페닐)인단의 디알릴에스테르, 디알릴아디페이트, 디알릴프탈레이트, 디알릴이소프탈레이트, 디알릴테레프탈레이트, 1,4-부틸렌글리콜디메타크릴레이트, 트리메틸올프로판 트리메타크릴레이트, 펜타에리트리톨트리메타크릴레이트, 글리세롤프로폭시 트리메타크릴레이트, 액체 폴리(1,2-부타디엔), 트리-(2-아크릴옥시에틸)이소시아누레이트, 트리-(2-메타크릴옥시에틸)이소시아누레이트 및 이들의 컴비네이션으로 이루어진 군으로 부터 선택된 방사 가교 프로모터는 고 에너지 방사에 노출되기 전에 프로필렌 폴리머와 친밀하게 혼합되는 것을 특징으로 하는 제조방법.The method of claim 1, wherein the triallyl, cyanurate, triallyl isocyanurate, triaryl trimellitate, triallyl trimesate, tetraylyl pyromellitate, 1,1,3-trimethyl-5-carboxy- Diallyl ester of 3- (para-carboxyphenyl) indane, diallyl adipate, diallyl phthalate, diallyl isophthalate, diallyl terephthalate, 1,4-butylene glycol dimethacrylate, trimethylolpropane trimeta Acrylate, pentaerythritol trimethacrylate, glycerol propoxy trimethacrylate, liquid poly (1,2-butadiene), tri- (2-acryloxyethyl) isocyanurate, tri- (2-methacryl The radiation crosslinking promoter selected from the group consisting of oxyethyl) isocyanurate and combinations thereof is characterized in that it is intimately mixed with the propylene polymer prior to exposure to high energy radiation. Manufacturing method. 제 1 항에 있어서, 고 에너지 방사는 전자비임 방사인 것을 특징으로 하는 제조방법.The method of claim 1 wherein the high energy radiation is electron beam radiation. 제 1 항에 있어서, 가교 프로필렌 폴리머 조성물은 적어도 25psi의 열 모듈러스와 적어도 250%의 연실율을 갖는 것임을 특징으로 하는 제조방법.The method of claim 1 wherein the crosslinked propylene polymer composition has a thermal modulus of at least 25 psi and a burn rate of at least 250%. 제 1 항에 있어서, 프로필렌 폴리머조성물은 에틸렌 코폴리머, EPDN 고무, 선형의 중밀도 폴리에틸렌, 선형의 저밀도 폴리에틸렌, 고밀도 폴리에틸렌 및 이들의 컴비네이션으로 이루어진 군으로 부터 선택되는 폴리머와 결합되는 것을 특징으로 하는 제조방법.The process of claim 1 wherein the propylene polymer composition is combined with a polymer selected from the group consisting of ethylene copolymers, EPDN rubber, linear medium density polyethylene, linear low density polyethylene, high density polyethylene, and combinations thereof. Way. 제 1 항에 있어서, 프로필렌 폴리머 조성물은 (a) (펜타에리트리틸 테트라키스-3-(3,5-디-터트-부틸-4-하이드록시페닐)프로피오네이트와 디스테아릴티오디프로피오네이트, (b) 올리고머화 4,4′-티오비스(2-(1,1-디메틸에틸)-5-메틸페놀)과 디스테아릴 티오디프로피오네이트, (c) (펜타에리트리틸 테트라키스-3-(3,5-디-터트-부틸-4-하이드록시페닐)프로피오네이트와 티오디프로피오네이트 폴리에스테르 및 (d) 올리고머화 4,4′-티오비스(2-(1,1-디메틸에틸)-5-메틸페놀)과 티오디프로피오네이트 폴리에스테르로 이루어진 군으로 부터 선택되는 안정화제 패키지를 더 포함하는 것임을 특징으로 하는 제조방법.The propylene polymer composition of claim 1, wherein the propylene polymer composition comprises (a) (pentaerythryl tetrakis-3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate and distearylthiodipropio , (B) oligomerized 4,4′-thiobis (2- (1,1-dimethylethyl) -5-methylphenol) and distearyl thiodipropionate, (c) (pentaerythryl tetra Kis-3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate and thiodipropionate polyester and (d) oligomerized 4,4′-thiobis (2- (1 , 1-dimethylethyl) -5-methylphenol) and a thiodipropionate polyester. The method of claim 1, further comprising a stabilizer package selected from the group consisting of polyesters. 하기 (a)~(f) 단계들을 포함하는 것을 특징으로 하는 치수복원가능한 제품의 제조방법 :(a) 결정성 프로필렌 블록을 가지며, (i) 적어도 80의 이소택틱 지수를 갖는 프로필렌 호모폴리머(A) 또는 적어도 85의 이소택틱 지수를 갖고 코폴리머의 중량에 의거하여 적어도 85중량%의 프로필렌을 함유하는 결정성 프로필렌-에틸렌 코폴리머(B)인 제1성분 10~60중량부와, (ii) 제2성분의 중량에 의거하여 15~70 중량%의 에틸렌을 함유하는 에틸렌과 프로필렌의 코폴리머인 제2성분 5~90 중량부를 포함하는 프로필렌 폴리머 조성물의 제공단계; (b) 프로필렌 폴리머 조성물을 성형품으로 성형하는 단계; (c) 200℃에서 적어도 5 psi의 열모듈러스와 적어도 150%의 연신율을 갖는 교차결합된 프로필렌 폴리머 조성물을 제공하기 위한 고에너지 방사에 의한 프로필렌 폴리머 조성물의 교차결합단계; (d) 성형폼을 프로필렌 블록의 결정성 녹는점 이상의 높은 온도로 가열하는 단계; (e) 상기의 높은 온도에서 상기 성형폼을 변형상태로 변형시키는 단계; (f) 억제수단이 제거되어도 성형품의 변형상태가 유지될 수 있도록 프로필렌 블록의 결정성 녹는점 미만의 온도로 낮아질때까지, 성형품의 변형상태를 유지시키는 억제수단을 적용한 상태에서 성형품을 냉각시키는 단계.A process for producing a dimensionally recoverable product, comprising the following steps (a) to (f): (a) a propylene homopolymer (A) having a crystalline propylene block, and (i) having an isotactic index of at least 80 Or 10 to 60 parts by weight of a first component which is a crystalline propylene-ethylene copolymer (B) having an isotactic index of at least 85 and containing at least 85% by weight propylene based on the weight of the copolymer, and (ii) Providing a propylene polymer composition comprising 5 to 90 parts by weight of the second component which is a copolymer of ethylene and propylene containing 15 to 70% by weight of ethylene based on the weight of the second component; (b) molding the propylene polymer composition into a molded article; (c) crosslinking the propylene polymer composition by high energy spinning to provide a crosslinked propylene polymer composition having a thermal modulus of at least 5 psi and an elongation of at least 150% at 200 ° C; (d) heating the forming foam to a temperature above the crystalline melting point of the propylene block; (e) deforming the molded foam to a deformed state at the high temperature; (f) cooling the molded article with the application of the restraining means for maintaining the deformed state of the molded article until the temperature is lower than the crystalline melting point of the propylene block so that the deformed state of the molded article can be maintained even if the restraining means is removed. . 하기 (a) 및 (b)의 성분을 함유하며, 고에너지 방사에 노출되므로서 교차결합되고, 교차결합 후 200℃에서 적어도 5 psi의 열 모듈러스와 적어도 150%의 연신율을 갖는 것을 특징으로 하는, 높은 열 모듈러스와 연신율을 가지며 치수복원가능한 제품을 제조하기에 적합한 물질의 조성물: (a) 결정성 프로필렌 블록을 가지며, (i) 적어도 80의 이소택틱 지수를 갖는 프로필렌 호모폴리머(A) 또는 적어도 85의 이소택틱지수를 갖는 코폴리머의 중량에 의거하여 적어도 85중량%의 프로필렌을 함유하는 결정성 프로필렌-에틸렌 코폴리머(B)인 제1성분 10~60 중량부와, (ii) 제2성분의 중량에 의거하여 15-70중량%의 에틸렌을 함유하는 에틸렌과 프로필렌의 코폴리머인 제2성분 5~90중량부를 포함하는 프로필렌 폴리머 조성물; (b) 유효량의 방사교차결합 촉진제.Containing the components of (a) and (b), characterized in that they are crosslinked upon exposure to high energy radiation and have a thermal modulus of at least 5 psi and an elongation of at least 150% at 200 ° C. after crosslinking, Compositions of materials having high thermal modulus and elongation and suitable for producing dimensionally recoverable products: (a) propylene homopolymers (A) or at least 85 having crystalline propylene blocks and (i) isotactic indices of at least 80; 10 to 60 parts by weight of the first component which is a crystalline propylene-ethylene copolymer (B) containing at least 85% by weight of propylene based on the weight of the copolymer having an isotactic index of (ii), and (ii) A propylene polymer composition comprising 5 to 90 parts by weight of a second component which is a copolymer of ethylene and propylene containing 15 to 70% by weight of ethylene based on weight; (b) an effective amount of radiocrosslinking accelerator. 제 12 항에 있어서, 적어도 상응하는 교차결합되지 않은 조성물의 인장강도 및 연신율의 크기를 갖는 것을 특징으로 하는 물질의 조성물.13. The composition of matter of claim 12, having at least a magnitude of tensile strength and elongation of the corresponding uncrosslinked composition. 제 12 항에 있어서, 유효량의 산화방지제를 더 포함하며, 130℃에서 1주 동안의 열노화 직후 적어도 교차결합 후의 연실율 크기의 1/2을 보유하는 것을 특징으로 하는 물질의 조성물.13. The composition of matter of claim 12, further comprising an effective amount of an antioxidant and having at least one half of the magnitude of the burn rate after crosslinking immediately after thermal aging at 130 ° C. for one week. 제 12 항에 있어서, 적어도 100%의 연신율과 적어도 900psi의 인장강도를 갖는 것을 특징으로 하는 물질의 조성물.13. The composition of matter of claim 12, having an elongation of at least 100% and a tensile strength of at least 900 psi. 제 12 항에 따른 물질의 조성물로 제조되는 것을 특징으로 하는 치수복원 가능한 제품.A dimensionally recoverable product made from the composition of matter according to claim 12. 하기 (a) 성분과 (b) 성분을 포함하는 것을 특징으로 하는 컴비네이션.A combination comprising the following (a) component and (b) component. (a) 결정성 프로필렌 블록을 가지며, (i)적어도 80의 이소택틱 지수를 갖는 프로필렌 호모폴리머(A) 또는 적어도 85의 이소택틱지수를 갖고 코폴리머의 중량에 의거하여 적어도 85중량%의 프로필렌을 함유하는 결정성 프로필렌-에틸렌 코폴리머(B)인 제1성분 10~60중량부와, (ii) 제2성분의 중량에 의거하여 15~70 중량%의 에틸렌을 함유하는 에틸렌과 프로필렌의 코폴리머인 제2성분 5~90 중량부를 포함하는 프로필렌 폴리머 조성물; (b) 프로필렌 폴리머 조성물이 고에너지 방사에 노출되므로써 교차결합되도록하고, 교차결합 후 200℃에서 적어도 5psi의 열모듈러스와 적어도 150%의 연신율을 갖도록 하는 유효량의 방사교차결합촉진제.(a) at least 85% by weight of propylene having a crystalline propylene block, (i) a propylene homopolymer (A) having an isotactic index of at least 80 or an isotactic index of at least 85 and based on the weight of the copolymer Copolymer of ethylene and propylene containing 10 to 60 parts by weight of the first component which is a crystalline propylene-ethylene copolymer (B) to contain, and (ii) 15 to 70% by weight of ethylene based on the weight of the second component. Propylene polymer composition comprising 5 to 90 parts by weight of the phosphorus second component; (b) an effective amount of radiocrosslinking accelerator to allow the propylene polymer composition to crosslink upon exposure to high energy radiation and to have a thermal modulus of at least 5 psi and an elongation of at least 150% at 200 ° C. after crosslinking. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960707033A 1994-06-10 1995-06-05 Propylene Polymer Compositions, Methods Therefor, and Articles There from KR970704006A (en)

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