KR101669933B1 - 저온에서의 충격강도를 개선한 용기 및 그 제조방법 - Google Patents
저온에서의 충격강도를 개선한 용기 및 그 제조방법 Download PDFInfo
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- KR101669933B1 KR101669933B1 KR1020150031725A KR20150031725A KR101669933B1 KR 101669933 B1 KR101669933 B1 KR 101669933B1 KR 1020150031725 A KR1020150031725 A KR 1020150031725A KR 20150031725 A KR20150031725 A KR 20150031725A KR 101669933 B1 KR101669933 B1 KR 101669933B1
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- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
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- PSIQSMXODVNUAM-UHFFFAOYSA-N ethene;2-methylprop-1-ene Chemical compound C=C.CC(C)=C PSIQSMXODVNUAM-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
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- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
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- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 229910052623 talc Inorganic materials 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber; Homopolymers or copolymers of other iso-olefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/24—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having ten or more carbon atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/10—Applications used for bottles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2207/04—Thermoplastic elastomer
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Abstract
상기와 같이 구성되는 본 발명의 저온에서의 충격강도를 개선한 용기 및 그 제조방법은 폴리프로필렌에 열가소성 엘라스토마 화합물과, 이들 화합물의 상용성을 향상시키기 위하여 상용화제 및 분산제를 사용하였으며 금속염을 핵제로 사용하여 폴리머의 결정화를 촉진시키고 결정의 크기를 미세화시켜서 투명성을 향상시켰으며 결정화 속도를 증가시킴으로써 기계적 물성을 향상시고, 특히 0℃ 이하의 냉장고나 저온의 환경에 용기를 보관하였다가 용기를 사용하기 위하여 또는 용기를 옮기기 위하여 이동하다가 바닥에 떨어뜨릴 경우 용기가 파손되는 것을 방지할 수 있도록 저온에서의 충격강도를 개선하는 효과가 있다.
Description
항목 | 단위 | 실시예1 | 비교예1 | 비교예2 | 비교예3 | 비교예4 |
저온 충격시 파손 여부 |
4℃ | 0/10 | 8/10 | 2/10 | 2/10 | 2/10 |
0℃ | 0/10 | 10/10 | 3/10 | 4/10 | 3/10 | |
-2℃ | 0/10 | 10/10 | 3/10 | 5/10 | 4/10 | |
항복응력 | kgf/㎠ | 380 | 250 | 320 | 330 | 320 |
파단신율 | % | 480 | 360 | 410 | 460 | 440 |
굴곡탄성율 | kgf/㎠ | 15,000 | 16,000 | 14,000 | 13,000 | 14,000 |
열변형온도 | ℃ | 105 | 105 | 105 | 105 | 105 |
투명성 (HAZE) |
% | 10 | 12 | 13 | 23 | 20 |
Claims (9)
- 폴리올레핀계 수지와 열가소성 엘라스토마 화합물을 브렌드(blend)하고, 상용화제 및 분산제와 핵제를 부가하여 제조된 것인 폴리프로필렌 용기에 있어서,
상기 폴리올레핀계 수지로는 용융지수가 0.1 내지 10g/10분 범위이고 밀도가 0.88 내지 0.98㎏/㎥인 폴리프로필렌 수지를 사용하고, 상기 열가소성 엘라스토마 화합물은 용융지수가 0.5 내지 10g/10분이고 밀도가 0.91 내지 0.95㎏/㎥인 것을 사용하며,
상기 상용화제 및 분산제로는 에칠렌비닐 알콜계 화합물과 알킬메타크릴 레이트 화합물이 1:1의 중량비율로 혼합된 것을 폴리올레핀 수지 총 사용량의 0.1 내지 2중량%를 사용하고, 상기 핵제는 알킬아릴 에테르 인산염을 사용한 것임을 특징으로 하는 저온에서의 충격강도를 개선한 용기
- 제1항에 있어서, 상기 열가소성 엘라스토마 화합물은 알파 올레핀 화합물로서 1-부텐 에틸렌-알파 올레핀 공중합체와 1-데센 에틸렌-알파 올레핀 공중합체를 혼합한 것임을 특징으로 하는 저온에서의 충격강도를 개선한 용기.
- 제2항에 있어서, 상기 알파 올레핀 화합물을 구성하는 1-부텐 에틸렌-알파 올레핀 공중합체 : 1-데센 에틸렌-알파 올레핀 공중합체의 혼합비율은 1:9 내지 7:3으로 됨을 특징으로 하는 저온에서의 충격강도를 개선한 용기.
- 삭제
- 삭제
- 삭제
- 제1항에 있어서, 상기 핵제인 알킬아릴 에테르 인산염은 폴리올레핀 수지 총 사용량의 0.1 내지 1 중량%를 사용한 것임을 특징으로 하는 저온에서의 충격강도를 개선한 용기.
- 폴리올레핀계 수지로서 용융지수가 0.1 내지 10g/10분 범위이고 밀도가 0.88 내지 0.98㎏/㎥인 폴리프로필렌 수지에 용융지수가 0.5 내지 10g/10분이고 밀도가 0.91 내지 0.95㎏/㎥인 열가소성 엘라스토마 화합물을 브렌드(blend)하고, 상용화제 및 분산제와 핵제를 부가하여 충격강도를 개선한 용기의 제조방법으로서,
상기 제조방법은 폴리프로필렌 수지에 열가소성 엘라스토마 수지와 상용화제 및 분산제, 핵제를 믹서(MIXER)에서 미리 혼합한 후 성형기 호퍼에 투입하여 용기로 블로우(BLOW) 성형하거나; 상기 각각의 수지를 사이드 피더(SIDE FEEDER)를 이용하여 공급하여 블로우(BLOW) 성형하거나; 또는 에틸렌-알파 올레핀 공중합물에 폴리올레핀 수지와 분산제 및 핵제를 혼합하여 압출기에서 마스타 배치(MASTER BATCH)를 제조 후 폴리올레핀 수지와 혼합하여 투입하거나 사이드 피터를 이용하여 공급하여 블로우(BLOW) 성형하는 방법의 하나를 선택하여 제조하고,
여기서 상기 상용화제 및 분산제로는 에칠렌비닐 알콜계 화합물과 알킬메타크릴 레이트 화합물이 1:1의 중량비율로 혼합된 것을 폴리올레핀 수지 총 사용량의 0.1 내지 2중량%를 사용하고, 상기 핵제는 알킬아릴 에테르 인산염을 사용한 것임을 특징으로 하는 저온에서의 충격강도를 개선한 용기의 제조방법.
- 제8항에 있어서, 상기 마스타 배치로의 제조는 에틸렌-알파 올레핀 공중합물이 50중량% 함유하도록 제조하고, 그의 사용량은 에틸렌-알파 올레핀 공중합물의 순 농도로 환산시 폴리프로필렌 수지의 15중량%로 되도록 사용하는 것을 특징으로 하는 저온에서의 충격강도를 개선한 용기의 제조방법.
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