KR100792111B1 - 내크리프 특성을 갖는 파이프용 폴리에틸렌 수지조성물 - Google Patents
내크리프 특성을 갖는 파이프용 폴리에틸렌 수지조성물 Download PDFInfo
- Publication number
- KR100792111B1 KR100792111B1 KR1020010082549A KR20010082549A KR100792111B1 KR 100792111 B1 KR100792111 B1 KR 100792111B1 KR 1020010082549 A KR1020010082549 A KR 1020010082549A KR 20010082549 A KR20010082549 A KR 20010082549A KR 100792111 B1 KR100792111 B1 KR 100792111B1
- Authority
- KR
- South Korea
- Prior art keywords
- polyethylene
- pipes
- weight
- resin composition
- unsaturated carboxylic
- Prior art date
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/083—Copolymers of ethene with aliphatic polyenes, i.e. containing more than one unsaturated bond
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Abstract
Description
Claims (7)
- (A) ASTM D1505에 따라 23℃에서 측정했을 때 표준밀도가 930kg/㎥ ∼ 1000kg/㎥ 인 폴리에틸렌 100중량부, (B) 탈크 0.01∼5중량부, (C) 에틸렌계 불포화 카르복실산, 에틸렌계 불포화 카르복실산 에스테르 및 에틸렌계 불포화 카르복실산 안하이드라이드로 이루어진 군에서 선택된 1 종 이상의 그라프팅 단량체가 폴리에틸렌 주쇄에 그라프팅된 상용화제 0.01∼20중량부를 포함하는 파이프용 폴리에틸렌 수지 조성물.
- 제 1항에 있어서, (B)탈크가 층상 조직이며, 1~15 ㎛의 평균입자 크기를 가짐을 특징으로 하는 파이프용 폴리에틸렌 수지 조성물.
- 제 1항 있어서, 상기 (A)폴리에틸렌은 ASTM D1238에 따라 5kg의 하중하에 190℃에서 측정했을 때, 용융 지수가 3g/10분 이하이고, 표준 밀도가 930kg/㎥∼965kg/㎥ 인 것을 특징으로 하는 파이프용 폴리에틸렌 수지 조성물.
- 제 3항에 있어서, 상기 (A)폴리에틸렌이 0.05~5몰%의 부텐 또는 헥센을 함유하는 에틸렌 공중합체인 것을 특징으로 하는 파이프용 폴리에틸렌 수지 조성물.
- 제 1항 있어서, 상기 조성물이 930kg/㎥ ∼1000kg/㎥의 표준밀도, ASTM D1238에 따라 5kg 하중하에 190℃에서 측정시 0.07g/10분 ∼ 3g/10분의 용융지수를 가짐을 특징으로 하는 파이프용 폴리에틸렌 수지 조성물.
- 제 1항 내지 제 5항 중 어느 한 항에 따른 조성물로 압출 성형된 파이프.
- 제 1항 내지 제 5항 중 어느 한 항에 따른 조성물로 사출 성형된 파이프.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010082549A KR100792111B1 (ko) | 2001-12-21 | 2001-12-21 | 내크리프 특성을 갖는 파이프용 폴리에틸렌 수지조성물 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010082549A KR100792111B1 (ko) | 2001-12-21 | 2001-12-21 | 내크리프 특성을 갖는 파이프용 폴리에틸렌 수지조성물 |
Publications (2)
Publication Number | Publication Date |
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KR20030052546A KR20030052546A (ko) | 2003-06-27 |
KR100792111B1 true KR100792111B1 (ko) | 2008-01-04 |
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Family Applications (1)
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KR1020010082549A KR100792111B1 (ko) | 2001-12-21 | 2001-12-21 | 내크리프 특성을 갖는 파이프용 폴리에틸렌 수지조성물 |
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KR (1) | KR100792111B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100920513B1 (ko) | 2003-04-11 | 2009-10-08 | 삼성토탈 주식회사 | 고압 파이프용 폴리에틸렌 수지조성물 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100531249B1 (ko) * | 2003-12-04 | 2005-11-28 | 삼성토탈 주식회사 | 충격강도가 우수한 폴리에틸렌 수지조성물 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5631069A (en) * | 1994-05-09 | 1997-05-20 | The Dow Chemical Company | Medium modulus molded material comprising substantially linear polyethlene and fabrication method |
US6054529A (en) * | 1997-04-08 | 2000-04-25 | The Procter & Gamble Co. | Blends of and methods of blending EVOH polymers and ethylene based polymers having improved environmental stress cracking or environmental fatigue resistance, and products therefrom |
KR20010085372A (ko) * | 1999-06-17 | 2001-09-07 | 나까니시 히로유끼 | 에틸렌 (공)중합체 및 그 용도 |
US20010053821A1 (en) * | 2000-03-24 | 2001-12-20 | Atofina | Coextrusion binder based on cografted metallocene polyethylene |
-
2001
- 2001-12-21 KR KR1020010082549A patent/KR100792111B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5631069A (en) * | 1994-05-09 | 1997-05-20 | The Dow Chemical Company | Medium modulus molded material comprising substantially linear polyethlene and fabrication method |
US6054529A (en) * | 1997-04-08 | 2000-04-25 | The Procter & Gamble Co. | Blends of and methods of blending EVOH polymers and ethylene based polymers having improved environmental stress cracking or environmental fatigue resistance, and products therefrom |
KR20010085372A (ko) * | 1999-06-17 | 2001-09-07 | 나까니시 히로유끼 | 에틸렌 (공)중합체 및 그 용도 |
US20010053821A1 (en) * | 2000-03-24 | 2001-12-20 | Atofina | Coextrusion binder based on cografted metallocene polyethylene |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100920513B1 (ko) | 2003-04-11 | 2009-10-08 | 삼성토탈 주식회사 | 고압 파이프용 폴리에틸렌 수지조성물 |
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KR20030052546A (ko) | 2003-06-27 |
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