KR100333405B1 - 폴리올레핀 발포체 입자의 제조방법 - Google Patents
폴리올레핀 발포체 입자의 제조방법 Download PDFInfo
- Publication number
- KR100333405B1 KR100333405B1 KR1020000001578A KR20000001578A KR100333405B1 KR 100333405 B1 KR100333405 B1 KR 100333405B1 KR 1020000001578 A KR1020000001578 A KR 1020000001578A KR 20000001578 A KR20000001578 A KR 20000001578A KR 100333405 B1 KR100333405 B1 KR 100333405B1
- Authority
- KR
- South Korea
- Prior art keywords
- blowing agent
- water
- tank
- foaming
- resin particles
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3461—Making or treating expandable particles
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/16—Making expandable particles
- C08J9/18—Making expandable particles by impregnating polymer particles with the blowing agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
- B29C44/3446—Feeding the blowing agent
- B29C44/3453—Feeding the blowing agent to solid plastic material
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Description
Claims (4)
- (a) 고압용기에 폴리올레핀 수지입자와 물과 발포제를 넣고 교반하면서 가열하여 발포제를 수지입자의 내부로 침투시키는 발포제침투단계와;(b) 고압용기의 내부에 물 또는 발포제가 용해된 물을 주입하여 용기의 상부공간에 기체상태로 존재하는 발포제를 배출시켜 회수하는 기체분리단계와;(c) 고압용기의 내부에 고압기체를 주입하여 발포제가 용해된 물을 배출시켜 회수하는 액체분리단계와;(d) 수지입자를 (c)단계에서 고압용기의 내부에 채워진 고압기체와 함께 용기 외부로 배출시켜 감압시킴으로써 발포시키는 감압발포단계로 이루어지는 폴리올레핀 발포체 입자의 제조방법.
- 제1항에 있어서, 폴리올레핀 수지가 폴리에틸렌, 폴리프로필렌, 에틸렌-프로필렌 공중합체, 에틸렌-프로필렌-1-부텐 공중합체 또는 에틸렌-프로필렌-부타디엔 공중합체에서 선택되는 것을 특징으로 하는 폴리올레핀 발포체 입자의 제조방법.
- 제1항에 있어서, 발포제가 트리클로로플루오로메탄, 디클로로디플루오로메탄, 부탄, 펜탄, 이산화탄소 또는 이들의 혼합물에서 선택되는 것을 특징으로 하는폴리올레핀 발포체 입자의 제조방법.
- 제1항에 있어서 고압기체가 질소, 공기, 이산화탄소 또는 이들의 혼합물에서 선택되는 것을 특징으로 하는 폴리올레핀 발포체 입자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000001578A KR100333405B1 (ko) | 2000-01-13 | 2000-01-13 | 폴리올레핀 발포체 입자의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000001578A KR100333405B1 (ko) | 2000-01-13 | 2000-01-13 | 폴리올레핀 발포체 입자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010073312A KR20010073312A (ko) | 2001-08-01 |
KR100333405B1 true KR100333405B1 (ko) | 2002-04-25 |
Family
ID=19638405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000001578A KR100333405B1 (ko) | 2000-01-13 | 2000-01-13 | 폴리올레핀 발포체 입자의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100333405B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030083270A (ko) * | 2002-04-20 | 2003-10-30 | 하오기술 주식회사 | 균일한 발포비를 가지는 폴리올레핀 발포입자의 제조방법 |
KR100902331B1 (ko) * | 2008-02-29 | 2009-06-12 | 하오기술 주식회사 | 폴리올레핀계 발포 입자의 제조방법 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5831722A (ja) * | 1981-08-20 | 1983-02-24 | Daisen Kogyo:Kk | 合成樹脂の発泡成形法および発泡成形装置 |
JPH03199242A (ja) * | 1989-12-27 | 1991-08-30 | Sanwa Kako Kk | ポリビニルアセタール系スポンジの製造方法 |
JPH11106557A (ja) * | 1997-10-07 | 1999-04-20 | Stylo Japan:Kk | 発泡ポリスチレンの再生処理設備 |
-
2000
- 2000-01-13 KR KR1020000001578A patent/KR100333405B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5831722A (ja) * | 1981-08-20 | 1983-02-24 | Daisen Kogyo:Kk | 合成樹脂の発泡成形法および発泡成形装置 |
JPH03199242A (ja) * | 1989-12-27 | 1991-08-30 | Sanwa Kako Kk | ポリビニルアセタール系スポンジの製造方法 |
JPH11106557A (ja) * | 1997-10-07 | 1999-04-20 | Stylo Japan:Kk | 発泡ポリスチレンの再生処理設備 |
Also Published As
Publication number | Publication date |
---|---|
KR20010073312A (ko) | 2001-08-01 |
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