KR920012173A - 재생 고분자량 열가소성 수지 및 열가소성 수지의 재생방법 - Google Patents

재생 고분자량 열가소성 수지 및 열가소성 수지의 재생방법 Download PDF

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Publication number
KR920012173A
KR920012173A KR1019910022012A KR910022012A KR920012173A KR 920012173 A KR920012173 A KR 920012173A KR 1019910022012 A KR1019910022012 A KR 1019910022012A KR 910022012 A KR910022012 A KR 910022012A KR 920012173 A KR920012173 A KR 920012173A
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KR
South Korea
Prior art keywords
molecular weight
thermoplastic polyurethane
polyurethane resin
component
thermoplastic resin
Prior art date
Application number
KR1019910022012A
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English (en)
Inventor
더블류. 본크 헨리
티. 첸 어거스틴
에스. 얼릭 벤자민
Original Assignee
리챠드 지. 워터맨
더 다우 케미칼 캄파니
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 리챠드 지. 워터맨, 더 다우 케미칼 캄파니 filed Critical 리챠드 지. 워터맨
Publication of KR920012173A publication Critical patent/KR920012173A/ko

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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
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G71/00—Macromolecular compounds obtained by reactions forming a ureide or urethane link, otherwise, than from isocyanate radicals in the main chain of the macromolecule
    • C08G71/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Abstract

내용 없음

Description

재생 고분자량 열가소성 수지 및 열가소성 수지의 재생방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (4)

  1. 자유 이소시아네이트 그룹을 가지며 분자량이 100,000 내지 200,000인 열가소성 폴리우레탄 수지(1)과, 자유 활성 수소 그룹을 가지며 분자량이 30,000 내지 150,000인 격외된(off-grade) 열가소성 폴리우레탄 수지(2a); 및/또는 분자량이 30,000 내지 150,000인 열분괴된(degraded) 열가소성 폴리우레탄 수지(2b)를, 성분(2)에 대한 성분(1)의 비 0.25:1 내지 5:1로 포함하는 열가소성 폴리우레탄 수지의 물리적 혼합물.
  2. 제1항에 있어서, 성분(2)에 대한 성분(1)의 비가 1:1 내지 5:1인 혼합물.
  3. 제1항의 혼합물을 열적으로 가공함으로써 제조된, 좁은 분자량 분포 범위 및 양호한 물리적 성질을 갖는 재생 고분자량 열가소성 폴리우레탄 수지.
  4. 상당한 양의 자유 이소시아네이트 그룹을 가지며 분자량이 100,000 내지 200,000인 열가소성 폴리우레탄 수지(1)고 자유활성 수소 그룹을 가지며 분자량이 30,000 내지 150,000이 격외된 열가소성 폴리우레탄 수지(2a); 및/또는 분자량이 30,000 내지 150,000인 열붕괴된 열가소성 폴리우레탄 수지(2b)를 성분(2)에 대한 성분(1)의비 0.25 : 1내지 5 : 1로 포하하는 열가소성 폴리우레탄 수지의혼합물을 고분자량 성형품을 제조하기에 적합한 조건하에서 용융 및 성형시킴으로써, 용융 유동성이 보다 우수한 저분자량 수지를 사용하여 열적으로 가공된 고분자량 성형품을 제조하는 방법.
    ※ 참고사항; 최초출원 내용에 의하여 공개하는 것임.
KR1019910022012A 1990-12-04 1991-12-03 재생 고분자량 열가소성 수지 및 열가소성 수지의 재생방법 KR920012173A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/623,487 US5089571A (en) 1990-12-04 1990-12-04 Regenerated, high molecular weight, thermoplastic resins and process for regenerating thermoplastic resins
US07/623,487 1990-12-04

Publications (1)

Publication Number Publication Date
KR920012173A true KR920012173A (ko) 1992-07-25

Family

ID=24498265

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910022012A KR920012173A (ko) 1990-12-04 1991-12-03 재생 고분자량 열가소성 수지 및 열가소성 수지의 재생방법

Country Status (4)

Country Link
US (1) US5089571A (ko)
JP (1) JPH04293956A (ko)
KR (1) KR920012173A (ko)
CA (1) CA2056776A1 (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09505325A (ja) * 1993-11-26 1997-05-27 バイエル・アクチエンゲゼルシヤフト ヒドロキシル−およびイソシアネートポリウレタンの総合熱可塑性処理による熱可塑性ポリウレタンの製造方法
US5679756A (en) * 1995-12-22 1997-10-21 Optima Inc. Optical thermoplastic thiourethane-urethane copolymers
US6403748B1 (en) 2000-04-26 2002-06-11 Union Carbide Chemicals & Plastics Technology Corporation Enhancing production of resin withing specifications
US20080132591A1 (en) * 2006-12-01 2008-06-05 Lawrence Gary M Method of producing a thermoplastic polyurethane compound
ES2678422T3 (es) * 2008-05-23 2018-08-10 Lubrizol Advanced Materials, Inc. Materiales compuestos de TPU reforzados con fibras
US9273193B2 (en) 2010-09-25 2016-03-01 Nike, Inc. Regrind polyurethane with glycol or polyol additive
CN109071804B (zh) * 2016-04-20 2022-01-11 Jsr株式会社 聚合物、组合物、成形体、硬化物以及层叠体
CN111108816A (zh) 2017-09-15 2020-05-05 Jsr株式会社 电路基板
US20210017326A1 (en) * 2018-03-13 2021-01-21 Basf Se Thermoplastic polyurethane from recycled raw materials

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL89565C (ko) * 1955-06-27 1900-01-01
CA1000440A (en) * 1971-03-08 1976-11-23 Mobay Chemical Company (A Division Of Baychem Corporation) Thermoplastic blends of hard and soft polyurethanes
US3738946A (en) * 1971-08-05 1973-06-12 Upjohn Co Conversion of scrap polyurethane foam to polyol
DE2951617C2 (de) * 1979-12-21 1985-08-14 Wilhelm Prof. Dr.-Ing. 5100 Aachen Schütz Verfahren und Anlage zur Aufbereitung von Polyurethan
US4822827A (en) * 1987-12-17 1989-04-18 The Dow Chemical Company Thermoplastic polyurethanes with high glass transition temperatures
JP3883221B2 (ja) * 1995-08-03 2007-02-21 ダイセル化学工業株式会社 アセトアルデヒドの分離除去方法

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Publication number Publication date
CA2056776A1 (en) 1992-06-05
US5089571A (en) 1992-02-18
JPH04293956A (ja) 1992-10-19

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