EP0914368A1 - Schaumbare polyvinylalkohol zusammensetzung - Google Patents

Schaumbare polyvinylalkohol zusammensetzung

Info

Publication number
EP0914368A1
EP0914368A1 EP97934649A EP97934649A EP0914368A1 EP 0914368 A1 EP0914368 A1 EP 0914368A1 EP 97934649 A EP97934649 A EP 97934649A EP 97934649 A EP97934649 A EP 97934649A EP 0914368 A1 EP0914368 A1 EP 0914368A1
Authority
EP
European Patent Office
Prior art keywords
polyvinyl alcohol
blend
irradiation
water
extruder
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP97934649A
Other languages
English (en)
French (fr)
Inventor
Paul Taylor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Polyval PLC
Original Assignee
Polyval PLC
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.)
Filing date
Publication date
Application filed by Polyval PLC filed Critical Polyval PLC
Publication of EP0914368A1 publication Critical patent/EP0914368A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C08J9/125—Water, e.g. hydrated salts
    • 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
    • C08K5/053—Polyhydroxylic alcohols
    • 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
    • C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
EP97934649A 1996-08-05 1997-08-05 Schaumbare polyvinylalkohol zusammensetzung Withdrawn EP0914368A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9616460 1996-08-05
GB9616460A GB2316080A (en) 1996-08-05 1996-08-05 Polyvinyl alcohol compositions
PCT/GB1997/002103 WO1998005707A1 (en) 1996-08-05 1997-08-05 Foamable polyvinyl alcohol composition

Publications (1)

Publication Number Publication Date
EP0914368A1 true EP0914368A1 (de) 1999-05-12

Family

ID=10798068

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97934649A Withdrawn EP0914368A1 (de) 1996-08-05 1997-08-05 Schaumbare polyvinylalkohol zusammensetzung

Country Status (5)

Country Link
EP (1) EP0914368A1 (de)
AU (1) AU3779197A (de)
GB (1) GB2316080A (de)
WO (1) WO1998005707A1 (de)
ZA (1) ZA976971B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366796A (en) * 2000-09-13 2002-03-20 Procter & Gamble Foam component
GB2366798A (en) * 2000-09-13 2002-03-20 Procter & Gamble Elastic article

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4248812A (en) * 1977-07-18 1981-02-03 Japan Exlan Company Limited Process for producing a rush-like structure
JPS5884736A (ja) * 1981-11-14 1983-05-20 Sekisui Plastics Co Ltd 熱可塑性樹脂発泡体の製造方法
JPS6323126A (ja) * 1986-02-13 1988-01-30 Bio Material Yunibaasu:Kk ソフトコンタクトレンズおよびその製造法
DE4007668A1 (de) * 1990-03-10 1991-09-12 Beiersdorf Ag Hydrogelschaeume und verfahren zu deren herstellung
JPH04295377A (ja) * 1991-03-25 1992-10-20 Sumitomo Metal Ind Ltd ゴルフ用テイ
US5308879A (en) * 1992-09-07 1994-05-03 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Process for preparing biodegradable resin foam
IT1274603B (it) * 1994-08-08 1997-07-18 Novamont Spa Materiali espansi plastici biodegradabili

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9805707A1 *

Also Published As

Publication number Publication date
GB2316080A (en) 1998-02-18
AU3779197A (en) 1998-02-25
GB9616460D0 (en) 1996-09-25
ZA976971B (en) 1998-02-19
WO1998005707A1 (en) 1998-02-12

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 19990223

AK Designated contracting states

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Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE

17Q First examination report despatched

Effective date: 19991027

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20000306