DE69227469T2 - Verfahren zur herstellung von gemischten polyvinylacetalen - Google Patents

Verfahren zur herstellung von gemischten polyvinylacetalen

Info

Publication number
DE69227469T2
DE69227469T2 DE69227469T DE69227469T DE69227469T2 DE 69227469 T2 DE69227469 T2 DE 69227469T2 DE 69227469 T DE69227469 T DE 69227469T DE 69227469 T DE69227469 T DE 69227469T DE 69227469 T2 DE69227469 T2 DE 69227469T2
Authority
DE
Germany
Prior art keywords
acetalization
producing mixed
reaction
acetal groups
long chain
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.)
Expired - Lifetime
Application number
DE69227469T
Other languages
English (en)
Other versions
DE69227469D1 (de
Inventor
Donald David
Nestor Rotstein
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of DE69227469D1 publication Critical patent/DE69227469D1/de
Publication of DE69227469T2 publication Critical patent/DE69227469T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/28—Condensation with aldehydes or ketones

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE69227469T 1992-12-04 1992-12-04 Verfahren zur herstellung von gemischten polyvinylacetalen Expired - Lifetime DE69227469T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1992/010510 WO1994013710A1 (en) 1992-12-04 1992-12-04 Process for producing mixed poly(vinyl acetal)s

Publications (2)

Publication Number Publication Date
DE69227469D1 DE69227469D1 (de) 1998-12-03
DE69227469T2 true DE69227469T2 (de) 1999-06-10

Family

ID=22231597

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227469T Expired - Lifetime DE69227469T2 (de) 1992-12-04 1992-12-04 Verfahren zur herstellung von gemischten polyvinylacetalen

Country Status (5)

Country Link
EP (1) EP0672071B1 (de)
JP (1) JP3162076B2 (de)
AT (1) ATE172745T1 (de)
DE (1) DE69227469T2 (de)
WO (1) WO1994013710A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2475255C (en) 2002-02-07 2011-04-19 Denki Kagaku Kogyo Kabushiki Kaisha Polyvinylacetal resin and process for its production
CN100575368C (zh) 2004-08-04 2009-12-30 积水化学工业株式会社 聚乙烯醇缩醛树脂的制造方法、聚乙烯醇缩丁醛树脂、以及被酯化的聚乙烯醇树脂的制造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073203B (de) * 1960-01-14 Esso Research and Engineering Company Elizabeth, N J (V St A) Verfahren zur Herstellung von Polyvmylacetalen
US2116635A (en) * 1933-12-01 1938-05-10 Shawinigan Chem Ltd Mixed polyvinyl resins and method of making same
DE1195900B (de) * 1957-12-23 1965-07-01 Mitsubishi Rayon Co Verfahren zur Herstellung von in heissem Wasser bestaendigen Polyvinylalkoholfaeden
GB873263A (en) * 1959-08-28 1961-07-19 Seikisui Chemical Co Ltd Process for preparing condensation products of polyvinyl alcohol and carbonyl compounds
US5137954A (en) * 1991-09-30 1992-08-11 Monsanto Company Polyvinyl butyral sheet

Also Published As

Publication number Publication date
EP0672071B1 (de) 1998-10-28
ATE172745T1 (de) 1998-11-15
EP0672071A1 (de) 1995-09-20
WO1994013710A1 (en) 1994-06-23
JP3162076B2 (ja) 2001-04-25
DE69227469D1 (de) 1998-12-03
JPH08505163A (ja) 1996-06-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition