CA2056720A1 - Wet laid fiberous thermoplastic material and aqueous dispersion for producing same - Google Patents

Wet laid fiberous thermoplastic material and aqueous dispersion for producing same

Info

Publication number
CA2056720A1
CA2056720A1 CA2056720A CA2056720A CA2056720A1 CA 2056720 A1 CA2056720 A1 CA 2056720A1 CA 2056720 A CA2056720 A CA 2056720A CA 2056720 A CA2056720 A CA 2056720A CA 2056720 A1 CA2056720 A1 CA 2056720A1
Authority
CA
Canada
Prior art keywords
web
thermoplastic polymer
chemically modified
fiberous
aqueous dispersion
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.)
Granted
Application number
CA2056720A
Other languages
French (fr)
Other versions
CA2056720C (en
Inventor
Luciano M. Parrinello
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.)
PPG Industries Ohio Inc
Original Assignee
Luciano M. Parrinello
Ppg Industries, Inc.
Ppg Industries Ohio, Inc.
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 Luciano M. Parrinello, Ppg Industries, Inc., Ppg Industries Ohio, Inc. filed Critical Luciano M. Parrinello
Publication of CA2056720A1 publication Critical patent/CA2056720A1/en
Application granted granted Critical
Publication of CA2056720C publication Critical patent/CA2056720C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/38—Inorganic fibres or flakes siliceous
    • D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • C08J5/08—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials glass fibres

Abstract

A wet-laid, non-woven, glass fiber containing thermoplastic polymer web is provided that is capable of yielding improved physical properties for articles molded from the web. The web in addition to the glass fibers and thermoplastic matrix polymer contains a chemically modified thermoplastic polymer. This material is preferably present in the mat binder which is applied to the web. Generally, the amount of the chemically modified thermoplastic polymer present in the web is in the range of from about 0.1 to about 20 weight percent of the web. In addition to the chemically modified thermoplastic polymer, the mat binder also contains a film forming polymer and optionally an electron donating oregano coupling agent and a stabilizing agent such as one or more carboxylic acids and/or anhydrides which may be monocarboxylic, polycarboxylic, aliphatic or cyclic.
CA002056720A 1990-12-05 1991-12-03 Wet laid fiberous thermoplastic material and aqueous dispersion for producing same Expired - Fee Related CA2056720C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62267190A 1990-12-05 1990-12-05
US622,671 1990-12-05

Publications (2)

Publication Number Publication Date
CA2056720A1 true CA2056720A1 (en) 1992-06-06
CA2056720C CA2056720C (en) 1996-05-14

Family

ID=24495056

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002056720A Expired - Fee Related CA2056720C (en) 1990-12-05 1991-12-03 Wet laid fiberous thermoplastic material and aqueous dispersion for producing same

Country Status (6)

Country Link
US (1) US5393379A (en)
EP (1) EP0491204B1 (en)
JP (2) JPH0791394B2 (en)
CA (1) CA2056720C (en)
DE (1) DE69124214T2 (en)
ES (1) ES2099119T3 (en)

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JP6544033B2 (en) * 2015-05-12 2019-07-17 王子ホールディングス株式会社 Nonwoven fabric, method for producing the same, and fiber-reinforced plastic molding
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KR20180084833A (en) * 2015-11-12 2018-07-25 사이텍 인더스트리스 인코포레이티드 Composite veil as intermediate layer of composite material
JP6520662B2 (en) * 2015-11-24 2019-05-29 王子ホールディングス株式会社 Base material for fiber reinforced plastic molded body and fiber reinforced plastic molded body
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Also Published As

Publication number Publication date
EP0491204A3 (en) 1992-12-09
JPH04300923A (en) 1992-10-23
ES2099119T3 (en) 1997-05-16
EP0491204A2 (en) 1992-06-24
DE69124214T2 (en) 1997-08-07
EP0491204B1 (en) 1997-01-15
DE69124214D1 (en) 1997-02-27
CA2056720C (en) 1996-05-14
JPH0791394B2 (en) 1995-10-04
US5393379A (en) 1995-02-28
JPH09310296A (en) 1997-12-02

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