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    Curable polyester resins and cured shaped articles made therefrom
    1.
    发明专利
    Curable polyester resins and cured shaped articles made therefrom 未知

    公开(公告)号：GB1026975A

    公开(公告)日：1966-04-20

    申请号：GB696863

    申请日：1963-02-21

    Applicant: BASF AG

    Inventor： WILLERSINN HERBERT ,  HEEL HELMUT ,  ZIEGLER IRMGARD ,  ALLWINN ROLAND

    IPC: C08F283/01 ,  C08L67/00

    Abstract: Cured shaped articles may be produced by polymerizing (a) one or more resinous ethylenically unsaturated polymerizable polyesters containing radicals of one or more polybasic, particularly dibasic, carboxylic acids and of one or more polyhydric, particularly dihydric, alcohols, and if desired additionally radicals of one or more monobasic carboxylic acids and/or of one or more monohydric alcohols and/or of one or more hydroxycarboxylic acids, at least some of said radicals having ethylenically unsaturated polymerizable groups and (b) tertiary-butyl acrylate; if desired together with one or more other monomeric ethylenically unsaturated polymerizable compounds. The weight ratio of polyesters (a) to the monomers (b) is from 1:0.2 to 1:1.5 and the monomers (b) contain 1 to 100% by weight of tertiary-butyl acrylate. Lists of suitable polyester components are given but the polyesters employed in the examples are derived from maleic and phthalic anhydrides and propanediol-(1, 2). The polyester is mixed with hydroquine and tertiary butyl acrylate and then polymerized with cyclohexanone peroxide in dibutyl phthalate in the presence of cobalt naphthenate in styrene. Glass fibres, yarns, fabrics and powders may be used to reinforce the polyesters.

    Unsaturated polyester resins containing cyclohexene-(1)-dicarboxylic acid-(4,5) radicals
    2.
    发明专利
    Unsaturated polyester resins containing cyclohexene-(1)-dicarboxylic acid-(4,5) radicals 未知

    公开(公告)号：GB992200A

    公开(公告)日：1965-05-19

    申请号：GB4821763

    申请日：1963-12-06

    Applicant: BASF AG

    Inventor： LAUTENSCHLAGER WALTER ,  WILLERSINN HERBERT ,  HEEL HELMUT ,  ZIEGLER IRMGARD

    IPC: C08G63/676

    Abstract: Unsaturated polyester resin systems contain (1) at least one monomeric ethylenically unsaturated polymerizable compound and (2) at least one resinous ethylenically unsaturated polymerizable polyester containing, connected via ester linkages (a) radicals of dibasic carboxylic acids, (b) radicals of dihydric alcohols and optionally (c) radicals of other carboxylic acids and/or (d) radicals of other alcohols, at least a portion of the radicals of dibasic carboxylic acids being radicals of cyclohexene-1-dicarboxylic acid-4,5 radicals and at least part of the radicals of the polyester which are not cyclohexene-1-dicarboxyli acid-4,5 radicals having ethylenically unsaturated polymerizable groups, wherein said unsaturated polyester resins contain polyesters (2) whose hydroxyl number (HN) and acid number (AN) are in a ratio of (HN): (AN) of less than 1, preferably less than 0.2. In general the mean molecular weight of the polyesters is between 1000 and 5000 and, if desired, a portion of these polyesters in the polyester resins may be replaced by one or more conventional polyesters. Lists of compounds (1), (2a) (2b) (2c) and (2d) are given, but the preferred polyesters (2) are prepared from radicals of cyclohexene-1-dicarboxylic acid-4,5 (a1) and radicals of maleic acid (a2) and/or radicals of fumaric acid (a3) in the molar ratio of (a1): [(a2) + (a3)] of 1:3 to 1:0.5, and as radicals (b) radicals of aliphatic ether diols of the type 3-monooxaalkanediols 3,6-dioxaalkanediols and 3,6,9-trioxaalkanediols having 4 to 12 carbon atoms, preferably radicals of 3-oxapentanediol-1,5. Other preferred polyesters (2) are prepared from cyclohexene-1-dicarboxylic acid-4,5 as radicals (a) and as radicals (b) radicals of dihydric aliphatic ether diols of the type mono-(allyloxy)-alkanediols and di-(allyloxy)-alkane diols having 6 to 12 carbon atoms, e.g. glycerine monoallyl ether radicals and/or pentaerythritol diallyl ether radicals.

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