21.
    发明专利
    未知

    公开(公告)号:DE1447928A1

    公开(公告)日:1968-12-12

    申请号:DE1447928

    申请日:1965-08-04

    Applicant: BASF AG

    Abstract: 1,147,776. Photographic processes. BADISCHE ANILIN - & SODA - FABRIK A. G. Aug. 3, 1966 [Aug. 4, 1965], No.34759/66. Heading G2C. Printing plates are produced by imagewise exposing a material containing 40-99% by weight of a polyamide and 60-1% of a compound containing at least one photo-polymerizable double bond and at least one hydrogen capable of reacting with an isocyanate, treating the exposed material with a polyisocyanate and then removing the unexposed areas. Specified compounds are acrylamides and methacrylamides, partial esters of glycols with acrylic or methacrylic acid and hydroxy- or aminostyrenes. The polyisocyanate may be hexamethylene-, p-phenylene, 2, 5 or 2, 6-toluene -, or 1 5-naphthalene-di-isocyanate, 4, 4', 4" triphenylmethane tri-isocyanate or tri-methylolpropane/2, 4-toluene di-isocyanate addition product. The material may also contain a thermal polymerization inhibitor and photo-initiator.

    22.
    发明专利
    未知

    公开(公告)号:DE1469168A1

    公开(公告)日:1968-11-14

    申请号:DE1469168

    申请日:1963-12-14

    Applicant: BASF AG

    Abstract: Glass fibres are dyed or printed with pigments using as a binder a film-forming polymer which becomes cross-linked under the influence of a proton-acceptor and using an amino-silane or a hydrocarbon wax as an agent having hydrophobic action to promote adhesion between the binder and the glass surface, the process being carried out in the presence of a proton-acceptor, and the treated fibres being finally dried and heated. The polymers are those having groups, for example amino or hydroxy groups, which by means of proton acceptors can enter into covalent bonds with themselves or other groups. The preferred polymers are copolymers bearing hydrocarbon radicals as side chains in which a halogen atom and a hydroxyl group are attached to two adjacent carbon atoms, particularly a polymer obtained by co-polymerising 2-hydroxy-3-chloropropyl acrylate with other monomers. The proton-acceptor may be an alkali metal hydroxide, carbonate or bicarbonate, amonia or an organic amine; it may be provided as the alkali present in the glass. The glass fibres may be treated as such, mixed with other fibres or in the form of fabric. In the treatment, the various components can be applied separately or in combination. Examples illustrate the use of copper phthalocyanine, azo dyes and carbon black as the pigments.

    26.
    发明专利
    未知

    公开(公告)号:DE1522469A1

    公开(公告)日:1969-07-31

    申请号:DE1522469

    申请日:1966-09-02

    Applicant: BASF AG

    Abstract: 1,191,177. Photopolymerizable compositions. BADISCHE ANILIN- & SODA-FABRIK A.G. 1 Sept., 1967 [2 Sept., 1966; 6 Sept., 1966], No. 40068/67. Heading C3P. [Also in Division G2] Photopolymerizable mixtures for use in producing printing plates comprise a polyamide, m- or p-xylylene-bis-acrylamide, triethylene glycol diacrylate and, optionally, butanediol monoacrylate, hexamethylene bisacrylamide and maleic anhydride, a photoinitiator, e.g. benzoin methyl ether, and a polymerization inhibitor, e.g. hydroquinone, p-methoxy-phenol or p-t-butyl-cresol.

    30.
    发明专利
    未知

    公开(公告)号:DE1447931A1

    公开(公告)日:1968-12-12

    申请号:DE1447931

    申请日:1965-09-08

    Applicant: BASF AG

    Abstract: 1,154,872. Photo-polymerizable materials. BADISHE ANILIN & SODA-FABRIK A. G. Sept. 7, 1966 [Sept. 8, 1965], No. 39967/66. Heading G2C. [Also in Division C3] Printing reliefs are prepared by exposing a plate, film or sheet of a photo-polymerizable composition to the action of actinic light, through a negative or positive image-bearing transparency, and removing in the desired depth the non-polymerized (non exposed) areas by means of a suitable solvent, said photo-polymerizable composition comprising a mixture of 50 - 90% by weight of a soluble linear synthetic polyamide containing as an integral part of the polymer chain recurring amido groups and 10 - 50% by weight of at least one addition polymerizable monomer containing at least two non-conjugated ethylenic double bonds or a mixture of such monomer with a monomer containing only one ethylenic double bond (said monomer or monomers being compatible to the extent of at least 30% by weight of the polyamidemonomer mixture with said polyamide), and 0À05 - 8% by weight of the polyamide/monomer mixture of at least one compatible carboxylic anhydride dispersed in the polyamide - monomer mixture. The compositions may also contain 0À01 - 10% by weight of the polyamide/monomer mixture of a photo-polymerisation initiator. The plate, film or sheet may be attached to a support, e.g. of metal, wood, paper or plastics material. The polyamide is preferably a copolymer of a lactam and/or nylon salt. Suitable poly-unsaturated monomers include alkylene - bis (meth) acrylamides, poly (meth) acrylyl derivatives of polyamines, (meth) acrylate esters of polyhydric alcohols, urethane and urea compounds obtained by reacting a diol mono (meth) acrylate or a mono - (meth) acrylamide with a diisocyanate, and heterocyclic compounds such as 1, 35 - triacryloyl - hexahydrotriazine- 1, 3, 5 and triallyl cyanurate. Suitable monoethylenic monomers include amides of (meth) acrylic, maleic and itaconic acid, styrene, mono- (meth) acrylate esters, N-vinyl-carbazole, N-vinyl pyrrolidone, N-vinyl-imides, vinyl acetate or propionate, dimethyl maleate and N - vinyl caprolactam. The anhydride component may be an aliphatic, cycloaliphatic or aromatic anhydride; polymeric anhydrides may also be used. Initiators which may be used include vicinal dicarbonyl compounds, α-carbonylalcohols, acyloin ethers, azonitriles, and polynuclear quinones. A thermal polymerization inhibitor, e.g. hydroquinone, p-methoxyphenol or di-t-butyl-p-cresol, may also be present. The photo-polymerization process is suitable for relief printing, indirect relief printing, dry offset printing and autotype intaglio printing.

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