24.
    发明专利
    未知

    公开(公告)号:SE321043B

    公开(公告)日:1970-02-23

    申请号:SE171766

    申请日:1966-02-10

    Applicant: BAYER AG

    Abstract: Hydantoin polymers contain the repeating unit in which Ar represents an aromatic hydrocarbon radical, which may be substituted by alkyl, halogen, nitro, alkoxy, dialkylamino, acyl, carbalkoxy and/or cyano radicals. R4 is hydrogen or a C1-C6 alkyl radical. Y is either an aromatic hydrocarbon radical or a C4-C10 alkylene radical or a C4-C10 alkylene radical in which one or more of the carbon atoms is replaced by O or S. Examples of Ar are radicals derived from benzene, azobenzene, naphthalene, anthracene, diphenyl, triphenylmethane, a diphenylalkane, diphenylether, diphenylthioether or a polyphenylether. The polymer may consist of 20 to 5000 units of I. Preferred polymers have the repeating units II, III and IV. The polymers may be prepared by heating a glycine compound: Ar[NHC(R1)2COR2]x at 80-500 DEG C. with an aromatic di- or polyisocyanate. Ar is an aromatic radical; R1 is H or an alkyl radical; R2 is either a hydroxyl, amino, alkylamino, dialkylamino, alkoxy or aroxy radical; x is 2, 3 or 4. Derivatives of dior polyisocyanates may also be used (e.g. blocked isocyanates). Alternatively, the polymers may be prepared by reacting at 80 DEG to 500 DEG C. a mixture of an N-carboxy glycine compound Ar[N(COR3)C(R1)2COR2]x, in which R3 is a dialkylamino alkoxy or aroxy radical and Ar, R1 and R2 have the meanings defined above, with an aliphatic, cycloaliphatic, or aromatic diamine. The polymers may be used as solutions in an organic solvent as coatings especially for wires and other metallic surfaces; the polymer may be formed on the substrate by applying a mixed solution of a glycine compound described above and a polyisocyanate to the substrate followed by heating at 80-500 DEG C. Lacquer compositions are also disclosed in which polymers according to the invention are mixed with a further polymer, e.g. a polyester, polyamide, polyurethane, polyolefin, polyacetal, polyepoxide, polyimide, or a polyester containing imide groups. Using a polyester containing hydroxyl groups, a mixed polyhydantoin-polyurethane may be obtained.ALSO:Coatings especially on metals, glass, ceramics, asbestos fibres, copper wire are applied from solutions of polymers containing hydantoin rings and having the repeating unit I. Ar represents an unsubstituted aromatic nucleus or an aromatic nucleus substituted by alkyl, halogen, nitro, alkoxy, dialkylamino, acyl, carbalkoxy and/or cyano radicals. R4 is H or a C1-C6 alkyl radical. Y is either an aromatic hydrocarbon or a C4-C10 alkylene radical in which one or more of the carbon atoms may be replaced by O or S. The coatings may be formed in situ on the wire by reaction of a glycine compound and a polyisocyanate. Lacquer compositions are also disclosed in which the hydantoin polymers according to the invention are mixed with other polymers, e.g. a polyester, polyamide, polyurethane, polyolefin, polyacetal, polyepoxide, polyimide or a polyester containing imide groups or hydroxyl groups.

    25.
    发明专利
    未知

    公开(公告)号:SE316910B

    公开(公告)日:1969-11-03

    申请号:SE273866

    申请日:1966-03-02

    Applicant: BAYER AG

    Abstract: Hydantoin polymers contain the repeating unit in which Ar represents an aromatic hydrocarbon radical, which may be substituted by alkyl, halogen, nitro, alkoxy, dialkylamino, acyl, carbalkoxy and/or cyano radicals. R4 is hydrogen or a C1-C6 alkyl radical. Y is either an aromatic hydrocarbon radical or a C4-C10 alkylene radical or a C4-C10 alkylene radical in which one or more of the carbon atoms is replaced by O or S. Examples of Ar are radicals derived from benzene, azobenzene, naphthalene, anthracene, diphenyl, triphenylmethane, a diphenylalkane, diphenylether, diphenylthioether or a polyphenylether. The polymer may consist of 20 to 5000 units of I. Preferred polymers have the repeating units II, III and IV. The polymers may be prepared by heating a glycine compound: Ar[NHC(R1)2COR2]x at 80-500 DEG C. with an aromatic di- or polyisocyanate. Ar is an aromatic radical; R1 is H or an alkyl radical; R2 is either a hydroxyl, amino, alkylamino, dialkylamino, alkoxy or aroxy radical; x is 2, 3 or 4. Derivatives of dior polyisocyanates may also be used (e.g. blocked isocyanates). Alternatively, the polymers may be prepared by reacting at 80 DEG to 500 DEG C. a mixture of an N-carboxy glycine compound Ar[N(COR3)C(R1)2COR2]x, in which R3 is a dialkylamino alkoxy or aroxy radical and Ar, R1 and R2 have the meanings defined above, with an aliphatic, cycloaliphatic, or aromatic diamine. The polymers may be used as solutions in an organic solvent as coatings especially for wires and other metallic surfaces; the polymer may be formed on the substrate by applying a mixed solution of a glycine compound described above and a polyisocyanate to the substrate followed by heating at 80-500 DEG C. Lacquer compositions are also disclosed in which polymers according to the invention are mixed with a further polymer, e.g. a polyester, polyamide, polyurethane, polyolefin, polyacetal, polyepoxide, polyimide, or a polyester containing imide groups. Using a polyester containing hydroxyl groups, a mixed polyhydantoin-polyurethane may be obtained.ALSO:Coatings especially on metals, glass, ceramics, asbestos fibres, copper wire are applied from solutions of polymers containing hydantoin rings and having the repeating unit I. Ar represents an unsubstituted aromatic nucleus or an aromatic nucleus substituted by alkyl, halogen, nitro, alkoxy, dialkylamino, acyl, carbalkoxy and/or cyano radicals. R4 is H or a C1-C6 alkyl radical. Y is either an aromatic hydrocarbon or a C4-C10 alkylene radical in which one or more of the carbon atoms may be replaced by O or S. The coatings may be formed in situ on the wire by reaction of a glycine compound and a polyisocyanate. Lacquer compositions are also disclosed in which the hydantoin polymers according to the invention are mixed with other polymers, e.g. a polyester, polyamide, polyurethane, polyolefin, polyacetal, polyepoxide, polyimide or a polyester containing imide groups or hydroxyl groups.

    26.
    发明专利
    未知

    公开(公告)号:SE303044B

    公开(公告)日:1968-08-12

    申请号:SE1012562

    申请日:1962-09-20

    Applicant: BAYER AG

    Abstract: Foamed plastics containing urethane and/or carbonamide groups are prepared by (1) reacting a natural fish oil with a polyhydric alcohol or with a saponification agent (which fish oil may be modified, before, during or after reaction with the polyhydric alcohol or saponification agent, by reaction with hydrogen, a halogen, sulphur or a compound giving off sulphur under the reaction conditions, a monohydric alcohol or a halogeno and/or dicasphilic carboxylic acid or an ester or anhydride of such an acid) to form polyhydroxyl and/or polycarboxyl compounds and (ii) reacting the polyhydroxyl and/or polycarboxyl compounds with one or more polyisocyanates and foaming the reaction mixture using a blowing agent. Hydroxyl group containing compounds used for the ester interchange may be polyhydric alcohols, castor oil, polyesters, polyethers, polythio-ethers or polyacetals. The interchange products may be modified by fatty alcohols, mono and/or polycarboxylic acids. Suitable polyisocyanates are listed, including masked isocyanates. Foaming agents may be: low boiling hydrocarbons, halogeno alkanes, azo compounds, vinylidene chloride of water. The polyhydroxyl and/or polycarboxyl compounds obtained from the fish oil may be mixed with another polyhydroxyl compound. In Example (1) fish oil was reacted with trimethylol propane and the product mixed with propoxylated ethylene diamine in the presence of permethylated amino ethyl piperazine, silicane and sodium castor oil sulphate in water. Isocyanate was then added. Specification 909,604 is referred to.

    27.
    发明专利
    未知

    公开(公告)号:SE7900886L

    公开(公告)日:1979-02-01

    申请号:SE7900886

    申请日:1979-02-01

    Applicant: BAYER AG

    Abstract: Process for the preparation of polyhydantoins or polyparabanic acids, characterized in that bis- or polyglycine derivatives or bis- or poly-monoamidooxalic acid derivatives are heated to temperatures of 20 DEG to 250 DEG C with di- or polyiso(thio)cyanate derivatives without solvents and the highly fluid melt which has a melt viscosity of at the most 40,000 m.Pa.s. is optionally subjected to a shaping process and is polycondensed by adjustment to the reaction of 80 DEG to 700 DEG C.

    29.
    发明专利
    未知

    公开(公告)号:SE7501030L

    公开(公告)日:1975-08-04

    申请号:SE7501030

    申请日:1975-01-30

    Applicant: BAYER AG

    Abstract: Process for the preparation of polyhydantoins or polyparabanic acids, characterized in that bis- or polyglycine derivatives or bis- or poly-monoamidooxalic acid derivatives are heated to temperatures of 20 DEG to 250 DEG C with di- or polyiso(thio)cyanate derivatives without solvents and the highly fluid melt which has a melt viscosity of at the most 40,000 m.Pa.s. is optionally subjected to a shaping process and is polycondensed by adjustment to the reaction of 80 DEG to 700 DEG C.

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