Abstract:
A PROCESS IS DISCLOSED FOR THE PRECIPITATION POLYMERIZATION OF A-METHYLSTYRENE, WHICH MAY BE SUBSTITUTED, IN THE PRESENCE OF A HYDROCARBON INERT TO ALKALI METALS, AT LEAST ONE FINELY DIVIDED ALKALI METAL, A PHOSPHORIC ACID AMIDE AS ACCELERATOR AND A CO-ACCELERATOR, AT A TEMPERATURES WITHIN THE RANGE OF FROM-20*C. TO +40*C. THE POLYMERS THUS ARE OBTAINED IN A GRAINY, FILTERABLE FORM.
Abstract:
MOLDING COMPOSITIONS FROM LINEAR SATURATED POLYESTERS AND SILICON SPIRANES, WHICH MAY BE SHAPED IN THE THERMOPLASTIC STATE AND FROM WHICH INJECTION-MOLDED PIECES CAN BE MADE WHICH DO NOT EXHIBIT FLASH FORMATION.
Abstract:
METHOD FOR MAKING SHAPED ARTICLES BY INJECTION MOULDING POLYESTER COMPOSITIONS COMPRISING AROMATIC DICARBOXYLIC ACIDS, SATURATED ALIPHATIC OR CYCLOALIPHATIC DIOLS AND ALCOHOLS HAVING MORE THAN TWO PRIMARY HYDROZYL GROUPS. THE SHAPED ARTICLES DO NOT SHOW FLASH FORMATION.
Abstract:
MOLDING COMPOSITIONS WHICH CAN BE PROCESSED THERMOPLASTICALLY ARE PREPARED FROM A MIXTURE OF LINEAR SATURATED POLYESTERS AND A-OLEFIN-VINYL ESTER COPOLYMERS AND ARE DISTINGUISHED BY A HIGH IMPACT STRENGTH.
Abstract:
MOLDING COMPOSITIONS FROM LINEAR SATURATED POLYESTERS, INERT INORGANIC SOLID MATERIALS OR IONIC COPOLYMERS, AND SILICON COMPOUNDS OF FORMULA I, II OR III
(I) RMSI(OR1)4-M
(IN WHICH M REPRESENTS ZERO OR A WHOLE NUMBER FROM 1 TO 3)
R'' SI R'' (II)
(R-)2-SI R''
OR MIXTURES OF THESE COMPOUNDS, WHICH MOLDING COMPOSITIONS MAY BE SHAPED IN THE THERMOPLASTIC RANGE AND FROM WHICH MOLDED ARTICLES ARE OBTAINED WHICH CAN EASILY BE REMOVED FROM THE MOLD.
Abstract:
THE INVENTION PROVIDES THERMOPLASTIC MOULDING COMPOSITIONS COMPRISING LINEAR STAURATED POLYESTERS AND IONC COPOLYMERS FROM WHICH DIMENSIONALLY STABLE SHAPED ARTICLES HAVING A HIGH IMPACT STRENGTH CAN BE PRODUCED.
Abstract:
THERMOPLASTIC MOULDING COMPOSITIONS ON THE BASIS OF LINEAR SATURATED POLYESTERS CONTAINING ALKALI METAL SALTS OF CYCLIC BORIC ACID ESTERS. THE COMPOSITIONS HAVE USUALLY GOOD CRYSTALLIZATION PROPERTIES.