Vinylchloride-alkylene copolymer and uses therefor
    14.
    发明授权
    Vinylchloride-alkylene copolymer and uses therefor 失效
    氯乙烯 - 亚烷基共聚物,用于此

    公开(公告)号:US3887728A

    公开(公告)日:1975-06-03

    申请号:US33092073

    申请日:1973-02-09

    Abstract: A copolymer of vinyl chloride with ethylene or propylene having a K-value of 45 to 65 and an alkylene (ethylene or propylene) content of 0.5 to 10 weight percent. This product is particularly useful for forming plasticizer-free coatings on substrates by known fluidized bed coating processes and for forming plasticizer-free shaped articles by rotational molding processes.

    Abstract translation: 氯乙烯与K值为45〜65的乙烯或丙烯的共聚物和亚乙基(亚乙基或丙烯)含量为0.5〜10重量%。 该产品特别适用于通过已知的流化床涂覆方法在基材上形成无增塑剂的涂层,并通过旋转成型工艺形成不含增塑剂的成型制品。

    Process for the copolymerization of vinyltrialkoxysilanes
    17.
    发明授权
    Process for the copolymerization of vinyltrialkoxysilanes 失效
    乙烯基二氧化硅的共聚方法

    公开(公告)号:US3629214A

    公开(公告)日:1971-12-21

    申请号:US3629214D

    申请日:1968-09-05

    CPC classification number: C08F30/08

    Abstract: PROCESS FOR THE PREPARATION OF COPOLYMERS OF VINYLTRIALKOXYLSILANES WITH OTHER SUITABLE MONOMERS COMPRISING CONTACTING A VINYLTRI-TERT-ALKOXY SILANE HAVING THE FORMULA:

    CH2=CH-SI(-O-R3)(-O-R2)-O-R1

    WHEREIN R1, R2 AND R3 EACH REPRESENT TERTIARY ALKYL OF THE FORMULA:

    A-C(-B)-D

    WHEREIN A, B AND D ARE EACH ALKYL, WITH ANOTHER MONOMEER COPOLYMERIZABLE THEREWITH UNDER POLYMERIZATION CONDTIONS. THE RESULTANT NOVEL COPOLYMERS ARE FREE OF CROSSLINKING, ARE CHARACTERIZED BY SI-C BONDS WHICH ARE INTERCONNECTED BY C-C BOUNDS. THEY ARE THERMOPLASTIC AND CAN BE EASILY WORKED IN EXTRUDERS, DEEP DRAWING MACHINES, ROLLING MILLS, ETC.

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