Cross-linkable, olefinic polymers and methods for their synthesis
    1.
    发明授权
    Cross-linkable, olefinic polymers and methods for their synthesis 失效
    可交联烯烃聚合物及其合成方法

    公开(公告)号:US6136926A

    公开(公告)日:2000-10-24

    申请号:US898592

    申请日:1997-07-22

    摘要: Cross-linkable, olefinic polymers synthesized from mixtures of olefinic polymers and ethylenically unsaturated organosilane compounds, which can be grafted, by a 2-step method using thermally decomposing free radical-forming agents by heating the mixtures to a temperature of 30.degree. to 110.degree. C. below the softening temperature or the crystallite melting point of the olefinic polymers used and subsequently heating the mixtures to a reaction temperature of 10.degree. to 60 .degree. C. below the softening temperature or the crystallite melting point of the olefinic polymers used. In the alternative, they can be grafted by a method involving the action of ionizing radiation with simultaneous absorption of organosilane compounds and the action of radiation. The method is suitable for producing films, sheets, fibers, panels, coatings, pipes, hollow objects, foamed materials and molded articles.

    摘要翻译: 通过使用热分解自由基形成剂的两步法通过将混合物加热至30℃至110℃的温度,可通过两步法将可接枝的烯属聚合物和烯属不饱和有机硅烷化合物的混合物合成的可交联烯烃聚合物 低于使用的烯烃聚合物的软化温度或微晶熔点,随后将混合物加热到低于所用烯烃聚合物的软化温度或微晶熔点的10℃至60℃的反应温度。 在替代方案中,它们可以通过涉及电离辐射的作用的方法接枝,同时吸收有机硅烷化合物和辐射的作用。 该方法适用于生产薄膜,片材,纤维,面板,涂料,管材,中空物体,泡沫材料和模制品。

    Fine-celled polyolefin foam materials
    4.
    发明授权
    Fine-celled polyolefin foam materials 失效
    细胞聚烯烃泡沫材料

    公开(公告)号:US5929127A

    公开(公告)日:1999-07-27

    申请号:US85064

    申请日:1998-05-27

    摘要: Fine-celled polyolefin foams of high dimensional stability at elevated temperatures and high stiffness, with foam densities ranging from 10 to 600 kg/m.sup.3, consisting of mixtures of polypropylenes and polyolefins, which were reacted with bifunctional, unsaturated monomers and/or hydrolyzable, ethylenically unsaturated organosilane compounds in the presence of thermally decomposing free radical-forming agents in two reactive process steps and subsequently foamed. The fine-celled polyolefin foams are suitable for use in the packaging sector, preferably for packaging foods, for external and internal parts of motor vehicles and for components of electric and electronic equipment.

    摘要翻译: 在高温下具有高尺寸稳定性和高刚度的细小泡沫聚烯烃泡沫,泡沫密度范围为10至600kg / m 3,由聚丙烯和聚烯烃的混合物组成,其与双官能的不饱和单体和/或可水解的烯属 不饱和有机硅烷化合物在热分解自由基形成剂的存在下在两个反应性工艺步骤中随后发泡。 细胞聚烯烃泡沫适用于包装部门,优选用于包装食品,用于机动车辆的外部和内部部件以及电气和电子设备的部件。