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    • 2. 发明公开
    • EXPANDABLE VINYL AROMATIC POLYMERIC COMPOSITIONS
    • 膨胀型聚乙烯醇缩丁醛聚合物
    • EP3056534A1
    • 2016-08-17
    • EP16153480.5
    • 2016-01-29
    • versalis S.p.A.
    • LA PICCIRELLA, AndreaLONGO, AldoFERRI, DinoVANNUCCI, Giuditta
    • C08J9/16C08J9/00C08L25/04C08J9/18C08J9/14C08J9/224
    • C08J9/0061C08J9/0004C08J9/0014C08J9/141C08J9/16C08J9/18C08J9/224C08J2201/03C08J2201/036C08J2203/14C08J2203/182C08J2325/06C08J2325/14C08J2425/06C08J2425/14C08L25/04C08L25/14
    • The present patent application relates to an expandable polymeric composition with an enhanced processability which comprises:
      i. a polymeric base comprising:
      a) from 0% to 100% by weight measured on the total base (i) of a vinyl aromatic polymer,
      b) from 100% to 0% by weight measured on the total base (i) of a co-polymer containing from 50% to 99% by weight of vinyl aromatic monomers and from 1% to 50% of at least one type of alkyl ester having from 1 to 18 carbon atoms, derivative of acrylic or methacrylic acid,

      ii. from 0.2 to 10 parts by weight measured on 100 parts of polymeric base (i) of an expanding agent, and
      iii. alternatively:
      A) from 0 to 10 parts by weight measured on 100 parts of polymeric base (i) of an additive with a plasticizing effect when (i) comprises at least 2% by weight of (b), or
      B) from 0.3 to 10 parts by weight measured on 100 parts of polymeric base (i) of an additive with a plasticizing effect when (i) comprises only (a),

      said polymeric composition being characterized in that:
      • the molecular mass at the maximum peak Mp of (i) ranges from 130 kDa to 190 kDa and the centrifugal average molecular mass Mz of (i) ranges from 430 kDa to 900 kDa,
      • the difference in the glass-transition temperature (DTg) measured between a vinyl aromatic polymer having a molecular weight distribution (MWD) of (i) and composition of the vinyl aromatic fraction alone of (i), and a polymeric composition consisting of (i) and (iii), ranges from 1°C to 8°C.
    • 本专利申请涉及具有增强的可加工性的可发性聚合物组合物,其包括:i。 聚合物基质,其包含:a)在乙烯基芳族聚合物的总碱(i)上测量的0重量%至100重量%,b)按共混物的总碱(i)测量的100重量%至0重量% 含有50-99%(重量)乙烯基芳族单体和1%至50%至少一种具有1至18个碳原子的烷基酯,丙烯酸或甲基丙烯酸衍生物的聚合物,ii。 在100份发泡剂的聚合物基质(ⅰ)上测量为0.2至10重量份,和iii。 A)0至10重量份,当(i)包含至少2重量%(b),或B)0.3重量%时,在100份聚合物基质(i)上具有增塑作用的添加剂 当(i)仅包含(a)时,在100份具有增塑作用的添加剂聚合物基质(i)上测量10重量份,所述聚合物组合物的特征在于:最大峰值Mp处的分子质量 (i)的范围为130kDa至190kDa,(i)的离心平均分子量Mz在430kDa至900kDa范围内,在玻璃化转变温度(DTg)之间测量的乙烯基芳族聚合物之间的差异 (i)的分子量分布(MWD)和(i)单独的乙烯基芳族组分的组成和由(i)和(iii)组成的聚合物组合物的范围为1℃至8℃。
    • 6. 发明公开
    • Method for manufacturing of foamed polystyrene boards
    • Verfahren zur Herstellung von Polystyrolschaumplatten
    • EP2679373A1
    • 2014-01-01
    • EP12183966.6
    • 2012-09-12
    • Future Sp. z o.o.
    • Moscicki, AndrzejChmielecki, Tomasz
    • B29C44/56C08K3/08
    • B29C44/5654B29C44/3461B29C44/5618B29K2025/06B29K2995/0015B29L2031/10C08J9/232C08J9/365C08J2201/034C08J2201/036C08J2201/038C08J2325/06
    • A method for manufacturing of foamed polystyrene boards, whereby raw polystyrene grains are preliminarily expanded in an expander, and then seasoned, after which the seasoned grains are input to a mould, where under increased temperature and pressure, a block is formed, wherein the block is cut into boards of a desired shape and size, characterized in that the cut boards are sprayed with a bactericidal colloid consisting of 1% by weight of silver nanoparticles having a diameter of 50 nm in polymer shell, 93% to 97% of alcohol with average boiling point 65°C to 90°C, 0.1 % to 1% of surfacants, 0.2% to 2% of wetting agents, 0.5% to 1,5% of silanes, 0.2% to 1.5% of quelanting agents, 0.5% to 1.5% of substances with boiling point below 40°C and 0.1% to 0.5% of substances reducing viscosity of the whole colloid to a value below 1,0 cP, wherein the colloid is sprayed in the amount of 15 to 35 ml/m 2 , after which the board is dried until evaporation of the colloid solvent.
    • 一种发泡聚苯乙烯板的制造方法,其中在膨胀机中预先膨胀原料聚苯乙烯颗粒,然后进行调味,然后将调味颗粒输入到模具中,其中在升高的温度和压力下形成块体,其中块 被切成所需形状和尺寸的板,其特征在于,在聚合物壳体中,用1重量%的直径为50nm的银纳米颗粒和93%至97%的醇组成的杀菌胶体喷射切割板, 平均沸点65℃〜90℃,0.1〜1%表面活性剂,0.2〜2%润湿剂,0.5〜1.5%硅烷,0.2〜1.5%重量剂,0.5〜 1.5%的沸点低于40℃的物质和0.1%至0.5%的物质将整个胶体的粘度降低到低于10 cP的值,其中胶体喷涂量为15至35 ml / m 2 ,然后干燥板直到胶体溶剂蒸发。