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    • 93. 发明申请
    • BITUMINOUS MIXTURES WITH A HIGH POLYMER CONTENT
    • 具有高聚合物含量的BITUMINOUS混合物
    • US20110257308A1
    • 2011-10-20
    • US13128353
    • 2009-11-05
    • Paolo ItaliaLuigi D'Elia
    • Paolo ItaliaLuigi D'Elia
    • C08L95/00
    • C08J3/226C08J2391/06C08J2495/00C08L95/00C08L2555/72C08L2555/84C08L2666/02C08L91/06C08L53/02
    • The invention relates to a process for the preparation of mixtures containing bitumen and thermoplastic polymer at a high concentration, stable during storage, with particular characteristics of easy processability and movability which, once diluted, allow modified bitumens to be obtained with high performance characteristics. In particular, the process allows mixtures containing bitumen, thermoplastic polymer and wax, to be prepared, wherein the polymer is in a quantity varying from 5 to 30% by weight with respect to the weight of the mixture consisting of bitumen and polymer, and the wax is in a quantity varying from 4.7 to 16.7% by weight with respect to the weight of the total mixture, and comprises reacting a concentrated mixture (A), stable during storage, containing bitumen and from 5 to 30% by weight of thermoplastic polymer, with a hydrocarbon wax containing at least 40 carbon atoms and having a melting point of at least 700 C, in a weight ratio between the mixture (A) and wax ranging from 100:5 to 100:20, at a temperature ranging from 160 to 2000 C and for a time ranging from 15 minutes to 7 hours, preferably from 15 to 120 minutes. An object of the invention also relates to new mixtures containing bitumen and thermoplastic polymer at a high concentration and mixtures obtainable from these by dilution.
    • 本发明涉及一种制备含有高浓度沥青和热塑性聚合物的混合物的方法,其在储存期间是稳定的,具有容易加工性和可移动性的特定特性,其一旦稀释,就可以获得具有高性能特征的改性沥青。 特别地,该方法允许制备含有沥青,热塑性聚合物和蜡的混合物,其中相对于由沥青和聚合物组成的混合物的重量,聚合物的量为5至30重量%,并且 相对于总混合物的重量,蜡的量为4.7至16.7重量%,并且包括在储存期间稳定的含有沥青的浓缩混合物(A)和5至30重量%的热塑性聚合物 ,含有至少40个碳原子并且熔点至少为700℃的烃蜡,混合物(A)和蜡的重量比为100:5至100:20,温度范围为160 至2000℃,时间为15分钟至7小时,优选15至120分钟。 本发明的目的还涉及含有高浓度的沥青和热塑性聚合物的新混合物以及通过稀释从这些混合物获得的混合物。
    • 94. 发明授权
    • Wax emulsion preservative compositions and method of manufacture
    • 蜡乳液防腐剂组合物及其制造方法
    • US07294189B2
    • 2007-11-13
    • US11219276
    • 2005-09-02
    • Steven Wantling
    • Steven Wantling
    • C08L91/06D21H21/16D21H17/26D21H17/60C04B103/65C04B24/38
    • C08J3/03B01F17/0028B01F17/0042B01F17/0057C04B24/128C04B28/14C04B40/0039C04B2103/67C08J2391/06C04B22/062C04B24/02C04B24/08C04B24/20C04B24/34C04B24/36C04B24/383C04B24/18
    • An emulsion comprising water as the continuous phase, a wax as the discontinuous phase, an emulsifier and a preservative having the general structure: wherein R1 can be a heterocycle containing nitrogen and sulfur, such as thiazolyl, isothiazolyl, or thiadiazolyl, which can optionally be substituted with C1–C6 alkyl; R2 can be hydrogen or C1–C6 alkyl, specifically hydrogen; n is 0, 1, 2, or 3; each instance of R3 can independently be hydrogen, C1–C6 alkyl, phenoxy, C1–C6 alkoxy, halo, amino, C1–C6 alkylamino, di C1–C6 alkyl amino, imidazolyl, thiazolyl, isothiazolyl, thiadiazolyl, thienyl, furyl, pyrryl, naphthyl, phenyl, halophenyl, C1–C6 alkyl phenyl, or C1–C6 alkoxyphenyl. The preservative may be added to the emulsion after the emulsion is formed. The emulsion can be incorporated into a gypsum product such as gypsum board or gypsum wood fiber board. The gypsum product may be made by forming a slurry containing gypsum, water, and the emulsion into a solid product. A method for improving the water resistance of a lignocellulosic composite product prepared by mixing lignocellulosic material with a binder to form a mixture and solidifying the mixture in a selected configuration to form the composite product may include adding to the mixture an emulsion as described above.
    • 包含作为连续相的水的乳液,作为不连续相的蜡,具有一般结构的乳化剂和防腐剂:其中R 1可以是含有氮和硫的杂环,例如噻唑基,异噻唑基 或噻二唑基,其可任选被C 1 -C 6烷基取代; R 2可以是氢或C 1 -C 6烷基,特别是氢; n为0,1,2或3; R 3的每个实例可以独立地为氢,C 1 -C 6烷基,苯氧基,C 1〜 C 6烷氧基,卤素,氨基,C 1 -C 6烷基氨基,C 1 -C 2亚烷基氨基,C 1 -C 6亚烷基 > 6个烷基氨基,咪唑基,噻唑基,异噻唑基,噻二唑基,噻吩基,呋喃基,吡咯基,萘基,苯基,卤代苯基,C 1 -C 6烷基苯基 或C 1 -C 6烷氧基苯基。 在形成乳液之后,可以将防腐剂加入到乳液中。 乳液可以并入石膏制品如石膏板或石膏木纤维板中。 可以通过将含有石膏,水和乳液的浆料形成固体产物来制备石膏产品。 通过将木质纤维素材料与粘合剂混合以形成混合物并以选择的构型固化以形成复合产品而制备的木质纤维素复合材料的耐水性的方法可包括向混合物中加入如上所述的乳液。