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    • 21. 发明申请
    • PROCESS FOR RECOVERING WASTES OF A POLYMERIC COMPOSITION INCLUDING A PEROXIDIC CROSSLINKING AGENT
    • 用于回收包含过氧化物交联剂的聚合物的废物的方法
    • US20150284528A1
    • 2015-10-08
    • US14441335
    • 2012-11-14
    • PRYSMIAN S.P.A.
    • Franco GallettiVito Scrima
    • C08J11/28H01B7/17H01B7/00
    • C08J11/28C08J11/06C08J2315/00C08J2323/08C08J2323/16C08K5/005C08K5/14C08L2207/20H01B3/441H01B7/0045H01B7/17Y02W30/701
    • A process for recovering wastes of a polymeric composition including at least one peroxide-curable polymer and at least one peroxidic crosslinking agent, which includes compounding the wastes with at least one antioxidant agent suitable for sulfur-vulcanized elastomeric compositions, at a temperature lower than the decomposition temperature of the at least one peroxide crosslinking agent. These antioxidant agents are effective to quench the peroxide crosslinking agent, so as to avoid any substantial crosslinking of the composition during processing of the same. The compounding of the polymeric wastes with the antioxidant agent is carried out at a temperature lower than the decomposition temperature of the peroxide crosslinking agent, so as to avoid any premature activation of the crosslinking agent. The process is particularly suitable for compositions based on elastomeric polyolefins, more preferably for elastomeric ethylene copolymers such as ethylene-propylene copolymers (EPR) and ethylene-propylene-diene terpolymers (EPDM), which can be processed at relatively low temperatures, much lower than the decomposition temperatures of the most common peroxide crosslinking agents.
    • 一种用于回收包含至少一种可过氧化物固化的聚合物和至少一种过氧化交联剂的聚合物组合物的废物的方法,其包括将废物与至少一种适用于硫磺硫化的弹性体组合物的抗氧化剂混合在低于 所述至少一种过氧化物交联剂的分解温度。 这些抗氧化剂有效地猝灭过氧化物交联剂,以避免组合物在其加工过程中发生任何实质性的交联。 聚合物废物与抗氧化剂的混合在低于过氧化物交联剂的分解温度的温度下进行,以避免交联剂过早活化。 该方法特别适用于基于弹性体聚烯烃的组合物,更优选用于弹性体乙烯共聚物如乙烯 - 丙烯共聚物(EPR)和乙烯 - 丙烯 - 二烯三元共聚物(EPDM),其可以在比较低的温度下加工,远低于 最常见的过氧化物交联剂的分解温度。
    • 25. 发明授权
    • Phase inversion emulsification reclamation process
    • 相转化乳化回收工艺
    • US08968978B2
    • 2015-03-03
    • US13917114
    • 2013-06-13
    • Xerox Corporation
    • Shigang Steven QiuAmy GrilloChieh-Min ChengTie Hwee Ng
    • G03G9/087C08L67/02G03G9/08
    • G03G9/08755C08J11/06C08L67/02G03G9/0804G03G9/081G03G9/0819G03G9/08795G03G9/08797Y02W30/701
    • A method for reclaiming an out-of-spec emulsion material includes recovering the out-of-spec emulsion material from a scrap manufacturing batch; distilling the out-of-spec emulsion material to raise a solids content of the out-of-spec emulsion material to about 45 wt % or more based on a total weight of the emulsion material; dissolving the distilled emulsion material in a solvent to form a first mixture; adding a base to the first mixture to neutralize acid groups present in the distilled emulsion material, forming a second mixture; emulsifying the second mixture by adding water to the second mixture; and forming particles having an average particle diameter (D50v) within a target range, wherein the out-of-spec emulsion material has an average particle diameter falling outside of the target range.
    • 用于回收不规则乳液材料的方法包括从废料制造批次中回收超出规格的乳液材料; 蒸馏不合格的乳液材料,以将乳液材料的不合格物质的固体含量提高到约45重量%或更多,基于乳液材料的总重量; 将蒸馏的乳液材料溶解在溶剂中以形成第一混合物; 向所述第一混合物中加入碱以中和存在于所述蒸馏乳液材料中的酸基团,形成第二混合物; 通过向第二混合物中加入水乳化第二混合物; 以及将平均粒径(D50v)形成在目标范围内的颗粒,其中超出规格的乳液材料具有落在目标范围之外的平均粒径。
    • 30. 发明申请
    • METHOD OF MAKING STRUCTURAL MEMBERS USING WASTE AND RECYCLED PLASTICS
    • 使用废物和回收塑料制造结构成员的方法
    • US20140054825A1
    • 2014-02-27
    • US14065818
    • 2013-10-29
    • Darrel S. NelsonJames M. Oliver
    • Darrel S. NelsonJames M. Oliver
    • B29B7/00
    • B29B7/00B29C43/003C08J11/06Y02W30/701
    • A composite formulation consisting of agglomerated industrial/residential sewer sludge and recycled high density polyethylene (HDPE) and/or polypropylene (PP) materials. The recycled plastic materials act as a binder for the pozzolan industrial/residential sewer sludge. The composite formulation can be produced in a batching process wherein the sieved dried sewer sludge and the recycled plastic in appropriate small cut pieces is fed into a large plastic extruder, heated and extruded into specific structures. The formulation can also be compounded using a compression mold wherein sieved dry sewer sludge are added to heated chopped recycled plastics and heat mixed to produce pellets or directed into a compression mold to create a structural member of predetermined shape.
    • 由聚集的工业/住宅下水道污泥和回收的高密度聚乙烯(HDPE)和/或聚丙烯(PP)材料组成的复合制剂。 回收的塑料材料作为火山灰工业/住宅下水道污泥的粘合剂。 复合制剂可以在配料方法中制备,其中将筛分的干燥污水污泥和适当的小切片中的再循环塑料进料到大型塑料挤出机中,加热并挤压成特定的结构。 制剂也可以使用压缩模具进行复合,其中将筛分的干燥下水道污泥加入到加热的切碎的再循环塑料中并加热混合以产生颗粒或引入压缩模具中以形成预定形状的结构构件。