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    • 1. 发明申请
    • LIPOHYDROPHILIC GLYCEROL BASED POLYMERS AS DIGESTION AIDS FOR IMPROVING WOOD PULPING PROCESSES
    • 用于改善木屑加工工艺的用于抑制艾滋病的基于磷酸甘油酯的聚合物
    • US20110220307A1
    • 2011-09-15
    • US12720973
    • 2010-03-10
    • Prasad Y. DuggiralaXiaojin Harry Li
    • Prasad Y. DuggiralaXiaojin Harry Li
    • D21C3/22
    • D21C3/222D21C3/02
    • The invention provides a method of improving the digestion of wood chips into pulp. The method involves: adding a liphohydrophilic glycerol-based polymer additive to a solution used in the digestion process. This additive is unexpectedly effective at facilitating digestion. The branched and ether structure of the additive allows it to withstand the harsh nature of a highly alkaline environment. In addition, it is more soluble in high pH than other surfactants. The structure, resistance, and particular balance between hydrophobic and hydrophilic regions, causes the additive to increases the interaction between the wood chips and the digestion chemicals. This in turn reduces the costs, the amount of additive needed, and the amount of reject wood chunks that result from the digestion process.
    • 本发明提供了一种改善木屑进入纸浆的消化方法。 该方法涉及:将一种亲水基亲油甘油基聚合物添加剂加入到消化过程中使用的溶液中。 这种添加剂在促进消化方面出人意料地有效。 添加剂的支链和醚结构使其能够承受高碱性环境的苛刻性质。 此外,它比其他表面活性剂更易溶于高pH。 疏水和亲水区域之间的结构,电阻和特殊的平衡导致添加剂增加了木片与消化化学物质之间的相互作用。 这又降低了成本,所需添加剂的量以及消化过程产生的拒收木块的量。
    • 3. 发明授权
    • Lipohydrophilic glycerol based polymers as digestion aids for improving wood pulping processes
    • 亲水性亲油甘油基聚合物作为改进木材制浆工艺的消化助剂
    • US08366877B2
    • 2013-02-05
    • US12720973
    • 2010-03-10
    • Prasad Y. DuggiralaXiaojin Harry Li
    • Prasad Y. DuggiralaXiaojin Harry Li
    • D21C3/00D21C3/26
    • D21C3/222D21C3/02
    • The invention provides a method of improving the digestion of wood chips into pulp. The method involves: adding a liphohydrophilic glycerol-based polymer additive to a solution used in the digestion process. This additive is unexpectedly effective at facilitating digestion. The branched and ether structure of the additive allows it to withstand the harsh nature of a highly alkaline environment. In addition, it is more soluble in high pH than other surfactants. The structure, resistance, and particular balance between hydrophobic and hydrophilic regions, causes the additive to increases the interaction between the wood chips and the digestion chemicals. This in turn reduces the costs, the amount of additive needed, and the amount of reject wood chunks that result from the digestion process.
    • 本发明提供了一种改善木屑进入纸浆的消化方法。 该方法涉及:将一种亲水基亲油甘油基聚合物添加剂加入到消化过程中使用的溶液中。 这种添加剂在促进消化方面出人意料地有效。 添加剂的支链和醚结构使其能够承受高碱性环境的苛刻性质。 此外,它比其他表面活性剂更易溶于高pH。 疏水和亲水区域之间的结构,电阻和特殊的平衡导致添加剂增加了木片与消化化学物质之间的相互作用。 这又降低了成本,所需添加剂的量以及消化过程产生的拒收木块的量。
    • 4. 发明申请
    • CROSS-LINKED GLYCEROL BASED POLYMERS AS DIGESTION AIDS FOR IMPROVING WOOD PULPING PROCESSES
    • 用于改进木材加工工艺的交联型甘油酯聚合物
    • US20130139981A1
    • 2013-06-06
    • US13758299
    • 2013-02-04
    • Prasad Y. DuggiralaXiaojin Harry Li
    • Prasad Y. DuggiralaXiaojin Harry Li
    • D21C3/22
    • D21C3/22D21C3/02D21C3/06D21C3/222D21C3/28
    • The invention provides a method of improving the digestion of wood chips into pulp. The method involves: adding a cross-linked glycerol-based polymer additive to a solution used in the digestion process. This additive is unexpectedly effective at facilitating digestion. The branched and ether structure of the additive allows it to withstand the harsh nature of a high stress environment. In addition, it is more soluble in the harsh condition than other surfactants. The structure, resistance, and particular balance between hydrophobic and hydrophilic regions, causes the additive to increases the interaction between the wood chips and the digestion chemicals. This in turn reduces the costs, the amount of additive needed, and the amount of reject wood chunks that result from the digestion process.
    • 本发明提供了一种改善木屑进入纸浆的消化方法。 该方法包括:将交联的甘油基聚合物添加剂加入到消化过程中使用的溶液中。 这种添加剂在促进消化方面出人意料地有效。 添加剂的支链和醚结构允许其承受高应力环境的苛刻性质。 此外,它比其它表面活性剂在恶劣条件下更易溶。 疏水和亲水区域之间的结构,电阻和特殊的平衡导致添加剂增加了木片与消化化学物质之间的相互作用。 这又降低了成本,所需添加剂的量以及消化过程产生的拒收木块的量。
    • 10. 发明申请
    • GLYCEROL BASED POLYMER SURFACE ACTIVE CHEMISTRY AND PRODUCTION
    • 基于甘油的聚合物表面活性化学和生产
    • US20120238776A1
    • 2012-09-20
    • US13484526
    • 2012-05-31
    • Xiaojin Harry LiPrasad DuggiralaJoanna L. Shih
    • Xiaojin Harry LiPrasad DuggiralaJoanna L. Shih
    • C07C67/00
    • C08G65/34C08G65/48
    • The invention provides a method of efficiently producing branched, cyclic glycerol-based polymer surface active products having ester and alkyl functional groups with a co-product as anti-biodegrading agent from inexpensive readily available glycerol monomer. The method involves polymerizing glycerol or glycerol with at least another monomer to multiple other monomers in the presence of particular amount of a strong base as the catalyst under a particular distillation environment. The polyol then undergoes esterification, alkylation and crosslinking in presence of particular amount of a catalyst under a particular low activity atmospheric environment. The glycerol-based polymer surface active products produced by the inventive method are beneficial for reducing lignin, extractives and rejects levels in pulping process of papermaking industry.
    • 本发明提供了一种有效生产具有酯和烷基官能团的支化环状甘油基聚合物表面活性产物的方法,其具有由廉价容易获得的甘油单体作为抗生物降解剂的共产物。 该方法包括在特定蒸馏环境下,在特定量的强碱作为催化剂的存在下,将甘油或甘油与至少另一种单体聚合成多种其它单体。 在特定的低活性大气环境下,多元醇在特定量的催化剂存在下进行酯化,烷基化和交联。 通过本发明方法生产的基于甘油的聚合物表面活性产品有利于降低造纸工业制浆过程中的木质素,提取物和废料水平。