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    • 29. 发明申请
    • COMPOSITIONS FOR IMPROVING PHYSICAL STRENGTH PROPERTIES AND HUMIDITY RESISTANCE OF PAPER PRODUCTS
    • 用于改善纸张产品的物理强度特性和耐湿性的组合物
    • WO00028141A1
    • 2000-05-18
    • PCT/US1999/026541
    • 1999-11-09
    • D21H17/02D21H17/06D21H17/23D21H21/18D21H21/20D21H17/71
    • D21H17/23D21H17/02D21H17/06D21H21/18D21H21/20Y10T428/24934
    • Compositions for enhancing the strength and humidity resistance of lignocellulosic fibrous materials such as paper. The compositions are comprised of at least one lignin derivative and a solvent system whereby the solvent system is comprised of water and at least one organic solvent. Suitable lignin derivatives include but are not limited to lignosulfonate, lignosulfonate/kraft lignin, lignosulfonate/organosolv, and mixtures thereof. Sugar may be optionally added to further enhance the strength and humidity resistance of lignocellulosic fibrous materials. Suitable sugars include but are not limited to sucrose, fructose, glucose, ribose, mannose maltose, glucose amine, and mixtures thereof. Other optional strength enhancing materials including but not limited to starch, carboxymethyl cellulose, and mixtures thereof may also be added if desired to provide additional strength and humidity resistance. The strength and humidity resistance of lignocellulosic fibrous materials treated with the compositions of this invention may be further enhanced by the optional application of thermal energy, radiant energy or combinations thereof. The invention also relates to a method of enhancing the strength and humidity resistance of lignocellulosic fibrous materials.
    • 用于增强木质纤维素纤维材料如纸的强度和耐湿性的组合物。 组合物由至少一种木质素衍生物和溶剂体系组成,其中溶剂体系由水和至少一种有机溶剂组成。 合适的木质素衍生物包括但不限于木质素磺酸盐,木质素磺酸盐/硫酸盐木质素,木质素磺酸盐/有机溶剂,及其混合物。 可以任选地加入糖以进一步增强木质纤维素纤维材料的强度和耐湿性。 合适的糖包括但不限于蔗糖,果糖,葡萄糖,核糖,甘露糖麦芽糖,葡萄糖胺及其混合物。 如果需要,还可以加入其它任选的强化增强材料,包括但不限于淀粉,羧甲基纤维素及其混合物,以提供额外的强度和耐湿性。 用本发明组合物处理的木质纤维素纤维材料的强度和耐湿性可以通过任选施加热能,辐射能或其组合进一步增强。 本发明还涉及提高木质纤维素纤维材料的强度和抗湿性的方法。