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    • 5. 发明授权
    • Superabsorbent polymer having increased rate of water absorption
    • 超吸收性聚合物具有增加的吸水率
    • US07163966B2
    • 2007-01-16
    • US10741271
    • 2003-12-19
    • Mark C. JoyWhei-Neen Hsu
    • Mark C. JoyWhei-Neen Hsu
    • C08J9/08C08F20/02
    • A61L15/60C08L33/10C08L33/08
    • The invention relates to a superabsorbent polymer wherein an increased rate of water absorption is obtained by the addition of an encapsulated blowing agent. The invention relates to a superabsorbent polymer including an encapsulating blowing agent and having a vortex time of 40 seconds or less. In particular, the superabsorbent polymer includes from about 55 to about 99.9 wt. % of polymerizable unsaturated acid group containing monomers; from about 0.001 to about 5.0 wt. % of internal crosslinking agent; wherein the wherein the composition has a degree of neutralization of more than about 20%; and from about 0.05 to about 10.0 wt. % of an encapsulated blowing agent.
    • 本发明涉及一种超吸收性聚合物,其中通过加入包封的发泡剂获得增加吸水率。 本发明涉及一种包含发泡剂的超吸收性聚合物,其旋涡时间为40秒以下。 特别地,超吸收性聚合物包括约55-约99.9wt。 %的含可聚合不饱和酸基团的单体; 约0.001至约5.0重量% %的内部交联剂; 其中所述组合物的中和度大于约20%; 和约0.05至约10.0重量% %的封装发泡剂。
    • 8. 发明授权
    • Superabsorbent polymer having increased rate of water absorption
    • 超吸收性聚合物具有增加的吸水率
    • US07615579B2
    • 2009-11-10
    • US11610749
    • 2006-12-14
    • Mark C. JoyWhei-Neen Hsu
    • Mark C. JoyWhei-Neen Hsu
    • C08J9/08C08F20/02
    • A61L15/60C08L33/10C08L33/08
    • The invention relates to a superabsorbent polymer wherein an increased rate of water absorption is obtained by the addition of an encapsulated blowing agent. The invention relates to a superabsorbent polymer including an encapsulating blowing agent and having a vortex time of 40 seconds or less. In particular, the superabsorbent polymer includes from about 55 to about 99.9 wt. % of polymerizable unsaturated acid group containing monomers; from about 0.001 to about 5.0 wt. % of internal crosslinking agent; wherein the wherein the composition has a degree of neutralization of more than about 20%; and from about 0.05 to about 10.0 wt. % of an encapsulated blowing agent.
    • 本发明涉及一种超吸收性聚合物,其中通过加入包封的发泡剂获得增加吸水率。 本发明涉及一种包含发泡剂的超吸收性聚合物,其旋涡时间为40秒以下。 特别地,超吸收性聚合物包括约55-约99.9wt。 %的含可聚合不饱和酸基团的单体; 约0.001至约5.0wt。 %的内部交联剂; 其中所述组合物具有大于约20%的中和度; 和约0.05至约10.0重量% %的封装发泡剂。