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    • 5. 发明授权
    • Process for the production of moldings from cellulose-containing materials
    • 用于从含纤维素材料生产模制品的方法
    • US08377359B2
    • 2013-02-19
    • US11410482
    • 2006-04-25
    • Tammo BoinowitzTorsten HenningHelmut Lammerting
    • Tammo BoinowitzTorsten HenningHelmut Lammerting
    • B29C39/00
    • B27N3/083B29C33/64
    • A process for the production of compact cellulose-containing moldings by reacting optionally modified organic polyisocyanates with cellulose, in particular lignocellulose, in the presence of mold release agents in an open or closed mold, wherein the mold release agents used are siloxane compounds containing aminopropyl groups and of the general formula (I) in which R1 is CH3 and/or R2, R2 is —(CH2)x—NH—R3 and/or —(O)y—(CH2)x—NH—R3′, R3 and R3′, independently of one another, may be H or —(CH2)x—NH2, R4 is —(CH2)x—NH—(CH2—CH2—O)z—R5 where R5 is an aryl or alkyl radical n is from 50 to 1000, m is from 0 to 20, with the ratio m:n=0 to 0.4, k is from 0 to 20, x is from 1 to 20, y is 0 or 1, z is from 1 to 20, with the proviso that at least one amino-functionalized radical is present.
    • 一种通过任选改性的有机多异氰酸酯与纤维素,特别是木素纤维素在开模或封闭模具中存在脱模剂反应生产紧密纤维素的模制品的方法,其中使用的脱模剂是含氨基丙基的硅氧烷化合物 和其中R 1是CH 3和/或R 2的通式(I),R 2是 - (CH 2)x -NH-R 3和/或 - (O)y - (CH 2)x -NH-R 3' R 3'彼此独立地可以是H或 - (CH 2)x -NH 2,R 4是 - (CH 2)x -NH-(CH 2 -CH 2 -O)z -R 5,其中R 5是芳基或烷基n m为0〜20,m:n = 0〜0.4,k为0〜20,x为1〜20,y为0或1,z为1〜20, 条件是存在至少一个氨基官能化基团。