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    • 7. 发明授权
    • Process of making lignocellulosic articles
    • 制备木质纤维素制品的方法
    • US06638459B2
    • 2003-10-28
    • US10224237
    • 2002-08-20
    • Donald C. MenteLi-Mei LuDavid D. PetersJoe C. WilsonAnthony G. Schaefer
    • Donald C. MenteLi-Mei LuDavid D. PetersJoe C. WilsonAnthony G. Schaefer
    • B29B1112
    • B27N3/002C08G18/283C08G18/6492C08G18/7664C08K5/205C08L97/02C08L75/04
    • A method for preparing compression molded or pressed lignocellulosic articles is disclosed. The method involves forming a binder resin by combining a polyisocyanate component with a parting agent and preferably a synergist. The parting agent is the reaction product of an isocyanate compound and an isocyanate-reactive compound of the general structure R—(ao)n—Y where: R is a hydrophobic group containing alkyl, alkaryl, polyaryl, or siloxane moieties; (ao) is an alkylene oxide or mixture of alkylene oxides; n is from 1 to 25; and Y represents a monofunctional isocyanate-reactive group. A resinated lignocellulosic mixture is formed by combining the binder resin with lignocellulosic particles. Then a compression molded or pressed lignocellulosic article is formed by compressing the resinated lignocellulosic mixture at an elevated temperature and under pressure. It is particularly preferred that the binder resin further include a synergist of either a C1-4 N-alkylpyrrolidone, gamma-butyrolactone, or a mixtures of them. The most preferred synergist is N-methyl-2-pyrrolidine.
    • 公开了制备压塑或压制木质纤维制品的方法。 该方法包括通过将多异氰酸酯组分与分离剂组合并优选增效剂来形成粘合剂树脂。 脱模剂是通式R-(ao)n-Y的异氰酸酯化合物和异氰酸酯反应性化合物的反应产物,其中:R是含烷基,烷芳基,聚芳基或硅氧烷部分的疏水基团; (ao)是烯化氧或环氧烷烃的混合物; n为1至25; Y表示单官能异氰酸酯反应性基团。 通过将粘合剂树脂与木质纤维素颗粒结合形成树脂化的木质纤维素混合物。 然后通过在升高的温度和压力下压缩树脂化的木质纤维素混合物来形成压塑或压制的木质纤维素制品。 特别优选的是,粘合剂树脂还包括C1-4 N-烷基吡咯烷酮,γ-丁内酯或它们的混合物的增效剂。 最优选的增效剂是N-甲基-2-吡咯烷。
    • 8. 发明授权
    • Binder resin and synergist composition including a parting agent and process of making lignocellulosic
    • 粘合剂树脂和增效剂组合物,其包括脱模剂和制备木质纤维素的方法
    • US06464820B2
    • 2002-10-15
    • US09751145
    • 2000-12-29
    • Donald C. MenteLi-Mei LuDavid D. PetersJoe C. WilsonAnthony G. Schaefer
    • Donald C. MenteLi-Mei LuDavid D. PetersJoe C. WilsonAnthony G. Schaefer
    • B27N302
    • B27N3/002C08G18/283C08G18/6492C08G18/7664C08K5/205C08L97/02C08L75/04
    • A method for preparing compression molded or pressed lignocellulosic articles is disclosed. The method involves forming a binder resin by combining a polyisocyanate component with a parting agent and preferably a synergist. The parting agent is the reaction product of an isocyanate compound and an isocyanate-reactive compound of the general structure R—(ao)n—Y where: R is a hydrophobic group containing alkyl, alkaryl, polyaryl, or siloxane moieties; (ao) is an alkylene oxide or mixture of alkylene oxides; n is from 1 to 25; and Y represents a monofunctional isocyanate-reactive group. A resinated lignocellulosic mixture is formed by combining the binder resin with lignocellulosic particles. Then a compression molded or pressed lignocellulosic article is formed by compressing the resinated lignocellulosic mixture at an elevated temperature and under pressure. It is particularly preferred that the binder resin further include a synergist of either a C1-4 N-alkylpyrrolidone, gamma-butyrolactone, or a mixtures of them. The most preferred synergist is N-methyl-2-pyrrolidine.
    • 公开了制备压塑或压制木质纤维制品的方法。 该方法包括通过将多异氰酸酯组分与分离剂组合并优选增效剂来形成粘合剂树脂。 脱模剂是通式R-(ao)n-Y的异氰酸酯化合物和异氰酸酯反应性化合物的反应产物,其中:R是含烷基,烷芳基,聚芳基或硅氧烷部分的疏水基团; (ao)是烯化氧或环氧烷烃的混合物; n为1至25; Y表示单官能异氰酸酯反应性基团。 通过将粘合剂树脂与木质纤维素颗粒结合形成树脂化的木质纤维素混合物。 然后通过在升高的温度和压力下压缩树脂化的木质纤维素混合物来形成压塑或压制的木质纤维素制品。 特别优选的是,粘合剂树脂还包括C1-4 N-烷基吡咯烷酮,γ-丁内酯或它们的混合物的增效剂。 最优选的增效剂是N-甲基-2-吡咯烷。