公开(公告)号：US4395504A

公开(公告)日：1983-07-26

申请号：US415143

申请日：1982-09-07

Applicant: Theodore Sulzberg ,  Chi Ma

Inventor： Theodore Sulzberg ,  Chi Ma

IPC: C08G12/00 ,  C08G12/26 ,  C09J161/20 ,  C09J161/26 ,  B32B21/02 ,  C08G12/12 ,  C08L1/00

CPC classification number: C08G12/26 ,  C09J161/26 ,  Y10T428/253 ,  Y10T428/2998 ,  Y10T428/31957 ,  Y10T428/31989

Abstract: A formaldehyde-free adhesive system for the manufacture of particleboard comprises the reaction product of a cyclic urea and glyoxal in an equivalent ratio of about 1.1-1.5:1.

Abstract translation: 用于制造刨花板的不含甲醛的粘合剂体系包含环状脲和乙二醛的反应产物，其当量比为约1.1-1.5:1。

公开(公告)号：US4869991A

公开(公告)日：1989-09-26

申请号：US252339

申请日：1988-10-03

Applicant: Joseph deGraft-Johnson ,  Chi Ma ,  Richard R. L. Wells

Inventor： Joseph deGraft-Johnson ,  Chi Ma ,  Richard R. L. Wells

IPC: G03G9/12 ,  G03G9/13 ,  G03G9/135

CPC classification number: G03G9/131 ,  G03G9/1355

Abstract: A charge director composition dispersed in at least one solvent comprising:A. a salt mixture comprised of 1-10 parts by weight each of:(i) a chromium salt of a C.sub.14-18 alkyl salicylic acid;(ii) a calcium didecyl sulfosuccinate; and(iii) a salt of the didecyl ester of sulfosuccinate acid and at least 50% of the basic nitrogen radicals of a copolymer of lauryl methacrylate, stearyl methacrylate and 2-methyl-5-vinyl pyridine, said copolymer having a vinyl pyridine content of 20-30% by weight and an average molecular weight of 15,000-250,000; andB. a salt-free copolymer of (i) laurylmethacrylate and (ii) a monomer selected from 2- or 4-vinylpyridine, styrene and N,N-dimethylaminoethylmethacrylate and mixtures thereof, said copolymer having a molecular weight from about 15,000 to about 100,000, and the weight ratio of monomers B(i) to B(ii) is from about 4:1 to about 50:1; and wherein the weight ratio of B:A is from 10:3 to about 40:3.

Abstract translation: 分散在至少一种溶剂中的电荷导向剂组合物，包括：A.盐混合物，其由1-10重量份的每一个组成：（i）C14-18烷基水杨酸的铬盐; （ii）二癸基磺基琥珀酸钙; 和（iii）磺基琥珀酸的二癸酯的盐和至少50％的甲基丙烯酸月桂酯，甲基丙烯酸硬脂酯和2-甲基-5-乙烯基吡啶的共聚物的碱性氮自由基，所述共聚物的乙烯基吡啶含量为 20-30重量％，平均分子量15,000-250,000; （i）甲基丙烯酸月桂酯和（ii）选自2-或4-乙烯基吡啶，苯乙烯和甲基丙烯酸N，N-二甲基氨基乙酯及其混合物的单体的无盐共聚物，所述共聚物的分子量为约15,000至约 单体B（i）与B（ii）的重量比为约4:1至约50:1; 并且其中B:A的重量比为10:3至约40:3。