Temporary wet strength resins with nitrogen heterocyclic nonnucleophilic functionalities and paper products containing same
申请人:THE PROCTER & GAMBLE COMPANY
公开号:EP0350276A2
公开(公告)日:1990-01-10
Temporary wet strength resins, and paper products containing same, having a molecular weight of from about 20,000 to about 200,000, most preferably from about 30,000 to about 95,000, having the formula:
wherein: A is
and X is -0-, -NH-, or -NCH3-, and R is a substituted or unsubstituted aliphatic group; Yi and Y2 are independently -H, -CH3, or a halogen; W is a nonnucleophilic, water-soluble nitrogen heterocyclic moiety; and Q is a cationic monomeric unit. The mole percent of "a" ranges from about 30% to about 70%, preferably from about 45% to about 55%; the mole percent of "b" ranges from about 30% to about 70%, preferably from about 45% to about 55%; and the mole percent of "c" ranges from about 10/0 to about 400/0, most preferably from about 2% to about 8%.
临时湿强度树脂和含有这种树脂的纸制品,其分子量约为 20,000 至约 200,000 之间,最优选的分子量约为 30,000 至约 95,000 之间,具有以下式子:
其中A 是
X是-0-、-NH-或-NCH3-,R是取代或未取代的脂肪族基团;Yi和Y2独立地是-H、-CH3或卤素;W是非亲核、水溶性氮杂环分子;Q是阳离子单体单元。a "的摩尔百分比范围为约 30%至约 70%,优选约 45%至约 55%;"b "的摩尔百分比范围为约 30%至约 70%,优选约 45%至约 55%;"c "的摩尔百分比范围为约 10/0 至约 400/0,最优选约 2%至约 8%。