A process for making lignin-epoxide resins from lignin separated from the waste cooking liquor from a paper pulping process comprising the steps of reacting the separated lignin with a chemical system to produce unsaturated end groups on the lignin molecule which are epoxidized to produce the resin.
申请公布号
US4265809(A)
申请公布日期
1981.05.05
申请号
US19790072244
申请日期
1979.09.04
申请人
HOLSOPPLE, DALE B.;KURPLE, WASYL W.;KURPLE, WILLIAM M.;KURPLE, KENNETH R.
发明人
HOLSOPPLE, DALE B.;KURPLE, WASYL W.;KURPLE, WILLIAM M.;KURPLE, KENNETH R.