Polyvinyl butryal (PVB) resin is lightly cross-linked through intermolecular linkages developed through use of the hydrated form of formaldehyde to selectively increase PVB molecular weight and the modulus and to control the surface roughness of a plasticized sheet formed therefrom.
申请公布号
DE3582139(D1)
申请公布日期
1991.04.18
申请号
DE19853582139
申请日期
1985.12.16
申请人
MONSANTO CO., ST. LOUIS, MO., US
发明人
CARTIER, GEORGE ETIENNE, SPRINGFIELD MASSACHUSETTS 01118, US
