Method for prepn. of biological degradability regenerative cellulose waterproof film and cellulose products
1998 (English)Patent (Other (popular science, discussion, etc.))
A process for preparing water-proof regenerated cellulose film and water-proof cellulose products freatures use of biodegradable water-proof paint which is composed of pre-polymer of polyurthane, nitrocellulose, SO1-17 liquid, ethyl acetate and less N, N -dimethyl ethanolamine. Its technological steps include coating the surface of regenerated fibre film or cellulose product with and solidifying at 70-90 deg. C for 1-5 min. Obtained products have obviousely improved water-proof nature and tension strength over than 350 kg/sq. cm after immersed in water. The water vapour penetrating it is 0.004-0.005 g.sq. cm. d. It is fully biodegradable.
Place, publisher, year, edition, pages
Univ Wuhan , 1998.
Paper, Pulp and Fiber Technology
IdentifiersURN: urn:nbn:se:kth:diva-166031OAI: oai:DiVA.org:kth-166031DiVA: diva2:809248
QS 20152015-04-302015-04-302015-05-06Bibliographically approved