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- Zhang, L. (author)
Method for prepn. of biological degradability regenerative cellulose waterproof film and cellulose products
- BookEnglish1998
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- Univ Wuhan,1998
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-166031
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-166031URI
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- Language:English
- Summary in:English
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- QS 2015
- 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.
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- Zhou, Qi (author)
- Gong, P. (author)
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