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Patent Searching and Data


Title:
A PROCESS OF MAKING BAMBOO PULP FOR PRODUCING CELLULOSE DIACETATE
Document Type and Number:
WIPO Patent Application WO/2005/103371
Kind Code:
A1
Abstract:
A process of making bamboo pulp for producing cellulose diacetate is disclosed. The process includes stock preparation, pre-hydrolyzing, digesting, beating, alkali treatment, bleaching, drying, etc. The present process may also used for producing other fibers. The bamboo pulp made of present process has high content of alpha cellulose. The present process solve problems of the prior art, that is, low content of alpha cellulose, low degree of polymerization, and high cost, etc.

Inventors:
ZHAO ZIQUN (CN)
Application Number:
PCT/CN2005/000527
Publication Date:
November 03, 2005
Filing Date:
April 18, 2005
Export Citation:
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Assignee:
ZHAO ZIQUN (CN)
International Classes:
D21C1/04; D21C3/02; D21C3/04; D21C9/12; (IPC1-7): D21C3/02; D21C1/04
Foreign References:
CN1458306A2003-11-26
CN1308160A2001-08-15
Other References:
LONG Y.Q. ET AL: "Technology of pulp and paper.", September 1980 (1980-09-01), pages 137 - 138
Attorney, Agent or Firm:
HANGZHOU HANGCHENG PATENT ATTORNEYS OFFICE CO. LTD. (No. 887 Jiang Cheng Rd, Hangzhou Zhejiang 9, CN)
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