| Original document(5 pages) Authorized document(2 pages) 中文版 |
In order to raise the heat-resistant stability of rosin size and solve the problem that it is difficult for summer sizing in the paper-making industry, the present invention adopts a natural oxidation method. The rosin size made of the modified rosin obtained by the said method has the high heat-resistance, and can meet the requirements of summer sizing. |
Application Number
申请号 |
88107962 |
Application Date
申请日 |
1988.11.14 |
| Title 名称 |
Modifying process for rosin |
Publication Number
公开号 |
1042727 |
Publication Date
公开日 |
1990.06.06 |
| Approval Pub. Date |
|
Granted Pub. Date |
1991.10.09 |
| International Classification 分类号 |
C08L93/04,C09F1/04 |
Applicant(s) Name
申请人 |
Jinhua City Inst. of Industrial Science |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Bi Zhenyun |
| Attorney & Agent 代理人 |
NIU ZICHENG |
| More information 更 多 信 息 |
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