Natural-color straw pulp with improved freeness, air permeability and folding strength, and stable performance
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANDONG FUYIN PAPER & ENVIRONMENTAL PROTECTION TECH
- Publication Date
- 2011-06-08
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Abstract
Description
technical field
[0001] The present invention relates to a kind of natural color straw pulp with improved freeness, air permeability and folding resistance and stable performance, specifically, the present invention relates to a kind of said natural color straw pulp, and their mixed pulp, Applications in paper products. Background technique
[0002] In daily life, paper can be divided into cultural paper, industrial paper, household paper and special paper according to its use, among which cultural paper can be simply divided into uncoated paper and coated paper. Uncoated paper is called uncoated paper, such as newsprint, offset paper, electrostatic copy paper and writing paper, etc.; coated paper is called coated paper, such as coated paper, calendar paper, Glossy paper, glass cardboard, etc. Their manufacture includes the following steps:
[0003] Pulping section: raw material selection→cooking and separating fibers→washing→bleaching→washing and screening→concentrating o...