Manila board for red packet paper and preparation method of Manila board for red packet paper
A technology for whiteboard paper and whiteboard on grey background, which is applied in the field of whiteboard paper on grey background and its preparation, can solve the problems that the paper strength and bulk cannot meet the requirements of customers and the production cost is high, and achieve good whiteness and gloss, meet the The effect of saving energy and reducing consumption and good printing performance
Active Publication Date: 2016-06-15
JIAN GRP
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Problems solved by technology
[0002] At present, most of the base paper of red envelope paper on the market is coated paper. Coated paper is printing paper made of base paper coated with white paint. The whiteness and gloss achieved during the production process, as well as the strength and The bulkiness cannot meet the requirements of customers, and its production cost is relatively high
Method used
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[0045] The present invention will be described in detail below in conjunction with specific embodiments.
[0046] (1) pulping
[0047]The surface layer uses MOW deinking pulp, and its raw materials include mixed waste paper with 50% daily waste and 50% book paper; the core layer uses DIP waste paper pulp, and its raw materials include European waste A2100%; the bottom layer uses OCC waste paper pulp, Its raw materials include 50% of American waste 3# and 50% of European waste A2. The raw material pulp used in each layer is sent to the drum pulper for crushing, and chemical agents are added to the drum pulper of each layer to improve and control the whiteness of the pulp. The drum pulper for the core layer slurry contains caustic soda and deinking agent, wherein the value of caustic soda is 3-8kg / t.p, and the value of deinking agent is 0.3-0.8kg / t.p; The drum pulper contains caustic soda, sodium silicate, deinking agent and DTPA, wherein the value of caustic soda is 6-12kg / t....
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Abstract
The invention provides a Manila board for red packet paper and a preparation method of the Manila board for the red packet paper.The Manila board comprises a surface layer, a core layer, a bottom layer, a front glue applying layer and a back glue applying layer.The Manila board for the red packet paper and the preparation method of the Manila board for the red packet paper have the advantages that during pulping, pulp whiteness of the surface layer is improved by one-time flotation, pulp whiteness of the core layer and the bottom layer is improved by two times of flotation and by the aid of reducing bleach, and whiteness is controlled during production, so that the finished Manila board for the red packet paper has good whiteness and luster, and whiteness stability is guaranteed; additionally, through a waste paper pulp and bleached pulp collocated raw material ratio mode, production cost is reduced, environmental protection is achieved and the national energy-saving consumption-reducing requirements are met.
Description
technical field [0001] The invention relates to the technical field of papermaking, in particular to gray-bottomed white board paper used for red envelope paper and a preparation method thereof. Background technique [0002] At present, most of the base paper of red envelope paper on the market is coated paper. Coated paper is printing paper made of base paper coated with white paint. The whiteness and gloss achieved during the production process, as well as the strength and The bulkiness cannot meet the requirements of customers, and its production cost is also relatively high. Contents of the invention [0003] In order to meet customers' requirements on the whiteness and glossiness of red envelope paper base paper, reduce production costs and respond to national energy saving and consumption reduction requirements, the invention provides a gray-bottomed white board paper used for red envelope paper. [0004] In order to prepare the above-mentioned gray-bottomed white b...
Claims
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Patent Timeline
Login to View More IPC IPC(8): D21H27/30D21H11/14D21H21/16D21H19/82D21C5/02D21F11/00B32B29/00
CPCB32B29/005B32B2307/406B32B2439/46D21C5/025D21F11/00D21H11/14D21H19/824D21H21/16D21H27/30Y02W30/64
Inventor 舒君明王宏伟许丛保杨芳华寿磊铭
Owner JIAN GRP