Production method of special color paste for acrylic
A production method and acrylic technology, applied in dyeing, pigment paste, textiles and papermaking, etc., can solve the problems of low profit, high cost and high price of dyed acrylic materials, etc.
Active Publication Date: 2015-09-09
LIAONING ACRYLIC PLASTIC CO LTD
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Problems solved by technology
There are only a few color pastes on the market that can meet the national standard, but their cost is high and expensive. The cost of color paste in acrylic production accounts for about 10% of the total cost, resulting in high prices for dyed acrylic materials, and pressure The profits of the acrylic industry are generally low, only about 5%
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[0020] Such as figure 1 As shown, the preparation method of the special color paste for acrylic of the present embodiment comprises the following steps:
[0021] A. Deploying nitrocellulose: Mix 1% of 30" nitrocellulose with 99% butyl ester, 1% 1 / 2" nitrocellulose and 99% butyl ester respectively, and then mix the two mixtures in equal proportions; In the step, high-second nitrocellulose and low-second nitrocellulose are mixed with butyl ester separately and then mixed. Do not mix at one time, otherwise the nitrogen content will suddenly increase and explosion will occur.
[0022] B, deployment diluent: blend the nitrocellulose prepared in 15% of step A, 65% dioctyl phthalate, 10% rosin modified resin, and 10% castor oil; wherein dioctyl phthalate Ester is a typical excellent cold-resistant plasticizer for polyvinyl chloride. It has high plasticizing efficiency and small discoloration when heated. It can endow products with excellent low-temperature flexibility and light resi...
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The invention relates to a color paste manufacturing method, and especially a manufacturing method of color paste specially used for acrylic. The method comprises the following steps: respectively mixing 30'' nitrocotton with butyl ester, and 1 / 2'' nitrocotton with butyl ester, then mixing and blending the two mixtures; adding dioctyl phthalate, rosin-modified resin, and castor oil into the mixed nitrocotton according to a certain proportion, and blending; mixing a diluent with a toner according to a certain proportion; grinding the mixed toner and the diluent till the diluent and the toner are fully blended; adding a dispersant and an anti-oxidant into the grinded color paste according to a certain proportion; grinding the color paste added with the dispersant and the anti-oxidant again; filtering the grinded color paste to obtain the color paste finished product. Various indexes of the color paste specially used for acrylic manufactured by the manufacturing method of the invention meet the national quality standard; the price of the color paste is decreased by 50%-70% when compared with that of original color paste specially used for acrylic; the manufacturing method is suitable for wide application in the whole industry.
Description
technical field [0001] The invention relates to a method for preparing a color paste, in particular to a method for manufacturing a special color paste for acrylic. Background technique [0002] At present, when coloring acrylic materials in China, ordinary plastic color pastes are often used to act on acrylic sheets so that the acrylic sheets cannot meet the national standards in terms of weather resistance, heat resistance, and light resistance. There are only a few color pastes on the market that can meet the national standard, but their cost is high and expensive. The cost of color paste in acrylic production accounts for about 10% of the total cost, resulting in high prices for dyed acrylic materials, and pressure The profits of the acrylic industry are generally low, only about 5%. Contents of the invention [0003] The invention provides a method for manufacturing acrylic special-purpose tube color paste that improves weather resistance, heat resistance, and light ...
Claims
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IPC IPC(8): C09D17/00D06P1/44D06P1/50D06P3/34
Inventor 姬振英
Owner LIAONING ACRYLIC PLASTIC CO LTD