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Wood paint base material

A lacquer-based and wood-based technology, which is applied in the field of wood-based lacquer base materials, can solve the problem of low binding force of carboxylated styrene-butadiene latex, and achieve the effects of good mechanical and chemical stability, good performance, and uniform molecular weight distribution

Active Publication Date: 2018-09-04
ZHEJIANG TIANCHEN PLASTIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved in the present invention is: in order to solve the technical problem that the existing carboxylated styrene-butadiene latex is used as the base material of wood lacquer with low bonding force with the wood board, a kind of latex is provided as the base material of wood lacquer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-2 and comparative example 1-4

[0037] Effect of mass ratio of vinyl toluene, butadiene and styrene on properties of wood paint base

[0038] Embodiment 1-2 and comparative example 1-4 provide wood lacquer base material, and the parts by weight of preparation raw material are composed as follows:

[0039] The mass parts of butadiene, styrene and vinyl toluene are shown in Table 3, 2 parts of acrylic acid, 1 part of N-methylolacrylamide, 1.4 parts of anionic emulsifier (sodium lauryl sulfate), nonionic emulsifier ( S-120) 0.6 parts, ammonium persulfate 2 parts, dodecyl mercaptan 0.8 parts, water 100 parts, alkali 0.8 parts, seed emulsion 2 parts;

[0040] Prepared by the following method:

[0041] S1: Prepare a mixed aqueous solution of N-methylolacrylamide, anionic emulsifier (sodium lauryl sulfate) and nonionic emulsifier (S-120), alkaline aqueous solution and ammonium persulfate aqueous solution with water;

[0042] S2: Add the remaining water and seed emulsion to the polymerization kettle, vacuumize the...

Embodiment 3-5 and comparative example 5-10

[0059] Effect of Polymerization Reaction Time on Properties of Wood Lacquer Binder

[0060] Embodiment 3-5 and comparative example 5-10 provide wood lacquer base material, and the parts by weight of preparation raw material are composed as follows:

[0061] 40 parts of butadiene, 30 parts of styrene, 30 parts of vinyl toluene, 3 parts of methacrylic acid, 1.5 parts of acrylamide, 1.4 parts of anionic emulsifier (sodium dodecylbenzenesulfonate), nonionic emulsifier (S -120) 0.6 part, 2 parts of sodium persulfate, 0.5 part of dodecyl mercaptan, 90 parts of water, 0.5 part of alkali, 2 parts of seed emulsion;

[0062] Prepared by the following method:

[0063] S1: Prepare a mixed aqueous solution of acrylamide, anionic emulsifier (sodium dodecylbenzenesulfonate) and nonionic emulsifier (S-120), alkaline aqueous solution and sodium persulfate aqueous solution with water;

[0064] S2: Add the remaining water and seed emulsion into the polymerization kettle, vacuumize the inside o...

Embodiment 6-7 and comparative example 11

[0079] Effect of Polymerization Temperature on Polymerization Speed ​​of Wood Lacquer Binder

[0080] Embodiment 6-7 and comparative example 11 provide wood lacquer base material, and the weight part composition of raw material is as follows:

[0081] 40 parts of butadiene, 30 parts of styrene, 30 parts of vinyltoluene, 1 part of itaconic acid, 0.5 parts of N-methylolacrylamide, 1.4 parts of anionic emulsifier (sodium dodecylsulfonate), nonionic 0.6 parts of emulsifier (S-120), 2 parts of sodium persulfate, 1 part of dodecyl mercaptan, 110 parts of water, 1 part of alkali, 2 parts of seed emulsion;

[0082] Prepared by the following method:

[0083] S1: Prepare a mixed aqueous solution of acrylamide, anionic emulsifier (sodium dodecylsulfonate) and nonionic emulsifier (S-120), alkaline aqueous solution and sodium persulfate aqueous solution with water;

[0084] S2: Add the remaining water and seed emulsion into the polymerization tank, vacuumize the inside of the polymerizat...

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Abstract

The invention relates to a wood paint base material. The wood paint base material is prepared by adopting the intermittent charging seeded emulsion polymerization technology, the wood paint base material is prepared from butadiene, styrene, vinyltoluene, unsaturated carboxylic acid, unsaturated amide, composite emulsifier, thermal decomposition persulfate, lauryl mercaptan, water, alkali and seedemulsion. The seed emulsion is prepared from styrene, vinyltoluene, negative and non-ion emulsifier, thermolysis persulfate and water, the prepared wood paint base material is adjustable in size, no deslagging phenomenon is caused, the mechanical stability and chemical stability are good, the using performance is good, the low-toxicity and high-activity vinyltoluene is selected for replacing somestyrene, the VOC content of the prepared wood paint base material reaches the international advanced level, and the cost is low.

Description

technical field [0001] The invention relates to a wood lacquer base material, which belongs to the field of polymer materials. Background technique [0002] Carboxylated styrene-butadiene latex is a copolymer produced by emulsion polymerization with butadiene, styrene and a small amount of carboxylic acid and other additives. It contains volatile organic compounds (VOC for short) that are significantly harmful to the human body. Latex is widely used in wood paint, papermaking, carpet, textile and other fields, which have strict requirements on VOC content. At present, the VOC of carboxylated styrene-butadiene latex of Dow, BASF and LG is generally controlled at 50ppm, while the VOC of domestic brand latex is about several hundred ppm. [0003] Residual styrene in carboxylated styrene-butadiene latex accounts for the main part of VOC (volatile organic compounds). In order to fundamentally solve the emission of harmful gases, low-toxic, low-volatility environmentally friendly...

Claims

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Application Information

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IPC IPC(8): C08F236/10C08F212/12C08F212/08C08F220/06C08F220/58C08F2/26C08F2/30C09D113/02
CPCC08F2/26C08F2/30C08F236/10C09D113/02C08F212/12C08F212/08C08F220/06C08F220/58
Inventor 张迎超马楠张弘强赵峰
Owner ZHEJIANG TIANCHEN PLASTIC IND
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