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Pine water-based grain-protruding-prevention white primer and preparing method thereof

A water-based, anti-swelling technology, applied in the direction of coating, etc., can solve the problems of pine wood tending to swell, and achieve the effects of saving processes, improving leveling wettability, and excellent film-forming properties

Inactive Publication Date: 2018-12-28
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the softness of pine wood, it is easy to absorb moisture into the wood, so pine wood is prone to tendon swelling.

Method used

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  • Pine water-based grain-protruding-prevention white primer and preparing method thereof
  • Pine water-based grain-protruding-prevention white primer and preparing method thereof
  • Pine water-based grain-protruding-prevention white primer and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A preparation method for pine water-based anti-expansion tendon white primer, comprising the following steps:

[0042] (1) Add 10 parts of deionized water into the material preparation tank, add 0.3 parts of TEGO 825, 1.1 parts of TEGO755W and 0.1 part of BYK420 at 500r / min, stir for 15-20min at 1000r / min; add 18 parts of 800 mesh heavy calcium and 18 parts of rutile titanium dioxide, stirred at 1000r / min for 15-20min, added 0.1 part of RM-8W under stirring at 1000r / min, stirred for 10-15min, passed through a grinder, and ground to a fineness of ≤15μm to obtain a white slurry for later use.

[0043] (2) At 500r / min, add 10 parts of 4298 emulsion and 37.7 parts of 4088 emulsion, 0.1 part of TEGO 825, 0.5 part of BYK346, stir at 1000r / min for 15-20min, add 1 part of dipropylene glycol methyl ether, 1 part of Dipropylene glycol butyl ether, 1 part of alcohol ester-12 and 1 part of deionized water, stirred at 1000r / min for 15-20min, added the white slurry ground in step (1)...

Embodiment 2

[0047] A preparation method for pine water-based anti-expansion tendon white primer, comprising the following steps:

[0048] (1) Add 10 parts of deionized water into the material preparation tank, add 0.2 parts of TEGO 825, 1.1 parts of TEGO755W and 0.1 part of BYK420 at 500r / min, stir for 15-20min at 1000r / min; add 15 parts of 800 mesh heavy calcium and 21 parts of rutile titanium dioxide, stirred at 1000r / min for 15-20min, added 0.1 part of RM-8W under stirring at 1000r / min, stirred for 10-15min, passed through a grinder, and ground to a fineness of ≤15μm to obtain a white slurry for later use.

[0049] (2) At 500r / min, add 20 parts of 4298 emulsion and 23.1 parts of 4088 emulsion, 0.2 parts of TEGO 825, 0.4 parts of BYK346, stir at 1000r / min for 15-20min, add 1.5 parts of dipropylene glycol methyl ether, 2 parts of Dipropylene glycol butyl ether, 2 parts of alcohol ester-12 and 3 parts of deionized water, stirred at 1000r / min for 15-20min, added the white slurry ground in ...

Embodiment 3

[0053] A preparation method for pine water-based anti-expansion tendon white primer, comprising the following steps:

[0054] (1) Add 9.9 parts of deionized water into the material preparation tank, add 0.3 parts of TEGO 825, 1 part of TEGO 755W and 0.2 parts of BYK420 at 500r / min, stir for 15-20min at 1000r / min; add 21 parts of 800 mesh heavy calcium at 500r / min With 15 parts of rutile titanium dioxide, stir at 1000r / min for 15-20min, add 0.1 part of RM-8W under stirring at 1000r / min, stir for 10-15min, pass through a grinder, and grind to a fineness of ≤15μm to obtain a white slurry for later use.

[0055] (2) At 500r / min, add 30 parts of 4298 emulsion and 15 parts of 4088 emulsion, 0.1 part of TEGO 825, 0.4 part of BYK346, stir at 1000r / min for 15-20min, add 2 parts of dipropylene glycol methyl ether, 1.5 parts of Dipropylene glycol butyl ether, 1.5 parts of alcohol ester-12 and 3 parts of deionized water, stirred at 1000r / min for 15-20min, added the white slurry ground in ...

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Abstract

The invention discloses a pine water-based grain-protruding-prevention white primer and a preparing method thereof, and relates to the field of water-based paint. The water-based grain-protruding-prevention white primer is prepared from, by weight, 35-50 parts of water-based acrylic resin, 3-7 parts of coalescing agent, 0.1-0.6 part of flatting agent, 0.8-2 parts of dispersing agent, 0.1-0.5 partof defoaming agent, 0.1-0.5 part of anti-settling agent, 15-22 parts of ground calcium carbonate, 15-22 parts of titanium dioxide, 0.2-0.4 part of thickening agent and 10-15 parts of deionized water.The primer has good permeability and sealing performance, can be quickly combined with wood fiber components, and is then quickly cured, so that when pine is subjected to white process coating, the occurrence of grain protruding can be avoided.

Description

technical field [0001] The invention relates to the field of water-based coatings, in particular to a pine wood water-based anti-swelling tendon white primer and a preparation method thereof. Background technique [0002] Wood swelling, or wood grain protrusion, is a common phenomenon in water-based wood paint coating. The mechanism of wood swelling is: wood needs to be cut and sharply cut during processing, which will inevitably cut or destroy wood fibers. Integrity, when the fibers of the wood are exposed, the wood fibers act like straws, drawing moisture into the wood, causing the wood fibers to swell and protrude from the wood surface. [0003] Pine wood has natural color, clear and beautiful texture, strong practicality, durability and easy maintenance. After being made into furniture, it fully demonstrates the real and natural beauty of the material. Pine wood is soft and light, and it is very convenient to install and move furniture. Therefore, pine solid wood is th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04
CPCC08L2205/025C09D133/04C08L33/04
Inventor 李璠闫会玲张文东罗宏运
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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