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Hard wax oil and preparation method thereof

A technology of wood wax oil and vegetable oil, which is applied in wax coating, wood impregnation, wood impregnation, etc., can solve the problems of poor weather resistance, easy discoloration and cracking, etc., achieve good water resistance, ideal durability effect, and improve weather resistance.

Active Publication Date: 2012-12-19
CARPOLY CHEM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the use of this patent has certain limitations. When used for outdoor wooden products, the weather resistance is poor, and it is easy to change color and crack

Method used

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  • Hard wax oil and preparation method thereof
  • Hard wax oil and preparation method thereof

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preparation example Construction

[0041] The preparation method of wood wax oil provided by the invention comprises the following steps:

[0042] a) Take 40-80 parts by weight of vegetable oil, and pass it into nitrogen protection, a polymerization reaction occurs, and it is polymerized into molecules with a relatively small molecular weight, which can not only effectively penetrate into the wood, but also improve the weather resistance of wood wax oil. , and then add 3-15 parts by weight of biowax and 5-15 parts by weight of rosin glycerin resin into vegetable oil and mix, heat up to 200 ℃~250 ℃ for reaction, preferably react for 7h~10h, and cool to 30 ℃~60 ℃ after reaction;

[0043] b) To the obtained mixture, sequentially add the following components by weight: 0.2-1.0 of a drier, 0.1-0.3 of a mixed ultraviolet absorber, 0.1-0.5 of an anti-skinning agent, and 0.1-0.3 of a defoaming agent, and after mixing and stirring The output is wood wax oil.

[0044] Preferably, the parts by weight of each component ca...

Embodiment 1

[0046]Take 44 parts of soybean oil and 30 parts of linseed oil and mix them under nitrogen protection. Mix 10 parts of carnauba wax and 4.3 parts of beeswax, heat until melted, then add to the above mixed oil, stir and mix evenly, react at 200°C for 8 hours, and cool to 60°C; add 0.8 parts of rare earth drier, UV absorber and hindered amine light stabilizer at a weight ratio of 1:1, a total of 0.3 parts, 0.5 parts of butanone oxime, and 0.2 parts of defoamer, mix and stir for 5 minutes, and The product is produced. Example 2:

Embodiment 2

[0047] Take 30 parts of tung oil, 20 parts of linseed oil, and 10 parts of castor oil, and mix them with nitrogen protection at the same time. Mix 5 parts of carnauba wax and 3 parts of candelilla wax, heat until melted, then add to the above mixed oil and stir to mix evenly , reacted at 240°C for 7 hours, cooled to 50°C; sequentially added 0.5 parts of cobalt naphthenate drier, UV absorber and hindered amine light stabilizer at a weight ratio of 0.9:1, 0.2 parts in total, 0.5 parts of butanone oxime, 0.2 parts of defoamer, mixed and stirred for 5 minutes, and discharged after uniformity to obtain the product.

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Abstract

The invention provides hard wax oil prepared from the following components in parts by weight: 40-80 parts of vegetable oil, 3-15 parts of biological wax, 5-15 parts of rosin glycerol resin, 0.2-1.0 part of drier, 0.1-0.5 part of anti-skinning agent, 0.1-0.3 part of mixed UV (Ultra-Violet) absorber and 0.1-0.3 part of defoaming agent. The preparation method of the hard wax oil, which is provided by the invention, comprises the steps of generating bodied oil with relatively smaller molecular weight under the action of nitrogen protection and adding an oil-based UV absorber with synergy and a hindered amine light stabilizer, and thus the UV absorption performance of the hard wax oil is improved. The prepared hard wax oil is suitable for outdoor woodenware products, has good weatherability, favorable water resistance and ideal durability effect under the condition that sunlight and UV rays exist, and the hard wax oil hardly sags and has tough firm formed in coating construction, belongs to natural coatings, accords with the environmental protection requirement and can be also used for decorating private indoor rooms.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a wood wax oil and a preparation method thereof. Background technique [0002] Today, people are concerned about the current buildings, wooden buildings and indoor and outdoor decoration and decoration such as: wooden ceilings, wooden floors, wooden walls, wooden door and window frames, wooden terraces, gazebos, wooden flower pots, furniture, wooden children's toys, wooden Most wood products such as handicrafts are painted with traditional paints, but when traditional paints are used outdoors, a layer of paint film with strong physical and chemical properties is mainly formed on the surface of the wood and closed on the surface of the wood, so that the wood cannot breathe, and it is easy to crack after a long time. The paint film is easy to fall off; when exposed to sunlight and ultraviolet rays, it is easy to produce yellowing, and the weather resistance and durability are poor; at the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D191/00C09D191/06C09D193/04C09D7/12B27K3/50
Inventor 未友国梁斌莘建忠王代民杨岳森罗俊君
Owner CARPOLY CHEM GRP
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