CN105111450A - Synthesis method of water-soluble silicone oil used for treating leather - Google Patents
Synthesis method of water-soluble silicone oil used for treating leather Download PDFInfo
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- CN105111450A CN105111450A CN201510614055.6A CN201510614055A CN105111450A CN 105111450 A CN105111450 A CN 105111450A CN 201510614055 A CN201510614055 A CN 201510614055A CN 105111450 A CN105111450 A CN 105111450A
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- water
- silicone oil
- silicon oil
- leather
- soluble silicone
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Abstract
The invention provides a synthesis method of water-soluble silicone oil used for treating leather. The synthesis method specifically includes: placing allyl alcohol polyoxyethylene ether, catalyst and solvent into a beaker; stirring while heating, controlling heating temperature to be 80-120 DEG C, and dropwise adding hydrogen-containing silicone oil into the beaker under protection of nitrogen with concentration larger than 99.9%. Polyether linking enables the water-soluble silicone oil to be highly hydrophilic, so that the water-soluble silicone oil can be dispersed in water to form a stable water solution without using any emulsifier; hydroxy reacts with isocyanate to combine organic silicone with a resin system in a form of segmented copolymer, so that surface smoothness and softness are improved remarkably. After reaction is finished, the water-soluble silicone oil can be obtained without removing the solvent.
Description
Technical field
The present invention relates to chemical field, particularly relate to a kind of synthetic method of the water-soluble silicon oil for the treatment of leather.
Background technology
Leather industry is developed rapidly in recent years, the requirement of people to leather products is more and more higher, as required, leather is light, thin, soft, and have silk-like handle, kishke feel is strong, feel is smooth, plentiful and flexible, chromatogram is complete, and dyeing firmly and have waterproof, the performance such as fast light, antifouling, all these requirements, need the realization that should be used for by leather treatment.Although synthetic leather goods have certain ventilation property, not easily mouldy, waterproof, acid and alkali-resistance.But its feel often astringent, plate is hard, affects its comfortableness, therefore leather carries out softening and is very important.Although conventional amido silicon oil soft finishing agent improves the pliability of leather largely, improve its feel; But because amido silicon oil encloses the hydroxyl that few fibers itself has, leather wetting ability is inherently declined to some extent, thus affects its wearing comfort and flexibility.
Summary of the invention
According to above technical problem, the invention provides a kind of synthetic method of the water-soluble silicon oil for the treatment of leather, its concrete operation step is: first by allyl alcohol polyethenoxy ether, catalyzer, beaker put into by solvent, then heat while stirring, during heating, temperature controls at 80 ~ 120 DEG C, then be greater than the nitrogen protection of 99.9% in concentration under, containing hydrogen silicone oil is added drop-wise in flask, stir while dripping, after stirring, it is heated, stop heating and carrying out insulation its inside is reacted when being heated to 100-120 DEG C, reaction times 3-10 hour, lower the temperature after completion of the reaction, finally obtain the hydrophilic silicon oil that clear, colorless is transparent.
Described catalyzer to be Pt content be 0.5% Karstedt catalyzer or Pt content be 0.5% Virahol platinum acid chloride solution.
Described solvent is the mixing of one or more in Virahol, propyl carbinol, isopropylcarbinol, ethylene glycol, polyoxyethylene glycol, tetraethylene-glycol.
Beneficial effect of the present invention is: the hydrophilic silicon oil of synthetic method of the present invention synthesis, and wherein its good wetting ability is given in polyethers link, therefore need not use can be well scattered in water when any emulsifying agent to form the stable aqueous solution; And hydroxyl wherein by with isocyanate reaction, in block-copolymer fashion organosilicon is combined with resin system, thus significantly improves smooth and soft surface.After the completion of reaction, hydrophilic silicon oil can need not be obtained except desolventizing.
Accompanying drawing explanation
Fig. 1 is preparation flow structural representation of the present invention.
Embodiment
According to Fig. 1, the present invention is further described:
First allyl alcohol polyethenoxy ether, catalyzer, solvent are put into beaker; then heat while stirring; during heating, temperature controls at 80 ~ 120 DEG C; then be greater than the nitrogen protection of 99.9% in concentration under, containing hydrogen silicone oil is added drop-wise in flask; stir while dripping; after stirring, it is heated; stop heating and carrying out insulation its inside is reacted when being heated to 100-120 DEG C; reaction times 3-10 hour; lower the temperature after completion of the reaction, finally obtain the hydrophilic silicon oil that clear, colorless is transparent.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvement, and these improvement also should be considered as protection scope of the present invention.
Claims (3)
1. the synthetic method for the treatment of the water-soluble silicon oil of leather, its concrete operation step is: first by allyl alcohol polyethenoxy ether, catalyzer, beaker put into by solvent, then heat while stirring, during heating, temperature controls at 80 ~ 120 DEG C, then be greater than the nitrogen protection of 99.9% in concentration under, containing hydrogen silicone oil is added drop-wise in flask, stir while dripping, after stirring, it is heated, stop heating and carrying out insulation its inside is reacted when being heated to 100-120 DEG C, reaction times 3-10 hour, lower the temperature after completion of the reaction, finally obtain the hydrophilic silicon oil that clear, colorless is transparent.
2. according to the synthetic method of a kind of water-soluble silicon oil for the treatment of leather according to claim 1, it is characterized in that described catalyzer to be Pt content be 0.5% Karstedt catalyzer or Pt content be 0.5% Virahol platinum acid chloride solution.
3., according to the synthetic method of a kind of water-soluble silicon oil for the treatment of leather according to claim 1, it is characterized in that described solvent is the mixing of one or more in Virahol, propyl carbinol, isopropylcarbinol, ethylene glycol, polyoxyethylene glycol, tetraethylene-glycol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510614055.6A CN105111450A (en) | 2015-09-24 | 2015-09-24 | Synthesis method of water-soluble silicone oil used for treating leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510614055.6A CN105111450A (en) | 2015-09-24 | 2015-09-24 | Synthesis method of water-soluble silicone oil used for treating leather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105111450A true CN105111450A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510614055.6A Pending CN105111450A (en) | 2015-09-24 | 2015-09-24 | Synthesis method of water-soluble silicone oil used for treating leather |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525438A (en) * | 2009-04-08 | 2009-09-09 | 无锡泰达纺织科技有限公司 | Method for preparing polyether modified epoxy/amino silicone oil |
| CN102617863A (en) * | 2012-03-30 | 2012-08-01 | 广东工业大学 | Preparation method of hydrophilic block polyether aminosilicone |
| CN103613767A (en) * | 2013-09-05 | 2014-03-05 | 烟台德邦先进硅材料有限公司 | Synthetic method of hydrophilic silicon oil for treating surface of leather |
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2015
- 2015-09-24 CN CN201510614055.6A patent/CN105111450A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525438A (en) * | 2009-04-08 | 2009-09-09 | 无锡泰达纺织科技有限公司 | Method for preparing polyether modified epoxy/amino silicone oil |
| CN102617863A (en) * | 2012-03-30 | 2012-08-01 | 广东工业大学 | Preparation method of hydrophilic block polyether aminosilicone |
| CN103613767A (en) * | 2013-09-05 | 2014-03-05 | 烟台德邦先进硅材料有限公司 | Synthetic method of hydrophilic silicon oil for treating surface of leather |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |
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| RJ01 | Rejection of invention patent application after publication |