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Single-component heat-curing silk-screen printing silica gel and preparation method thereof

A heat-curing, one-component technology, applied in dyeing, textiles and papermaking, etc., can solve the problems of poor adhesion, excessive waste, easy to block the net, etc., to achieve strong adhesion, not easy to block the net, and easy to use and operate Effect

Active Publication Date: 2015-05-20
JIANGSU TIANCHEN NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The former can be used for a long time without the phenomenon of netting, but it needs to be baked, and it has poor adhesion to some materials or fabrics
The latter does not need to be baked after printing, but it is easy to block the screen, so the silica gel needs to be replaced continuously during printing, which is more wasteful. It is generally suitable for printing on materials or fabrics that are not suitable for A and B silica gel

Method used

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  • Single-component heat-curing silk-screen printing silica gel and preparation method thereof
  • Single-component heat-curing silk-screen printing silica gel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Add 100 parts of α, ω-dihydroxypolydimethylsiloxane and 200 parts of nano-calcium carbonate into a vacuum kneader, keep the temperature at 100°C, dehydrate and blend for 120 minutes under a vacuum of 0.06MPa, and cool to room temperature Obtain the base material, then at room temperature 100 parts of base material, 5 parts of methyl tributylketoxime base silane, 5 parts of vinyl tributylketoxime base silane, 2 parts of γ-aminopropyl triethoxysilane and methyl Add 10 parts of base silicone oil into a high-speed dispersing stirring tank, stir and mix, and stir for 120 minutes under the conditions of a vacuum of 0.06 MPa and a rotation speed of 100 rpm, and then add bis(ethyl acetoacetate) bis(isopropoxy)titanium 0.01 part of the ester complex is stirred for 120 minutes under the condition of vacuum degree of 0.06MPa and rotation speed of 100rpm, and then the material is discharged to obtain a one-component heat-curable screen printing silica gel.

Embodiment 2

[0019] Add 100 parts of α, ω-dihydroxy polydimethylsiloxane and 5 parts of nano-calcium carbonate into a vacuum kneader, keep the temperature at 120°C, dehydrate and blend for 30 minutes under a vacuum of 0.06MPa, and cool to room temperature Get the base material, then add 100 parts of the base material, 10 parts of methyl tributylketoxime silane, 0.5 parts of γ-aminopropyltriethoxysilane and 3 parts of methyl silicone oil into the high-speed dispersion stirring tank at room temperature Stir and mix internally, stir for 60 minutes at a vacuum of 0.06 MPa and a rotational speed of 20 rpm, then add 0.1 part of bis(ethyl acetoacetate) bis(isopropoxy) titanate complex, Stir at 0.06MPa and 100rpm for 120 minutes, then discharge to produce one-component heat-curable screen-printing silica gel.

Embodiment 3

[0021] Add 100 parts of α, ω-dihydroxypolydimethylsiloxane, 25 parts of fumed white carbon black, and 50 parts of diatomaceous earth into the vacuum kneader, keep the temperature at 120°C, and dehydrate under the vacuum degree of 0.07MPa Blend for 90 minutes, cool to room temperature to obtain the base material, and then mix 100 parts of the base material, 10 parts of vinyl tributylketoximosilane, N-β-aminoethyl-γ-aminopropyltrimethoxysilane at room temperature Add 0.9 parts and 15 parts of white oil into a high-speed dispersing stirring tank, stir and mix, and stir for 120 minutes under the conditions of a vacuum of 0.07 MPa and a rotation speed of 200 rpm, and then add 0.3 parts of isopropyl titanate. Stir at 0.07MPa and 200rpm for 120 minutes, and then discharge the material to obtain a one-component heat-curable screen printing silica gel.

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Abstract

The invention discloses a single-component heat-curing silk-screen printing silica gel and a preparation method thereof. The silk-screen printing silica gel is convenient to use and operate, and high in adhesion, and does not block a silk screen easily. With the adoption of the method, the surface drying time of the silk-screen printing silica gel at room temperature is effectively prolonged, a problem that the traditional single-component silk-screen printing silica gel blocks the silk screen is solved, the production efficiency of the single-component silk-screen printing silica gel and the traditional double-component silk-screen printing silica gel is the same through heat forming and curing in a using process, and the single-component silk-screen printing silica gel is excellent in adhesive strength, and wider in application scope.

Description

technical field [0001] The invention relates to a silk screen printing silica gel and a preparation method thereof, in particular to a one-component heat-curable screen printing silica gel and a preparation method thereof. Background technique [0002] Screen printing silicone is a special silicone that can be firmly adhered to the surface of textiles by screen printing. It has the characteristics of environmental protection, printable color registration, good adhesion, high strength, soft and delicate hand feeling, strong three-dimensional effect, beautiful decorative effect, excellent performance, non-toxic and harmless, etc. At present, there are two types of screen printing silica gel, one is two-component screen printing silica gel, which needs to be mixed with A and B silica gel before use, and needs to be baked and cured at 120-160 °C. The other is a one-component silicone that does not need to be baked, and it dries naturally at room temperature for 6-10 minutes. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06P1/00D06P1/673D06P1/52
Inventor 阚新宇徐古月
Owner JIANGSU TIANCHEN NEW MATERIALS