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High-temperature type peelable glue for processing machining protection, and preparation method thereof

A process protection and high temperature resistant technology, applied in the field of high temperature resistant peelable adhesive and its preparation, can solve the problems of scraper performance, the influence of working environment curing time, complex process, easy scratching and contamination of glass, etc.

Active Publication Date: 2015-05-13
XIAMEN HOWER MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

(2) OGS is one of the future development directions of the touch screen industry. Its process is complex and requires cutting, carving, printing and other processes. The glass is easily scratched and polluted; especially in the process of coating and silver plating, due to the processing temperature High, a high temperature resistant peelable protective adhesive is needed to protect the parts that do not need coating and silver plating paste
[0003] Disadvantages of the peelable glue currently on the market: (1) The peelable glue on the existing market contains volatile solvents, which will affect the performance of the scraper, the working environment, and the length of curing time, the process is complicated, and it will affect the touch screen sensor function block Corrosion on substrate
(3) Poor high temperature resistance, especially in OGS processing. Due to the poor temperature resistance of the peelable glue, the yield rate of related products using the OGS process becomes lower. Many touch screen companies are in urgent need of high temperature resistant peelable glue.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The preparation method of the heat-resistant peelable adhesive for process protection is as follows:

[0042] Disperse rubber, liquid oil, esters, EVA resin and n-butyl stearate evenly in a high-speed disperser; add dyes and fillers, stir well, and grind and grind 4 times with a three-roll mill; the ground material Add a crosslinking accelerator and stir evenly with a planetary mixer; after filtering, a high-temperature resistant peelable rubber for process protection is obtained. The composition of each raw material is as follows:

[0043] Silicone rubber: 40;

[0044] Triallyl isocyanurate: 4;

[0045] DCP: 0.6;

[0046] EVA resin: 5;

[0047] N-Butyl stearate: 5;

[0048] Epoxidized soybean oil: 3;

[0049] Aromatic oil: 17;

[0050] Acetyl tributyl citrate: 14;

[0051] Calcium carbonate: 5;

[0052] Silica: 1;

[0053] Phthalocyanine blue dye: 3;

[0054] Antifoaming agent polyethers: 0.1;

[0055] Leveling agent polyacrylic acid: 0.3.

[0056] This formula has the characteristics o...

Embodiment 2

[0058] EPDM rubber: 20;

[0059] Triallyl cyanurate: 2;

[0060] DCP: 0.4;

[0061] EVA resin: 20;

[0062] N-Butyl stearate: 10;

[0063] Epoxidized soybean oil: 5;

[0064] Rubber softening oil: 17;

[0065] DOTP: 21;

[0066] Calcium carbonate: 5;

[0067] Silica: 2;

[0068] Phthalocyanine blue dye: 4;

[0069] Antifoaming agent polyethers: 0.3;

[0070] Leveling agent polyacrylic acid: 0.5.

[0071] This formula has the characteristics of improved film-forming toughness, high temperature resistance, large elongation at break, and good peeling ability. It is suitable for processes that require very strict residual glue in the processing of touch screens. After this formula is peeled off the surface of the touch screen, the surface is clean Clean, no glue residue.

Embodiment 3

[0073] EPDM rubber: 15;

[0074] Triallyl cyanurate: 0.5;

[0075] EVA resin: 15;

[0076] N-Butyl stearate: 15;

[0077] Epoxidized soybean oil: 40;

[0078] Rubber softening oil: 15;

[0079] Calcium carbonate: 10;

[0080] Silica: 0.2;

[0081] Phthalocyanine blue dye: 0.5;

[0082] Antifoaming agent polyethers: 0.2;

[0083] Leveling agent polyacrylic acid: 0.1.

[0084] This formula has the characteristics of improved film-forming toughness, high temperature resistance, large elongation at break, and good peeling ability. It is suitable for processes that require very strict residual glue in the processing of touch screens. After this formula is peeled off the surface of the touch screen, the surface is clean Clean, no glue residue.

[0085] When in use, it is screen-printed on PET, ITO film and ITO glass. After baking to form a film, the film can effectively isolate the object to prevent dirt, rust, acid and alkali, and prevent materials from being affected in the subsequent production ...

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Abstract

High-temperature type peelable glue for processing machining protection, and a preparation method thereof relate to peelable glue. The invention provides high-temperature-resistant type peelable glue mainly applied for machining protection of glass of a cover plate of a touch screen and for processing machining protection in an OGS (One-Glass Solution) technology, and a preparation method of the peelable glue. The high-temperature-resistant type peelable glue for processing machining protection comprises the following raw materials: rubber, a crosslinking accelerant, EVA resin, n-butyl stearate, liquid oil, esters, calcium carbonate, silica, dye, a defoaming agent and a leveling agent. The preparation method of the high-temperature-resistant type peelable glue for processing machining protection comprises the following steps of: 1) evenly dispersing the rubber, liquid oil, ester, EVA resin and n-butyl stearate; 2) then adding the dye and filler, and evenly stirring; 3) grinding the materials obtained from the step 2); and 4) adding the crosslinking accelerant into the materials ground in the step 3); and 5) filtering to obtain the high-temperature-resistant type peelable glue for processing machining protection.

Description

Technical field [0001] The invention relates to a peelable adhesive, in particular to a high-temperature resistant peelable adhesive which is mainly applied to the processing protection of touch screen cover glass and the processing protection of each process in the OGS process and a preparation method thereof. Background technique [0002] As a kind of high-strength, scratch-resistant glass, touch screen cover glass is widely used in high-end smart phones, tablet computers, flat-screen TVs, industrial and commercial touch screens and other fields. (1) In the field of touch screen cover glass or ITO glass processing, the glass surface will be scratched due to the process of opening, edging, and polishing. In order to improve the yield, some companies adopt protective glue to prevent scratches. hurt. (2) OGS is one of the future development directions of the touch screen industry. Its process is complicated and requires cutting, carving, printing and other processes. The glass is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/04C08L23/16C08L23/08C08K13/02C08K5/101C08K5/10C08K3/26C08K3/36
Inventor 蔡锦云李步龙符维强
Owner XIAMEN HOWER MATERIAL
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