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A kind of heat-resistant, mildew-proof and non-whitening silicone rubber for folding kettle and preparation method thereof

A silicone rubber and heat-resistant technology, applied in the field of silicone rubber preparation, can solve the problems of affecting the appearance, harming the human body, and non-environmental protection of flame-retardant rubber, so as to improve production efficiency and increase the subsequent vulcanization rate.

Active Publication Date: 2021-11-05
SHANDONG DONGYUE ORGANIC SILICON MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the commonly used silicone rubber is boiled, a white substance will appear on the surface of the product, which is mainly caused by the zinc stearate contained in the silicone rubber. The main component of these white substances is SiO 2 The crystalline hydrate, which is similar to scale, partially floats in the water and causes some pollution to the water. Although it is harmless, it affects the appearance
And ordinary silicone rubber does not have the function of anti-mildew, and there will be problems of mildew after long-term use
In addition, the folding kettle will touch the heating plate, and it also needs to be heat-resistant and flame-retardant to ensure safety; but ordinary flame-retardant glue is not environmentally friendly and harmful to the human body, so it is not suitable for food-grade products.

Method used

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  • A kind of heat-resistant, mildew-proof and non-whitening silicone rubber for folding kettle and preparation method thereof
  • A kind of heat-resistant, mildew-proof and non-whitening silicone rubber for folding kettle and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0035] A heat-resistant, mildew-proof and non-whitening silicone rubber for folding water bottles. The raw materials are as follows: vinyl-terminated polymethylsiloxane 1000g, fumed silica (specific surface area is 200m 2 / g)500g, superfine Ca(OH) 2 Powder (250nm particle size) 30g, hydroxy silicone oil 12g, methoxy silicone oil 4g, silicone-based release agent (MR-92) 3g, anti-fungal agent (WD-15SG) 50g, deionized water 9g, bis-pentasulfurizing agent 6g, platinum catalyst A auxiliary agent 45g, platinum catalyst B auxiliary agent 15g.

[0036] The above-mentioned heat-resistant, mildew-proof and non-whitening silicone rubber preparation method for folding water bottles includes the steps of:

[0037] (1) According to the above dosage, add vinyl-terminated polymethylsiloxane, hydroxyl silicone oil, methoxy silicone oil, silicone-based mold release agent that does not turn white when boiled, anti-fungal agent, and deionized water into the kneader Stir and mix evenly, then add...

Embodiment 2

[0040] A heat-resistant, mildew-proof and non-whitening silicone rubber for folding water bottles. The raw materials are as follows: vinyl-terminated polymethylsiloxane 1000g, fumed silica (specific surface area is 200m 2 / g)500g, superfine Ca(OH) 2 Powder (50nm particle size) 30g, hydroxy silicone oil 12g, methoxy silicone oil 4g, organic silicon-based release agent (QL-10) 3g, mold inhibitor (DL-M311) 50g, deionized water 9g, bis-pentasulfurizing agent 6g, platinum catalyst A auxiliary agent 45g, platinum catalyst B auxiliary agent 15g.

[0041] The above-mentioned heat-resistant, mildew-proof and non-whitening silicone rubber preparation method for folding water bottles includes the steps of:

[0042] (1) According to the above dosage, add vinyl-terminated polymethylsiloxane, hydroxyl silicone oil, methoxy silicone oil, silicone-based mold release agent that does not turn white when boiled, anti-fungal agent, and deionized water into the kneader Stir and mix evenly, then ...

Embodiment 3

[0045] A heat-resistant, mildew-proof and non-whitening silicone rubber for folding water bottles. The raw materials are as follows: vinyl-terminated polymethylsiloxane 1000g, fumed silica (specific surface area is 200m 2 / g)500g, superfine Ca(OH) 2 Powder (500nm particle size) 30g, hydroxy silicone oil 12g, methoxy silicone oil 4g, organic silicone mold release agent (MR-92) 3g, mold inhibitor (DL-M311) 50g, deionized water 9g, bis-pentasulfurizing agent 6g, platinum catalyst A auxiliary agent 45g, platinum catalyst B auxiliary agent 15g.

[0046] The above-mentioned heat-resistant, mildew-proof and non-whitening silicone rubber preparation method for folding water bottles includes the steps of:

[0047] (1) According to the above dosage, add vinyl-terminated polymethylsiloxane, hydroxyl silicone oil, methoxy silicone oil, silicone-based mold release agent that does not turn white when boiled, anti-fungal agent, and deionized water into the kneader Stir and mix evenly, then...

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Abstract

The invention provides a heat-resistant, mildew-proof and non-whitening silicone rubber for a folding kettle and a preparation method thereof. The silicone rubber comprises the following raw materials by weight: 80-120 parts of vinyl-terminated polymethylsiloxane, 30-70 parts of fumed white carbon black, superfine Ca(OH) 2 1-5 parts of powder, 0.5-3 parts of hydroxy silicone oil, 0.2-0.6 parts of methoxy silicone oil, 0.1-0.5 parts of non-whitening silicone mold release agent, 2-8 parts of antifungal agent, 0.5 parts of deionized water -1.5 parts, 0.2-1.2 parts of bis-pentasulfurizing agent, 3-6 parts of platinum catalyst A promoter, and 0.5-3 parts of platinum catalyst B promoter. The silicon rubber obtained by the invention has good elasticity and toughness, can be used for folding kettle bodies, and has the characteristics of no whitening after being boiled, heat-resistant and flame-retardant, and mildew-proof after long-term use.

Description

technical field [0001] The invention relates to a heat-resistant, mildew-proof and non-whitening silicone rubber used for folding kettles and a preparation method thereof, belonging to the technical field of silicone rubber preparation. Background technique [0002] The body of the folding kettle is generally made of silicone rubber material. Because the silicone rubber body is soft and elastic, it can be folded and is easy to carry. The silicone rubber material used in the folding kettle is required to have the characteristics of not turning white after being boiled, heat-resistant and flame-resistant, and mildew-proof during long-term use. However, after the commonly used silicone rubber is boiled, a white substance will appear on the surface of the product, which is mainly caused by the zinc stearate contained in the silicone rubber. The main component of these white substances is SiO 2 The crystalline hydrate, which is similar to scale, partially floats in the water and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/07C08L83/04C08K13/02C08K3/22C08K3/36C08K5/14C08K5/05
CPCC08K2003/2206C08K2201/003C08K2201/006C08K2201/011C08L83/04C08L2201/02C08L2201/08C08L2205/025C08L2205/035C08K13/02C08K3/22C08K3/36C08K5/14C08K5/05
Inventor 伊港王安营张振玉宋超左佳岩刘海龙
Owner SHANDONG DONGYUE ORGANIC SILICON MATERIAL
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