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Foamed silica gel special for simulation robot and preparation method of foamed silica gel

A technology for simulating robots and foamed silica gel, applied in the field of foamed silica gel, can solve the problems of low relative density and uneven cell size, and achieve the effect of increasing the foaming ratio, avoiding uneven size and uniform cell size.

Active Publication Date: 2021-09-03
惠州市永卓科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above existing problems, one of the purposes of the present invention is to provide a special foamed silica gel for simulation robots, whose foaming ratio can reach 5-6 times compared with ordinary foamed silica gel, and the relative density is small, which is suitable for the market. The requirements of foamed silica gel, and the prepared foamed silica gel has uniform cells, which avoids the problem of uneven cell size caused by repeated foaming, and its mechanical properties and hand feel are more excellent

Method used

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  • Foamed silica gel special for simulation robot and preparation method of foamed silica gel
  • Foamed silica gel special for simulation robot and preparation method of foamed silica gel
  • Foamed silica gel special for simulation robot and preparation method of foamed silica gel

Examples

Experimental program
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Effect test

Embodiment 1

[0028] 30 parts of modified 107 glue, 20 parts of fumed white carbon black, 0.01 part of acetylenic alcohol inhibitor, 5 parts of high hydrogen-containing silicone oil, 0.1 part of castor catalyst, and 10 parts of flame retardant.

[0029] Wherein, the high hydrogen-containing silicone oil is used as the crosslinking agent reacted in this embodiment, and its structural formula is

[0030]

[0031] Wherein, n is a hydrogen-containing methyl chain, m is a polymethyl chain, and the ratio of n / m is greater than 0.5.

[0032] Among them, the modified 107 glue is prepared by the reaction of hydroxyl-terminated vinyl-containing silicone oil and hydroxyl hydrogen-containing silicone oil under the catalysis of Castel platinum catalyst. The reaction principle is as follows,

[0033]

[0034] Among them, both ends and side chains of the modified 107 glue contain hydroxyl groups, and the total content of hydroxyl groups is greater than 2%.

[0035] Among them, the flame retardant i...

Embodiment 2

[0044] The difference between this embodiment and embodiment 1 is:

[0045] 30 parts of modified 107 glue, 15 parts of fumed white carbon black, 0.02 parts of acetylenic alcohol inhibitor, 10 parts of high hydrogen-containing silicone oil, 0.1 part of castor catalyst, and 8 parts of flame retardant.

[0046]In this example, the preparation method is as follows: in step (1), after adding the Castel platinum catalyst, react at 105°C for 5 hours, then adjust the temperature to 140°C, and control the vacuum degree to -0.01MPa to prepare modified 107 Glue; the kneading time in the kneader is 5 hours, then raise the temperature to 115°C and knead for 2 hours, then raise the temperature to 175°C to remove low boilers, the ratio of component A to component B in step (3) is 8:1 .

Embodiment 3

[0048] The difference between this embodiment and embodiment 1 is:

[0049] 40 parts of modified 107 glue, 15 parts of fumed white carbon black, 0.02 parts of acetylenic alcohol inhibitor, 10 parts of high hydrogen-containing silicone oil, 0.1 part of castor catalyst, and 12 parts of flame retardant.

[0050] In this example, the preparation method is as follows: in step (1), after adding Castel platinum catalyst, react at 115°C for 6 hours, then adjust the temperature to 160°C, and control the vacuum degree to -0.03MPa to prepare modified 107 Glue; the kneading time in the kneader is 6 hours, then raise the temperature to 125°C and knead for 3 hours, then raise the temperature to 185°C to remove low boilers, the ratio of component A to component B in step (3) is 12:1 .

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Abstract

The invention relates to foamed silica gel, in particular to foamed silica gel special for a simulation robot and a preparation method of the foamed silica gel. The foamed silica gel comprises the following components: high-hydrogen-content silicone oil, a Karstedt catalyst, a flame retardant, an alkynol inhibitor, fumed silica and modified 107 glue, and the modified 107 glue is prepared by reacting hydroxyl-terminated silicone oil containing vinyl in the middle and hydroxyl hydrogen-containing silicone oil under catalysis by a Karstedt platinum catalyst. The foaming times of the prepared foaming silica gel can reach 5-6 times compared with common foaming silica gel, the relative density is small, the foaming silica gel meets the requirement of the market for the foaming silica gel, meanwhile, the prepared foaming silica gel is uniform in foam holes, the phenomenon that the sizes of the foam holes are not uniform due to multiple times of foaming is avoided, and the mechanical property and the hand feeling of the foaming silica gel are more excellent.

Description

technical field [0001] The invention relates to foamed silica gel, in particular to foamed silica gel specially used for simulation robots and a preparation method thereof. Background technique [0002] With the development of science and technology and the improvement of people's living standards, more and more high-tech products are presented in front of everyone. For example, the development of 5G is accompanied by the birth of artificial intelligence, unmanned driving and other related technology products. Among them, the simulation robot It is a typical representative. The skin and inner filling used in previous robots are thermoplastic elastomer TPE and thermoplastic polyurethane elastomer rubber TPU and other materials. The disadvantages of this material are that they are not environmentally friendly, easy to burn, and have poor hand feeling. [0003] With the improvement of people's demand for product quality and the continuous development of new material technology...

Claims

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Application Information

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IPC IPC(8): C08L83/10C08L83/05C08K7/26C08K3/22C08J9/02
CPCC08J9/02C08J9/0061C08J9/0066C08J2383/10C08J2483/05C08K7/26C08K2003/2227
Inventor 王细平
Owner 惠州市永卓科技有限公司
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