Organosilicon material, preparation method thereof, and application method thereof in 3D printing

A 3D printing and silicone technology, applied in the field of silicone materials, can solve the problems of poor high and low temperature resistance, poor biocompatibility, and poor weather resistance, and achieve excellent weather resistance, small linear shrinkage, and excellent biocompatibility Effect

Active Publication Date: 2016-01-13
GUANGDONG BIOMAX SIANDF NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The characteristics of this kind of material make it generally have disadvantages such as poor high and low temperature resistance, poor flexibility, and poor weather resistance.
Not suitable for making workpieces that need to be used in harsh environments for a long time
At the same time, due to poor biocompatibility, it is not suitable for making artificial organs or human implants

Method used

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  • Organosilicon material, preparation method thereof, and application method thereof in 3D printing
  • Organosilicon material, preparation method thereof, and application method thereof in 3D printing
  • Organosilicon material, preparation method thereof, and application method thereof in 3D printing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] In No. 1 vacuum planetary mixer, add 80 parts by weight of organopolysiloxane, 30 parts by weight of hydrophobized fumed silica (BET method specific surface area is 100m 2 / g, the bulk density is 80kg / m 3), 50 parts by weight of alumina, 2 parts by weight of hexamethyldisilazane, mixed at high speed for 1 hour; then heated to 120 °C for 1 hour in vacuum, and the vacuum degree was controlled in the range of -0.05MPa to -0.1MPa; The material was cooled to 25°C, 0.05 parts by weight of chloroplatinic acid solution was added, and mixed at high speed for 1 hour; after three-roll grinding, cooled to room temperature, component A was obtained.

[0059] In No. 2 vacuum planetary mixer, add 80 parts by weight of organopolysiloxane, 30 parts by weight of hydrophobized fumed silica (BET method specific surface area is 100m 2 / g, the bulk density is 80kg / m 3 ), 50 parts by weight of alumina, 2 parts by weight of hexamethyldisilazane, mixed at high speed for 1 hour; then heated to...

Embodiment 2

[0072] In No. 1 vacuum planetary mixer, add 100 parts by weight of organopolysiloxane, 20 parts by weight of fumed silica (BET method specific surface area is 300m 2 / g, the bulk density is 50kg / m 3 ), 10 parts by weight of silicone resin, 80 parts by weight of alumina, and 8 parts by weight of trimethylchlorosilane, mixed at high speed for 2 hours; then heated to 150°C for 2 hours in vacuum, and the vacuum degree was controlled at -0.05MPa~-0.1MPa Range: Cool the rubber material to 30°C, add 0.1 parts by weight of chloroplatinic acid solution, and mix at high speed for 2 hours; grind with three rollers and cool to room temperature to obtain Component A.

[0073] In No. 2 vacuum planetary mixer, add 100 parts by weight of organopolysiloxane, 20 parts by weight of fumed silica (BET method specific surface area is 300m 2 / g, the bulk density is 50kg / m 3 ), 10 parts by weight of silicone resin, 80 parts by weight of alumina, and 8 parts by weight of trimethylchlorosilane, mixed...

Embodiment 3

[0086] In No. 1 vacuum planetary mixer, add 150 parts by weight of organopolysiloxane, 60 parts by weight of precipitated silica (BET method specific surface area is 200m 2 / g, the bulk density is 200kg / m 3 ), 15 parts by weight of silicone resin, 60 parts by weight of zinc oxide, and 20 parts by weight of methyltrichlorosilane, mixed at high speed for 2.5 hours; then heated to 160°C for 3 hours in vacuum, and the vacuum degree was controlled at -0.05MPa~-0.1MPa Range: Cool the rubber material to 40°C, add 0.4 parts by weight of platinum diacetoacetate solution, and mix at high speed for 3 hours; grind with three rollers and cool to room temperature to obtain component A.

[0087] In No. 2 vacuum planetary mixer, add 150 parts by weight of organopolysiloxane, 60 parts by weight of precipitated silica (BET method specific surface area is 200m 2 / g, the bulk density is 200kg / m 3 ), 15 parts by weight of silicone resin, 60 parts by weight of zinc oxide, and 20 parts by weight o...

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Abstract

The invention discloses an organosilicon material. The organosilicon material comprises: a component A comprising, by weight, 80-200 parts of organopolysiloxane, 20-60 parts of a reinforcing filler, 0-20 parts of silicon resin, 50-80 parts of a heat conduction filler, 2-20 parts of a structurized control agent, and 0.05-0.8 parts of a reaction catalyst; and a component B comprising, by weight, 80-200 parts of organopolysiloxane, 0.5-10 parts of organic hydrogen-containing polysiloxane, 20-60 parts of the reinforcing filler, 0-20 parts of silicon resin, 50-80 parts of the heat conduction filler, 2-20 parts of the structurized control agent, and 0.05-0.4 parts of a reaction inhibitor, wherein a weight ratio of the component A to the component B is 1:1. The invention also discloses a preparation method of the organosilicon material, and a method for applying the organosilicon material in 3D printing. The organosilicon material has the advantages of superior performances, safety and non-toxicity; the preparation method of the organosilicon material is simple and is easy to carry out; and application of the organosilicon material in 3D printing is maneuverable.

Description

technical field [0001] The invention relates to an organosilicon material, in particular to an organosilicon material, a preparation method thereof and a method for applying it to 3D printing. Background technique [0002] 3D printing technology, also known as additive manufacturing technology, involves multiple disciplines such as material forming processing, automation control, computer modeling, and materials science. 3D printing technology can quickly manufacture products with complex structures without complex processing equipment and technology, which solves the limitation of difficult processing of traditional technology, and can greatly reduce labor costs and production cycles. Especially in the development of new products, the use of 3D printing technology can greatly shorten the research and development cycle and reduce research and development costs. Therefore, the application of 3D printing technology is becoming more and more extensive. At present, the researc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/07C08L83/05C08L83/04C08K13/06C08K3/36C08K3/22C08K3/34C08K5/5445C08K5/54B29C67/00B29C67/24
Inventor 黄振宏陆文灿陈文标
Owner GUANGDONG BIOMAX SIANDF NEW MATERIAL CO LTD
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