阅读说明：本技术 一种高兼容性硅烷偶联剂及其制备方法 (High-compatibility silane coupling agent and preparation method thereof ) 是由 张琳琳 黄长根 葛瑶 于 2020-05-19 设计创作，主要内容包括：本发明公开了一种高兼容性硅烷偶联剂,包括以下配方：三烷氧基硅烷10-20份,乙炔15-30份,三氯乙烯40-50份,催化剂20-25份；所述三烷氧基硅烷和乙炔摩尔比为1：1.5。一种高兼容性硅烷偶联剂的制备方法,其特征在于,包括以下步骤：将乙炔溶于三氯乙烯中形成溶液,向溶液内投入三烷氧基硅烷,加入由氯铂酸溶于异丙醇组成的催化剂,加热搅拌后得到反应溶液,干燥即得反应产物。本发明所得产品自乳化性好、兼容性好且消泡抑泡,可以降低表面张力、亲油性好。(The invention discloses a high-compatibility silane coupling agent, which comprises the following formula: 10-20 parts of trialkoxysilane, 15-30 parts of acetylene, 40-50 parts of trichloroethylene and 20-25 parts of catalyst; the molar ratio of the trialkoxysilane to the acetylene is 1: 1.5. a preparation method of a high-compatibility silane coupling agent is characterized by comprising the following steps: dissolving acetylene in trichloroethylene to form a solution, adding trialkoxysilane into the solution, adding a catalyst formed by dissolving chloroplatinic acid in isopropanol, heating and stirring to obtain a reaction solution, and drying to obtain a reaction product. The product obtained by the invention has good self-emulsifying property, good compatibility, defoaming and foam inhibition, surface tension reduction and good lipophilicity.)

1. A high-compatibility silane coupling agent is characterized by comprising the following formula:

10-20 parts of trialkoxysilane, 15-30 parts of acetylene, 40-50 parts of trichloroethylene and 20-25 parts of catalyst;

the molar ratio of the trialkoxysilane to the acetylene is 1: 1.5.

2. the silane coupling agent with high compatibility and the preparation method thereof according to claim 1 are characterized by comprising the following formula:

14-18 parts of trialkoxysilane, 21-27 parts of acetylene, 43-47 parts of trichloroethylene and 21-24 parts of catalyst.

3. The silane coupling agent with high compatibility and the preparation method thereof according to claim 2 are characterized by comprising the following formula:

16 parts of trialkoxysilane, 24 parts of acetylene, 45 parts of trichloroethylene and 23 parts of catalyst.

4. The silane coupling agent with high compatibility according to any one of claims 1 to 3, wherein the catalyst is prepared by dissolving chloroplatinic acid in isopropanol.

5. A preparation method of a high-compatibility silane coupling agent is characterized by comprising the following steps: dissolving acetylene in trichloroethylene to form a solution, adding trialkoxysilane into the solution, adding a catalyst formed by dissolving chloroplatinic acid in isopropanol, heating and stirring to obtain a reaction solution, and drying to obtain a reaction product.

6. The method according to claim 5, wherein the reaction solution after heating and stirring is precipitated in an alkane.

7. The method for preparing a highly compatible silane coupling agent according to claim 5 or 6, wherein the heating temperature is 30-68 ℃, and the temperature is maintained for 3-8h after heating.

Technical Field

The invention relates to the technical field of silane coupling agents, in particular to a high-compatibility silane coupling agent and a preparation method thereof.

Background

The silane coupling agent is an organosilicon monomer having two or more different reactive groups in the molecule, and can chemically bond (couple) with an organic material and an inorganic material. The chemical formula of the silane coupling agent is RSiX₃. X represents a hydrolyzable functional group which can react with methoxy, ethoxy, cellosolve and inorganic materials (glass, metal, SiO)₂) And the like, to cause a coupling reaction. R represents an organic functional group which can undergo a coupling reaction with an organic group such as a vinyl group, an ethoxy group, a methacrylic group, an amino group, a mercapto group or the like, an inorganic material, various synthetic resins, a rubber or the like.

The prior silane coupling agent has higher requirements on compatibility and on defoaming and foam inhibition in use, and needs to be matched with other raw materials, so that the performance of the prior silane coupling agent needs to be improved to a certain extent in use.

Disclosure of Invention

The invention aims to provide a high-compatibility silane coupling agent and a preparation method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a high-compatibility silane coupling agent comprises the following formula:

10-20 parts of trialkoxysilane, 15-30 parts of acetylene, 40-50 parts of trichloroethylene and 20-25 parts of catalyst;

the molar ratio of the trialkoxysilane to the acetylene is 1: 1.5.

as a further scheme of the invention: the formula comprises the following components:

14-18 parts of trialkoxysilane, 21-27 parts of acetylene, 43-47 parts of trichloroethylene and 21-24 parts of catalyst.

As a further scheme of the invention: the formula comprises the following components:

16 parts of trialkoxysilane, 24 parts of acetylene, 45 parts of trichloroethylene and 23 parts of catalyst.

As a further scheme of the invention: the catalyst consists of chloroplatinic acid dissolved in isopropanol.

A preparation method of a high-compatibility silane coupling agent is characterized by comprising the following steps: dissolving acetylene in trichloroethylene to form a solution, adding trialkoxysilane into the solution, adding a catalyst formed by dissolving chloroplatinic acid in isopropanol, heating and stirring to obtain a reaction solution, and drying to obtain a reaction product.

As a further scheme of the invention: the reaction solution after heating and stirring is precipitated in an alkane.

As a further scheme of the invention: the heating temperature is 30-68 ℃, and the temperature is kept for 3-8h after heating.

Compared with the prior art, the invention has the beneficial effects that: the obtained product has good self-emulsifying property, good compatibility, defoaming and foam inhibition, surface tension reduction and good lipophilicity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.