阅读说明：本技术 一种混凝土脱模剂及其生产工艺 (Concrete release agent and production process thereof ) 是由 竹鹏翔 孙肖武 耿秉政 李阳杰 于 2019-09-16 设计创作，主要内容包括：本发明属于建筑材料领域,尤其是一种混凝土脱模剂及其生产工艺,针对现有的混凝土脱模剂所需的干燥时间过长,制备过程复杂,生产中的适用性差的问题,现提出如下方案,其中的科技塑方包括以下重量份的原料：热固性树脂废料22-30份、有机溶剂15-19份、增粘剂11-16份、乳化剂21-25份、增韧剂16-22份、填料10-18份、蒸馏水30-40份、硅藻土25-29份、硅胶5-9份、膨润土11-22份,本发明在原本的J-1型混凝土脱模剂制作的基础上添加了硅藻土、硅胶和膨润土,使得制成的混凝土脱模剂干燥速度更加的快,制作过程简单,可以能满足实际生产的需要,对制成的混凝土脱模剂能切割成大小一致的块状,包装更加简单。(The invention belongs to the field of building materials, in particular to a concrete release agent and a production process thereof, and provides the following scheme aiming at the problems of overlong drying time, complex preparation process and poor applicability in production of the existing concrete release agent, wherein a scientific and technological plastic formula comprises the following raw materials in parts by weight: the concrete release agent is prepared by adding diatomite, silica gel and bentonite on the basis of the original preparation of the J-1 type concrete release agent, so that the prepared concrete release agent has higher drying speed and simple preparation process, can meet the requirements of actual production, can be cut into blocks with consistent size, and is simpler to package.)

1. The concrete release agent is characterized by comprising the following raw materials in parts by weight: 22-30 parts of thermosetting resin waste, 15-19 parts of organic solvent, 11-16 parts of tackifier, 21-25 parts of emulsifier, 16-22 parts of toughening agent, 10-18 parts of filler, 30-40 parts of distilled water, 25-29 parts of diatomite, 5-9 parts of silica gel and 11-22 parts of bentonite.

2. The concrete mold release agent according to claim 1, characterized by comprising the following raw materials in parts by weight: 23-29 parts of thermosetting resin waste, 16-18 parts of organic solvent, 12-15 parts of tackifier, 22-24 parts of emulsifier, 17-21 parts of toughening agent, 11-17 parts of filler, 31-39 parts of distilled water, 26-28 parts of diatomite, 6-8 parts of silica gel and 12-21 parts of bentonite.

3. The concrete mold release agent according to claim 1, characterized by comprising the following raw materials in parts by weight: 22 parts of thermosetting resin waste, 15 parts of organic solvent, 11 parts of tackifier, 21 parts of emulsifier, 16 parts of toughening agent, 10 parts of filler, 30 parts of distilled water, 25 parts of diatomite, 5 parts of silica gel and 11 parts of bentonite.

4. The production process of the concrete release agent is characterized by comprising the following steps of:

s1: weighing thermosetting resin waste, an organic solvent, a tackifier, an emulsifier, a toughening agent, a filler, distilled water, diatomite, silica gel and bentonite by using weighing equipment according to a ratio;

s2: putting the weighed thermosetting resin waste raw materials into a dissolving pot for dissolving, removing moisture and removing water, wherein the dissolving temperature is 50-60 ℃, heating and stirring the thermosetting resin waste raw materials in the dissolving process, and sequentially adding an organic solvent, a tackifier, an emulsifier, a toughening agent, a filler, distilled water, diatomite, silica gel and bentonite into the thermosetting resin waste to obtain a mixture;

s3: then discharging the mixture into a cold mixer for cooling homogenization, wherein the cold mixing lasts for 400-500s, and the temperature of the material reaches 40-50 ℃ to obtain a mixture;

s4: the mixture enters an extruder, and is extruded, cooled and shaped;

s5: and packaging the shaped material into a finished product and warehousing after traction and cutting.

5. The process for producing a concrete mold release agent according to claim 1, wherein the organic solvent is one or more selected from benzene, toluene, xylene and ethyl acetate, and the filler is one or more selected from talc, dolomite powder and light calcium carbonate powder.

6. The process for the production of concrete release agents according to claim 1, characterized in that said emulsifying agents can be chosen from nonionic surfactants or anionic surface agents.

7. The process for producing a concrete mold release agent as claimed in claim 4, wherein in the step S4, the material is fed into the extruder from the hopper, a limiting plate is arranged below the hopper to limit the feeding amount of the material, the material is conveyed forward under the rotation of the screw, the material is heated by the barrel, sheared by the screw and compressed during the forward movement of the material to melt the material, the material in a viscous state passes through the die with a certain shape under the condition of pressurization, then the material is formed into a continuous body with a cross section similar to the die shape according to the die, and then the continuous body is cooled and shaped.

8. The process for producing a concrete mold release agent as claimed in claim 4, wherein in step S5, the material to be cooled and shaped is placed on a traction table, a cutter is arranged above the traction table, a baffle is arranged on the top of the traction table, the material is placed below the cutter from the side of the traction table far from the baffle, the cutter is driven by a driving mechanism to operate downwards to cut the material, and the cutting length of the material is equal to the horizontal distance from the cutter to the baffle.

9. The process for producing a concrete mold release agent according to claim 4, wherein in the step S5, the cooled and shaped material is placed on a traction table, and both sides of the material are clamped and fixed by using a clamp.

10. The production process of the concrete mold release agent as claimed in claim 8, wherein a hydraulic cylinder is fixedly installed on the top of the traction table, the hydraulic cylinder pushes the baffle to move horizontally, scales are arranged between the baffle and the cutter, and the hydraulic cylinder is started to adjust the position of the baffle according to the size of the material to be cut.

Technical Field

The invention relates to the technical field of building materials, in particular to a concrete release agent and a production process thereof.

Background

Concrete, referred to as "concrete (t you ng)": refers to the general name of engineering composite materials formed by cementing aggregate into a whole by cementing materials. The term concrete generally refers to cement as the cementing material and sand and stone as the aggregate; the cement concrete, also called as common concrete, is widely applied to civil engineering, and a release agent is needed in the production process of the concrete.

The existing concrete release agent needs too long drying time, is complex in preparation process and poor in applicability in production, so that a concrete release agent and a production process thereof are provided for solving the problems.

Disclosure of Invention

The invention aims to solve the defects of overlong drying time, complex preparation process and poor applicability in production of a concrete release agent in the prior art, and provides a concrete release agent and a production process thereof.

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

the concrete release agent comprises the following raw materials in parts by weight: 22-30 parts of thermosetting resin waste, 15-19 parts of organic solvent, 11-16 parts of tackifier, 21-25 parts of emulsifier, 16-22 parts of toughening agent, 10-18 parts of filler, 30-40 parts of distilled water, 25-29 parts of diatomite, 5-9 parts of silica gel and 11-22 parts of bentonite.

Preferably, the feed comprises the following raw materials in parts by weight: the feed comprises the following raw materials in parts by weight: 23-29 parts of thermosetting resin waste, 16-18 parts of organic solvent, 12-15 parts of tackifier, 22-24 parts of emulsifier, 17-21 parts of toughening agent, 11-17 parts of filler, 31-39 parts of distilled water, 26-28 parts of diatomite, 6-8 parts of silica gel and 12-21 parts of bentonite.

Preferably, the feed comprises the following raw materials in parts by weight: 22 parts of thermosetting resin waste, 15 parts of organic solvent, 11 parts of tackifier, 21 parts of emulsifier, 16 parts of toughening agent, 10 parts of filler, 30 parts of distilled water, 25 parts of diatomite, 5 parts of silica gel and 11 parts of bentonite.

The invention also provides a production process of the concrete release agent, which comprises the following steps:

s1: weighing thermosetting resin waste, an organic solvent, a tackifier, an emulsifier, a toughening agent, a filler, distilled water, diatomite, silica gel and bentonite by using weighing equipment according to a ratio;

s2: putting the weighed thermosetting resin waste raw materials into a dissolving pot for dissolving, removing moisture and removing water, wherein the dissolving temperature is 50-60 ℃, heating and stirring the thermosetting resin waste raw materials in the dissolving process, and sequentially adding an organic solvent, a tackifier, an emulsifier, a toughening agent, a filler, distilled water, diatomite, silica gel and bentonite into the thermosetting resin waste to obtain a mixture;

s3: then discharging the mixture into a cold mixer for cooling homogenization, wherein the cold mixing lasts for 400-500s, and the temperature of the material reaches 40-50 ℃ to obtain a mixture;

s4: the mixture enters an extruder, and is extruded, cooled and shaped;

s5: and packaging the shaped material into a finished product and warehousing after traction and cutting.

Preferably, the organic solvent can be one or more of benzene, toluene, xylene and ethyl acetate, and the filler is one or more of talcum powder, dolomite powder and light calcium carbonate powder.

Preferably, the emulsifiers can be chosen from nonionic surfactants or anionic surface performance agents.

Preferably, in S4, the material enters the extruder from the hopper, a limiting plate is disposed below the hopper to limit the feeding amount of the material, the material is conveyed forward under the driving of the screw, the material is heated by the charging barrel, sheared by the screw and compressed during the forward movement of the material, so that the material is melted, and under the condition of pressurization, the material in the viscous state passes through the die having a certain shape, and then becomes a continuous body with a cross section similar to that of the die according to the die, and then is cooled and shaped.

Preferably, in S5, the material to be cooled and sized is placed on the traction table, a cutter is arranged above the traction table, a baffle is installed at the top of the traction table, the material is placed below the cutter from the side of the traction table far from the baffle, the cutter is driven by a driving mechanism to operate downwards to cut the material, and the length of the material cut is equal to the horizontal distance from the cutter to the baffle.

Preferably, in S5, the cooled and shaped material is placed on a traction table, and the two sides of the material are clamped and fixed by using a clamp.

Preferably, a hydraulic cylinder is fixedly installed at the top of the traction table, the hydraulic cylinder pushes the baffle to move horizontally, scales are arranged between the baffle and the cutter, and the hydraulic cylinder is started to adjust the position of the baffle according to the size of the material to be cut.

According to the concrete release agent and the production process thereof, the diatomite, the silica gel and the bentonite are added on the basis of the original J-1 type concrete release agent, so that the prepared concrete release agent is higher in drying speed, simple in production process and capable of meeting the requirements of actual production, the prepared concrete release agent can be cut into blocks with the same size, and the packaging is simpler;

during cutting, the design of the baffle plate can control the cutting length, and meanwhile, the material can be clamped and fixed, so that the material is prevented from deviating during cutting;

the concrete release agent prepared by the invention has faster drying speed and simple preparation process, can meet the requirement of actual production, can be cut into blocks with consistent size, and is simpler to package.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.