阅读说明：本技术 一种岩棉板防水加固封边料及其制备工艺 (Waterproof reinforcing edge sealing material for rock wool board and preparation process of waterproof reinforcing edge sealing material ) 是由 刘访艺 王希安 钟云 许亚军 程栋 臧亚栋 周存宝 王耀西 高迎弟 于 2020-12-30 设计创作，主要内容包括：本发明涉及一种岩棉板防水加固封边料及其制备工艺,特别适用于岩棉保温装饰板或岩棉复合板的防水封边,属于建筑材料技术领域。包括高强成膜材料、低沸点溶剂,二者的质量比为(10～40)：(20～200)。本发明的防水加固封边料成本低廉,成膜速度快,成膜强度高,防水性能优异,可实现岩棉板在线连续化封边；制作工艺简捷,低能耗,高效率。(The invention relates to a waterproof reinforcing edge sealing material for rock wool boards and a preparation process thereof, which are particularly suitable for waterproof edge sealing of rock wool heat-insulating decorative boards or rock wool composite boards and belong to the technical field of building materials. The coating comprises a high-strength film-forming material and a low-boiling-point solvent, wherein the mass ratio of the high-strength film-forming material to the low-boiling-point solvent is (10-40): (20-200). The waterproof reinforcing edge sealing material is low in cost, high in film forming speed, high in film forming strength and excellent in waterproof performance, and can realize online continuous edge sealing of rock wool boards; the manufacturing process is simple, low in energy consumption and high in efficiency.)

1. The rock wool board waterproof reinforcing edge sealing material is characterized by comprising a high-strength film forming material and a low-boiling-point solvent, wherein the mass ratio of the high-strength film forming material to the low-boiling-point solvent is (10-40): (20-200).

2. The rock wool board waterproof reinforcing edge sealing material of claim 1, wherein the rock wool board waterproof reinforcing edge sealing material further comprises an anti-settling agent, and the mass ratio of the high-strength film-forming material to the low-boiling-point solvent to the anti-settling agent is (10-40): (20-200): (0-400).

3. The rock wool board waterproof reinforcing edge sealing material of claim 2, wherein the rock wool board waterproof reinforcing edge sealing material further comprises a reinforcing filler, and the mass ratio of the high-strength film-forming material, the low-boiling-point solvent, the anti-settling agent and the reinforcing filler is (10-40): (20-200): (0-400): (0-400).

4. The rock wool panel waterproof reinforcing edge sealing material as claimed in claim 1, wherein the high-strength film forming material is polystyrene or polyester resin with high water resistance and high film forming strength.

5. The waterproof reinforcing and edge sealing material for rock wool boards as claimed in claim 1, wherein the low boiling point solvent is any one or a mixture of dichloromethane, monofluoro dichloromethane, pentafluoropropane, LBA, R134a, R125, R32, R407C, R410A and R152.

6. The rock wool board waterproof reinforcing edge sealing material as claimed in claim 1, wherein DMF which accounts for 0-10% of the weight of the low-boiling point solvent is added into the low-boiling point solvent.

7. The rock wool panel waterproof reinforcing edge sealing material as claimed in claim 2, wherein the anti-settling agent is one or a mixture of attapulgite, kaolin and organic bentonite.

8. The rock wool board waterproof reinforcing edge sealing material as claimed in claim 3, wherein the reinforcing filler is one or more of talcum powder, diatomite, cement and calcium carbonate powder.

9. A preparation process of rock wool board waterproof reinforcing edge sealing material is characterized by comprising the following steps:

1) pumping the low-boiling-point solvent into the kettle through a material pumping pipe;

2) adding a high-strength film forming material while stirring;

3) and after the high-strength film-forming material is completely dissolved, adding the anti-settling agent and the reinforcing filler while stirring.

Technical Field

The invention relates to a rock wool board waterproof reinforcing edge sealing material and a preparation process thereof, is particularly suitable for waterproof edge sealing of polyurethane modified rock wool heat-preservation decorative boards or rock wool composite boards, and belongs to the technical field of building materials.

Background

Rock wool is as traditional insulation material by wide application in the outer heat preservation field of outer wall, and rock wool board product is because the factor of material self, and waterproof effect is unsatisfactory all around, and intensity is poor, is limited to technique and cost factor, and rock wool composite sheet and rock wool integration board on the market basically do not carry out corresponding processing all around to the rock wool board, have some technical worker to this problem to make research to this. Patent publication No.: CN 103043945a, patent name: the application of the organic silicon emulsion waterproof agent in the waterproof agent of the heat-insulating material for the exterior wall rock wool provides the organic silicon emulsion waterproof agent for the rock wool waterproofing, and has the defects of complex raw material and manufacturing process, high time and economic cost, small improvement on the strength of a rock wool board and the like.

Therefore, the problem is solved by providing a low-cost and high-strength rock wool board waterproof reinforcing edge sealing material.

Disclosure of Invention

The invention aims to solve the problems and provides the rock wool board waterproof reinforcing edge sealing material which is simple and convenient in manufacturing process, low in cost and capable of effectively improving the strength of the rock wool board and the preparation process thereof.

The rock wool board waterproof reinforcing edge sealing material is characterized by comprising a high-strength film forming material and a low-boiling point solvent, wherein the mass ratio of the high-strength film forming material to the low-boiling point solvent is (10-40): (20-200);

the rock wool board waterproof reinforcing edge sealing material also comprises an anti-settling agent, wherein the mass ratio of the high-strength film-forming material to the low-boiling-point solvent to the anti-settling agent is (10-40): (20-200): (0-400);

the rock wool board waterproof reinforcing edge sealing material also comprises a reinforcing filler, wherein the mass ratio of the high-strength film forming material to the low-boiling-point solvent to the anti-settling agent to the reinforcing filler is (10-40): (20-200): (0-400): (0-400);

the high-strength film-forming material is polystyrene or polyester resin with strong waterproofness and high film-forming strength, the strength of the high-strength film-forming material is far higher than that of acrylic emulsion and organic silicon emulsion on the market, and the high-strength film-forming material can effectively prevent water and improve the side strength of the rock wool board;

the low boiling point solvent comprises but is not limited to any one or a mixture of dichloromethane, monofluoro dichloromethane, 245fa, LBA, R134a, R125, R32, R407C, R410A and R152;

in order to achieve a better dissolving effect of the high-strength film-forming material in the solvent, DMF which accounts for 0-10% of the weight of the low-boiling-point solvent is added into the low-boiling-point solvent;

the anti-settling agent comprises but is not limited to one or more of attapulgite, kaolin and organic bentonite;

the reinforcing filler comprises but is not limited to one or more of talcum powder, diatomite, cement and calcium carbonate powder.

A preparation process of rock wool board waterproof reinforcing edge sealing material is characterized by comprising the following steps:

1. pumping the low-boiling-point solvent into the kettle through a material pumping pipe;

2. adding a high-strength film-forming material while stirring;

3. after the high-strength film-forming material is completely dissolved, the anti-settling agent and the reinforcing filler are added while stirring.

The rock wool board waterproof reinforcing edge sealing material and the preparation process thereof have the following beneficial effects:

the film-forming material polystyrene or polyester resin in the formula has extremely high film-forming strength, stable chemical property and strong weather resistance, can be quickly dissolved in the low-boiling-point solvent, has wide sources, can meet the requirements of recycled polystyrene foam or polyester resin on the market, realizes waste utilization, and is energy-saving and environment-friendly; in the construction process, the volatilization speed of the solvent determines the film forming speed of the product, compared with an aqueous solvent and a high-boiling-point solvent, the low-boiling-point solvent can ensure that the product can form a film quickly in a short time, and guarantee is provided for the efficient and low-energy-consumption online continuous waterproof reinforcement treatment of the rock wool board, and when the dissolving speed of some polyester resins in the low-boiling-point solvent is lower, a proper amount of DMF (dimethyl formamide) can accelerate the dissolution of the polyester resins in the low-boiling-point solvent; the addition of the reinforcing filler can reduce the usage amount of the film forming material and reduce the cost on one hand, and can play a role in supporting the framework to further improve the film forming strength on the other hand; the anti-settling agent can play a role in reinforcing the filler to further improve the film forming strength, and can ensure that the system can keep stable and uniform for a long time and prolong the storage period of the product.

The high-strength film-forming material, the low-boiling-point solvent, the anti-settling agent and the reinforcing filler are matched with one another, so that a high-temperature or high-pressure environment is not required to be additionally provided in the preparation process of the product, the energy consumption is greatly reduced, the target product can be obtained by simply and physically mixing the four components, and the production efficiency of the product is improved.

In the edge sealing and curing process of the product, the permeability of a low-boiling-point solvent dissolved with a high-strength film forming material to rock wool is stronger than that of a reinforcing filler and an anti-settling agent, the film forming material is tightly combined with the rock wool after the low-boiling-point solvent permeated into the rock wool volatilizes, the rigid structure of the film forming material greatly improves the strength of the rock wool, the reinforcing filler, the anti-settling agent and the film forming material which are left on the outer side of the rock wool board have extremely high strength, a firm waterproof reinforcing layer is formed outside the rock wool board, the film forming material organically combines the rock wool on the inner side with the reinforcing filler and the anti-settling agent on the outer side into a whole, and the internal and external combination double insurance jointly achieves an excellent waterproof reinforcing effect.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

Example 1

The rock wool board waterproof reinforcing edge sealing material comprises a high-strength film forming material polystyrene and a low-boiling-point solvent dichloromethane, and the mass ratio of the high-strength film forming material polystyrene to the low-boiling-point solvent dichloromethane is 20: 80. When the high-strength film-forming material is prepared, the low-boiling-point solvent is pumped into a kettle through a material pumping pipe, the high-strength film-forming material PS is added while stirring, after the high-strength film-forming material is completely dissolved, the No. 1 formula can be prepared, and then the product is packaged. The formula can be used for edge sealing of rock wool boards, and the following effects can be achieved:

example 2

The rock wool board waterproof reinforcing edge sealing material comprises four parts, namely high-strength film-forming material polyester resin, low-boiling-point solvent 245fa, DMF and attapulgite, and the mass ratio of the materials is 10:40:4: 35. The preparation process comprises the following steps:

1. pumping a low-boiling point solvent dichloromethane into the kettle through a material pumping pipe;

2. adding a high-strength film-forming material PS while stirring;

3. after the high-strength film-forming material is completely dissolved, the attapulgite is added while stirring.

4. Packaging the product and preparing into No. 2 formula.

The formula can be used for edge sealing of rock wool boards, and the following effects can be achieved:

hardness of	Water absorption capacity (kg/m)2)	Film Forming time (min)
			46HD	0	5

Example 3

The rock wool board waterproof reinforcing edge sealing material comprises a high-strength film forming material PS, a low-boiling-point solvent dichloromethane, an anti-settling agent organic bentonite and reinforcing filler 425 cement, wherein the mass ratio of the materials is 25:100:10: 110.

The preparation process comprises the following steps:

1. pumping a low-boiling point solvent dichloromethane into the kettle through a material pumping pipe;

2. adding a high-strength film-forming material PS while stirring;

3. after the high-strength film-forming material is completely dissolved, the organic bentonite and 425 cement are added while stirring.

4. Packaging the product and preparing into formula No. 3.

The formula can be used for edge sealing of rock wool boards, and the following effects can be achieved:

hardness of	Water absorption capacity (kg/m)2)	Film Forming time (min)
			52HD	0	3

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications and substitutions may be made in these embodiments without departing from the principles and spirit of the invention, and are intended to be included within the scope of the invention.