阅读说明：本技术 一种无机抗撕拉抗碱封闭底漆 (Inorganic tear-resistant alkali-resistant seal primer ) 是由 李伟 李利华 赵道明 于 2021-07-26 设计创作，主要内容包括：本发明提供一种无机抗撕拉抗碱封闭底漆,涉及建筑装饰底漆技术领域。该种无机抗撕拉抗碱封闭底漆,包括抗碱乳液40-45%、碱金属硅酸盐水溶液20-30%、钛白粉5-10%、碳酸钙3-5%、滑石粉3-5%、成膜助剂1-2%、丙二醇1-2%、增稠流变剂2-3%、去离子水4-5%、防霉剂0.5-1%、消泡剂1-1.5%以及水5-10%；组成底漆的各原料按下述比例调配：抗碱乳液40%、碱金属硅酸盐水溶液26%、钛白粉5%、碳酸钙5%、滑石粉3%、成膜助剂1%、丙二醇1%、增稠流变剂2%。通过聚合无机材料,使其具有抗撕拉、抗碱、防水、耐高温、防腐蚀以及抗温变等综合性能,即使经过长时间的风吹、雨打、日晒或碱性物质腐蚀也不会出现开裂、脱壳等情况,既能对墙体起到保护作用,同时也可以起到很好的装饰作用。(The invention provides an inorganic anti-tearing alkali-resistant seal primer, and relates to the technical field of architectural decoration primers. The inorganic tear-resistant alkali-resistant seal primer comprises 40-45% of alkali-resistant emulsion, 20-30% of alkali metal silicate aqueous solution, 5-10% of titanium dioxide, 3-5% of calcium carbonate, 3-5% of talcum powder, 1-2% of film-forming assistant, 1-2% of propylene glycol, 2-3% of thickening rheological agent, 4-5% of deionized water, 0.5-1% of mildew inhibitor, 1-1.5% of defoaming agent and 5-10% of water; the raw materials for forming the primer are prepared according to the following proportion: 40% of alkali-resistant emulsion, 26% of alkali metal silicate aqueous solution, 5% of titanium dioxide, 5% of calcium carbonate, 3% of talcum powder, 1% of film-forming assistant, 1% of propylene glycol and 2% of thickening rheological agent. By polymerizing the inorganic material, the coating has the comprehensive properties of tearing resistance, alkali resistance, water resistance, high temperature resistance, corrosion resistance, temperature change resistance and the like, and can not crack or peel even after long-time wind blowing, rain striking, sun exposure or alkaline substance corrosion, thereby not only protecting the wall body, but also playing a good decorative role.)

1. The inorganic tear-resistant alkali-resistant seal primer is characterized by comprising the following raw materials in percentage by volume: 40-45% of alkali-resistant emulsion, 20-30% of alkali metal silicate aqueous solution, 5-10% of titanium dioxide, 3-5% of calcium carbonate, 3-5% of talcum powder, 1-2% of film-forming assistant, 1-2% of propylene glycol, 2-3% of thickening rheological agent, 4-5% of deionized water, 0.5-1% of mildew preventive, 1-1.5% of defoaming agent and 5-10% of water.

2. The inorganic tear and alkali resistant seal primer according to claim 1, wherein the raw materials for the primer are prepared according to the following proportions: 40% of alkali-resistant emulsion, 26% of alkali metal silicate aqueous solution, 5% of titanium dioxide, 5% of calcium carbonate, 3% of talcum powder, 1% of film-forming aid, 1% of propylene glycol, 2% of thickening rheological agent, 5% of deionized water, 1% of mildew preventive, 1% of defoaming agent and 10% of water.

3. The inorganic tear and alkali resistant primer sealer of claim 1, wherein: the film-forming auxiliary agent is propylene glycol butyl ether, the thickening rheological agent is methyl cellulose, the mildew preventive is phenol, and the defoaming agent is emulsified silicone oil.

4. The preparation method of the inorganic tear and alkali resistant seal primer according to claim 2, characterized by comprising the following specific steps:

s1, pouring 40% of alkali-resistant emulsion, 26% of alkali metal silicate aqueous solution, 5% of titanium dioxide, 5% of calcium carbonate and 3% of talcum powder into a stirring device, and continuously stirring for 20-30min;

s2, adjusting the rotating speed of the stirring device to a low rotating speed, sequentially adding 1% of a film forming aid, 1% of propylene glycol, 2% of a thickening rheological agent, 5% of deionized water, 1% of a mildew preventive and 10% of water into the mixed emulsion, and continuously stirring for 10min;

s3, adding 1% of defoaming agent into the mixed emulsion, adjusting the rotating speed of a stirring device to a medium rotating speed, continuously stirring, and stopping stirring after no obvious bubbles exist in the mixed emulsion to obtain a primer finished product;

and S4, mixing colors or keeping the primary color of the processed primer finished product according to the requirement, and finally sealing and packaging by using a sealing barrel.

5. The method for preparing the inorganic tear and alkali resistant primer sealer according to claim 4, wherein: in the step S1, when the alkali-resistant emulsion, the alkali metal silicate aqueous solution, the titanium dioxide, the calcium carbonate and the talcum powder are stirred, the rotating speed of the stirring device is controlled at 120r/min within the first 8-10min, and after 10min, the rotating speed of the stirring device is adjusted to 250r/min at 220-.

6. The method for preparing the inorganic tear and alkali resistant primer sealer according to claim 4, wherein: the processing steps in S1-S4 are all carried out at normal temperature and normal pressure.

7. The method for preparing the inorganic tear and alkali resistant primer sealer according to claim 4, wherein: and in the step S4, when special color matching is required to be performed on a small amount of primer finished products, the primer finished products can be stored by using a storage device, a handheld stirring device is used for stirring, and the stirring time is controlled to be 3-5 min.

Technical Field

The invention relates to the technical field of building decoration primer, in particular to an inorganic anti-tearing alkali-resistant seal primer.

Background

The coating is a material which is coated on the surface of an object, can be well bonded with a substrate material and forms a complete and tough protective film, is called as a coating, the coating and the paint have the same concept, and the functions of the coating can be summarized into three aspects, namely a protection function, a decoration function and a special function; the general composition of the coating comprises film forming substances, pigments, fillers, solvents and auxiliaries, the coating is one of indispensable materials for national economic development, and the coating has a plurality of varieties due to more special functions, and the architectural coating has a decoration function, a protection function and a habitability improvement function. The specific weight of each function is different depending on the purpose of use. The decoration function is a function of enhancing the appearance value of a building by beautifying the building; the protection function is a function of protecting a building from the influence and destruction of the environment, and the contents of the protection function requirements of different kinds of objects to be protected are different from each other. For example, the indexes required for indoor and outdoor painting are very different. Some buildings have special requirements for mould proofing, fire proofing, heat insulation, corrosion resistance and the like.

The building decoration primer can generally play a role in wall protection, wall decoration, fire prevention, heat preservation and the like, a plurality of concrete walls need to be coated with the primer on the surface after construction, various types of building decoration primers are available in the market at present, but the overall comprehensive performance of the primers is poor, cracking, shelling and other situations can occur after a period of wind blowing, rain striking, sunshine or alkaline substance corrosion, the protection and decoration effects on the walls cannot be realized, and the overall strength and safety of buildings can be affected even in serious cases;

to this end, we developed a new inorganic tear and alkali resistant sealer.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an inorganic anti-tearing alkali-resistant seal primer, which solves the problems that a plurality of different types of architectural decoration primers exist in the current market, but the overall comprehensive performance of a plurality of primers is poor, the primers can crack and peel after a period of wind blowing, rain striking, sun exposure or alkaline substance corrosion, the protection and decoration effects on walls cannot be realized, and the overall strength and safety of buildings can be affected even in severe cases.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an inorganic tear-resistant alkali-resistant seal primer comprises the following raw materials in percentage by volume: 40-45% of alkali-resistant emulsion, 20-30% of alkali metal silicate aqueous solution, 5-10% of titanium dioxide, 3-5% of calcium carbonate, 3-5% of talcum powder, 1-2% of film-forming assistant, 1-2% of propylene glycol, 2-3% of thickening rheological agent, 4-5% of deionized water, 0.5-1% of mildew preventive, 1-1.5% of defoaming agent and 5-10% of water.

Preferably, the raw materials for forming the primer are prepared according to the following proportion: 40% of alkali-resistant emulsion, 26% of alkali metal silicate aqueous solution, 5% of titanium dioxide, 5% of calcium carbonate, 3% of talcum powder, 1% of film-forming aid, 1% of propylene glycol, 2% of thickening rheological agent, 5% of deionized water, 1% of mildew preventive, 1% of defoaming agent and 10% of water.

Preferably, the film-forming auxiliary agent is propylene glycol butyl ether, the thickening rheological agent is methyl cellulose, the mildew preventive is phenol, and the defoaming agent is emulsified silicone oil.

A preparation method of an inorganic tear-resistant alkali-resistant seal primer comprises the following specific steps:

s1, pouring 40% of alkali-resistant emulsion, 26% of alkali metal silicate aqueous solution, 5% of titanium dioxide, 5% of calcium carbonate and 3% of talcum powder into a stirring device, and continuously stirring for 20-30min;

s2, adjusting the rotating speed of the stirring device to a low rotating speed, sequentially adding 1% of a film forming aid, 1% of propylene glycol, 2% of a thickening rheological agent, 5% of deionized water, 1% of a mildew preventive and 10% of water into the mixed emulsion, and continuously stirring for 10min;

s3, adding 1% of defoaming agent into the mixed emulsion, adjusting the rotating speed of a stirring device to a medium rotating speed, continuously stirring, and stopping stirring after no obvious bubbles exist in the mixed emulsion to obtain a primer finished product;

and S4, mixing colors or keeping the primary color of the processed primer finished product according to the requirement, and finally sealing and packaging by using a sealing barrel.

Preferably, when the alkali-resistant emulsion, the alkali metal silicate aqueous solution, the titanium dioxide, the calcium carbonate and the talcum powder are stirred in the step S1, the rotating speed of the stirring device is controlled to be 120r/min for the first 8-10min, the rotating speed of the stirring device is adjusted to be 250r/min for 220-10 min, the rotating speed of the stirring device is controlled to be 120r/min for 100-10 min in the early stage, so that the stirring and mixing effects can be achieved, the situation that part of the powdery raw material is lifted due to the over-high rotating speed can be prevented, after the powder and the liquid raw material are fully fused, the rotating speed of the stirring device is adjusted to be 250r/min for 220-4 is avoided, the mixed emulsion can be quickly stirred, the overall mixing quality of the mixed emulsion is improved, and the processing efficiency is improved.

Preferably, the processing steps in S1-S4 are all performed at normal temperature and normal pressure, and the processing is performed at normal temperature and normal pressure, so that the whole processing technology is simpler, and the primer is convenient to rapidly produce and process.

Preferably, when needing to carry out special mixing of colors to a small amount of priming paint finished products in S4, usable storage device holds, adopts handheld agitating unit to stir, and stirring time control is in 3-5min, when carrying out the mixing of colors to a small amount of priming paint, can utilize small-size agitated vessel to carry out handheld processing, also can mix colors before the priming paint uses.

(III) advantageous effects

The invention provides an inorganic anti-tearing alkali-resistant seal primer. The method has the following beneficial effects:

1. the inorganic tear-resistant alkali-resistant seal primer can permeate into the base material after being used, so that capillary pores in the base are blocked, the permeation of water in the coating is inhibited, the permeation is uniform, and the absorption of the base to the upper coating is uniform; the seal primer can prevent water and resist alkali isolation, effectively isolate alkali of the base layer and prevent alkaline substances from seeping out to damage the coating; and reinforcing the loose and weak substrate to reinforce the substrate.

2. The inorganic tear-resistant alkali-resistant seal primer has comprehensive performances of tear resistance, alkali resistance, water resistance, high temperature resistance, corrosion resistance, temperature change resistance and the like by polymerizing inorganic materials, does not crack or peel even after long-time blowing, raining, solarization or corrosion of alkaline substances, can protect a wall body, and can play a good decorative role.

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 (b):

the embodiment of the invention provides an inorganic anti-tearing alkali-resistant seal primer, which comprises the following raw materials in percentage by volume: 40-45% of alkali-resistant emulsion, 20-30% of alkali metal silicate aqueous solution, 5-10% of titanium dioxide, 3-5% of calcium carbonate, 3-5% of talcum powder, 1-2% of film-forming assistant, 1-2% of propylene glycol, 2-3% of thickening rheological agent, 4-5% of deionized water, 0.5-1% of mildew preventive, 1-1.5% of defoaming agent and 5-10% of water.

The raw materials for forming the primer are prepared according to the following proportion: 40% of alkali-resistant emulsion, 26% of alkali metal silicate aqueous solution, 5% of titanium dioxide, 5% of calcium carbonate, 3% of talcum powder, 1% of film-forming aid, 1% of propylene glycol, 2% of thickening rheological agent, 5% of deionized water, 1% of mildew preventive, 1% of defoaming agent and 10% of water.

The film forming assistant is propylene glycol butyl ether, the thickening rheological agent is methyl cellulose, the mildew preventive is phenol, and the defoaming agent is emulsified silicone oil.

A preparation method of an inorganic tear-resistant alkali-resistant seal primer comprises the following specific steps:

s1, pouring 40% of alkali-resistant emulsion, 26% of alkali metal silicate aqueous solution, 5% of titanium dioxide, 5% of calcium carbonate and 3% of talcum powder into a stirring device, and continuously stirring for 20-30min;

s2, adjusting the rotating speed of the stirring device to a low rotating speed, sequentially adding 1% of a film forming aid, 1% of propylene glycol, 2% of a thickening rheological agent, 5% of deionized water, 1% of a mildew preventive and 10% of water into the mixed emulsion, and continuously stirring for 10min;

s3, adding 1% of defoaming agent into the mixed emulsion, adjusting the rotating speed of a stirring device to a medium rotating speed, continuously stirring, and stopping stirring after no obvious bubbles exist in the mixed emulsion to obtain a primer finished product;

and S4, mixing colors or keeping the primary color of the processed primer finished product according to the requirement, and finally sealing and packaging by using a sealing barrel.

In S1, when the alkali-resistant emulsion, the alkali metal silicate aqueous solution, the titanium dioxide, the calcium carbonate and the talcum powder are stirred, the rotating speed of the stirring device is controlled to be 120r/min at the first 8-10min, the rotating speed of the stirring device is adjusted to be 250r/min at the second 10min, the rotating speed of the stirring device is controlled to be 120r/min at the first stage, so that the stirring and mixing effects can be achieved, meanwhile, the situation that part of powdery raw materials are lifted due to the fact that the rotating speed is too high can be prevented, after the powder and the liquid raw materials are fully fused, the rotating speed of the stirring device is adjusted to be 250r/min at the second stage, the mixed emulsion can be quickly stirred, the whole mixing quality of the mixed emulsion is improved, and the processing efficiency can be improved.

The processing steps in S1-S4 are all carried out at normal temperature and normal pressure, and the processing is carried out at normal temperature and normal pressure, so that the whole processing technology is simpler, and the primer is convenient to rapidly produce and process.

When a small amount of primer finished products need to be specially toned in S4, the primer finished products can be stored by using a storage device, a handheld stirring device is used for stirring, the stirring time is controlled to be 3-5min, when a small amount of primers are toned, handheld processing can be performed by using small-sized stirring equipment, and toning can also be performed before the primers are used.

When the inorganic anti-tearing alkali-resistant sealing primer is used, firstly, dust, grease, mildew and algae and other adhesive substances on the surface of a wall body are removed, the surface is kept clean, dry and firm, the water content of the surface of the wall body is less than 10%, and the pH value is less than 10; removing the old paint film on the old wall surface by using a scraper knife, and flattening the old paint film by using abrasive paper, wherein the construction environment is controlled to be 5-35 ℃, and the humidity is less than 85%; the inorganic tear-resistant alkali-resistant seal primer can be sprayed or roll-coated, and when the inorganic tear-resistant alkali-resistant seal primer is used, the primer can be uniformly sprayed or roll-coated on the wall surface.

Detecting items	Technical index	Test results
			State in the container	Stirring without hardening and in uniform state	Qualified
Appearance of coating film	The appearance is smooth	Is normal
			Tear resistance	No block falling off by knocking	Qualified
Fire resistance	No crack and no spalling	No abnormality
			Water resistance (240h)	Has no bubble, crack or peeling	No abnormality
Alkali resistance (240h)	Has no bubble, crack or peeling	No abnormality
			Temperature resistant change (20 times)	Has no bubble, crack or peeling	No abnormality
Storage stability (365 days)	Uniform state	No abnormality

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.