阅读说明：本技术 一种耐污抗涂鸦装饰膜制备工艺及配方 (Preparation process and formula of stain-resistant and doodling-resistant decorative film ) 是由 谈望原 于 2020-07-16 设计创作，主要内容包括：本发明提供了一种耐污抗涂鸦装饰膜配方,包括：PVC树脂、增韧剂、热稳定剂、ACR树脂、润滑剂、UV树脂、消泡剂、引发剂、流平剂、耐污剂；具体配方由以下重量份的原料制成：PVC树脂100份、增韧剂4份、热稳定剂1份、ACR树脂2份、润滑剂1份、UV树脂90份、消泡剂0.3份、引发剂4份、流平剂1份和耐污剂1份。本发明在UV树脂中加入耐污抗涂鸦材料,在抗划痕的基础上,实现了耐污抗涂鸦功能,有利于保持装饰膜的洁净,避免了频繁更换装饰膜,降低了装修成本。(The invention provides a stain-resistant and doodle-resistant decorative film formula, which comprises the following components in parts by weight: PVC resin, a toughening agent, a heat stabilizer, ACR resin, a lubricant, UV resin, a defoaming agent, an initiator, a leveling agent and a stain-resistant agent; the specific formula is prepared from the following raw materials in parts by weight: 100 parts of PVC resin, 4 parts of toughening agent, 1 part of heat stabilizer, 2 parts of ACR resin, 1 part of lubricant, 90 parts of UV resin, 0.3 part of defoaming agent, 4 parts of initiator, 1 part of flatting agent and 1 part of stain-resistant agent. According to the UV resin coating, the stain-resistant and doodling-resistant material is added into the UV resin, so that the stain-resistant and doodling-resistant functions are realized on the basis of scratch resistance, the cleanness of the decorative film is kept, the frequent replacement of the decorative film is avoided, and the decoration cost is reduced.)

1. The formula of the stain-resistant and doodle-resistant decorative film is characterized in that: the method comprises the following steps: PVC resin, a toughening agent, a heat stabilizer, ACR resin, a lubricant, UV resin, a defoaming agent, an initiator, a leveling agent and a stain-resistant agent; the specific formula is prepared from the following raw materials in parts by weight: 100 parts of PVC resin, 4-6 parts of toughening agent, 1-2.5 parts of heat stabilizer, 2-3 parts of ACR resin, 1-2 parts of lubricant, 90-95 parts of UV resin, 0.3-0.5 part of defoaming agent, 4-8 parts of initiator, 1-2 parts of flatting agent and 1-3 parts of stain-resistant agent.

2. The formulation of a stain-resistant graffiti-resistant decorative film according to claim 1, wherein: the specific formula is prepared from the following raw materials in parts by weight: 100 parts of PVC resin, 5 parts of toughening agent, 2 parts of heat stabilizer, 2.5 parts of ACR resin, 1.5 parts of lubricant, 95 parts of UV resin, 0.4 part of defoaming agent, 6 parts of initiator, 1.5 parts of flatting agent and 2 parts of stain-resistant agent.

3. The formulation of a stain-resistant graffiti-resistant decorative film according to claim 1, wherein: the stain-resistant agent comprises organic polysilazane resin, acrylic resin, a surface active auxiliary agent and n-butyl acetate, and the stain-resistant agent comprises the following components in percentage by weight: 39% of organic polysilazane resin, 0.7% of acrylic resin, 0.2% of surface active assistant and 60.1% of n-butyl acetate.

4. The formulation of a stain-resistant graffiti-resistant decorative film according to claim 3, wherein: the surface active auxiliary agent comprises an anti-graffiti agent and acrylate-polyethylene glycol-succinimide acetate, and the specific proportion is as follows: the ratio of the anti-graffiti agent to the acrylate-polyethylene glycol-succinimide acetate is 1:3, and the anti-graffiti auxiliary agent is polydimethylsiloxane containing hydroxyl functional groups, preferably TEGO Protect5000N anti-graffiti auxiliary agent of Digao company.

5. The formulation of a stain-resistant graffiti-resistant decorative film according to claim 1, wherein: the toughening agent is MBS, the heat stabilizer is methyl tin mercaptide, and the lubricant is a mixture of polyfunctional fatty acid ester and polyethylene wax.

6. The formulation of a stain-resistant graffiti-resistant decorative film according to claim 1, wherein: the initiator is one or more of 1-hydroxy-cyclohexyl benzophenone, 2-hydroxy-2-methyl propiophenone and 2,4, 6-trimethyl benzoyl diphenyl phosphine oxide, and the defoaming agent is a polyether defoaming agent.

7. A preparation process of a stain-resistant and doodle-resistant decorative film is characterized by comprising the following steps: the method specifically comprises the following steps of,

step 1: taking 100 parts of PVC resin, 4-6 parts of toughening agent, 1-2.5 parts of heat stabilizer, 2-3 parts of ACR resin and 1-2 parts of lubricant, placing the materials in a stirring cavity, fully mixing, heating to 90-110 ℃, and extruding to a molding cavity through a screw;

step 2: calendering and molding the mixed material in the molding cavity through a molding machine, then heating to 50-60 ℃, cooling, and reeling to obtain a PVC film;

and step 3: adding 90-95 parts of UV resin, 4-8 parts of initiator and 1-2 parts of flatting agent into a stirring chamber, heating to 55-65 ℃, and stirring at high speed for 60-120 min;

and 4, step 4: adding 0.3-0.5 part of defoaming agent and 1-3 parts of stain-resistant agent into the mixed solution obtained in the step (3), keeping the temperature at 55-65 ℃, and stirring at high speed for 60min to obtain the UV resin stain-resistant and anti-doodling coating;

and 5: uniformly coating a layer of UV resin stain-resistant anti-graffiti coating on the surface of the PVC film obtained in the step 2 by using a gravure printing roller;

step 6: conveying the flat ultraviolet curing machine to a production line, and performing radiation curing under the condition that the ultraviolet energy is 360-440 mj/c square meter at the conveying speed of 11-14 m/min; the coating film can be completely cured to form a stain-resistant and graffiti-resistant coating with a defect-free surface, and the stain-resistant and graffiti-resistant decorative film can be obtained.

Technical Field

The invention relates to the technical field of decorative films, in particular to a preparation process and a formula of a stain-resistant and doodle-resistant decorative film.

Background

With the development of social level, people have higher requirements on the living environment. People do not limit to a single style and prefer to change the decorative style frequently. But traditional interior decoration of room all is fixed decoration, can not effectively change, if want to change the style, need to decorate again after the dismouting, waste time and energy and be not environmental protection.

In order to solve the problems, people often select the decorative film for indoor decoration, the decorative film can be customized according to the requirements of customers, and the decorative film is convenient to install, energy-saving and environment-friendly. However, when the decorative film is used indoors, certain living stains are often touched, and particularly, the situation of painting and drawing in disorder can occur in families with children. Many of the existing decorative films do not have the functions of stain resistance and graffiti resistance, and the decorative films are easy to stain and not easy to clean.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a preparation process and a formula of a stain-resistant and doodle-resistant decorative film, so as to solve the problems in the background technology.

The technical problem solved by the invention is to realize a stain-resistant and doodle-resistant decorative film formula by adopting the following technical scheme, which comprises the following steps: PVC resin, a toughening agent, a heat stabilizer, ACR resin, a lubricant, UV resin, a defoaming agent, an initiator, a leveling agent and a stain-resistant agent; the specific formula is prepared from the following raw materials in parts by weight: 100 parts of PVC resin, 4-6 parts of toughening agent, 1-2.5 parts of heat stabilizer, 2-3 parts of ACR resin, 1-2 parts of lubricant, 90-95 parts of UV resin, 0.3-0.5 part of defoaming agent, 4-8 parts of initiator, 1-2 parts of flatting agent and 1-3 parts of stain-resistant agent.

Preferably, the specific formula is prepared from the following raw materials in parts by weight: 100 parts of PVC resin, 5 parts of toughening agent, 2 parts of heat stabilizer, 2.5 parts of ACR resin, 1.5 parts of lubricant, 95 parts of UV resin, 0.4 part of defoaming agent, 6 parts of initiator, 1.5 parts of flatting agent and 2 parts of stain-resistant agent.

Preferably, the stain-resistant agent comprises organic polysilazane resin, acrylic resin, a surface active auxiliary agent and n-butyl acetate, and the specific ratio of the components is as follows: 39% of organic polysilazane resin, 0.7% of acrylic resin, 0.2% of surface active assistant and 60.1% of n-butyl acetate.

Preferably, the surface active auxiliary agent comprises an anti-graffiti agent and acrylate-polyethylene glycol-succinimide acetate, and the specific proportion is as follows: the ratio of the anti-graffiti agent to the acrylate-polyethylene glycol-succinimide acetate is 1:3, and the anti-graffiti aid is polydimethylsiloxane containing hydroxyl functional groups, preferably TEGOProtect5000N anti-graffiti aid from Digao corporation.

Preferably, the toughening agent is MBS, the heat stabilizer is methyl tin mercaptide, and the lubricant is a mixture of multifunctional fatty acid ester and polyethylene wax.

Preferably, the initiator is one or more of 1-hydroxy-cyclohexyl benzophenone, 2-hydroxy-2-methyl propiophenone and 2,4, 6-trimethyl benzoyl diphenyl phosphine oxide, and the defoaming agent is a polyether defoaming agent.

A preparation process of a stain-resistant and doodle-resistant decorative film comprises the following steps:

step 1: taking 100 parts of PVC resin, 4-6 parts of toughening agent, 1-2.5 parts of heat stabilizer, 2-3 parts of ACR resin and 1-2 parts of lubricant, placing the materials in a stirring cavity, fully mixing, heating to 90-110 ℃, and extruding to a molding cavity through a screw;

step 2: calendering and molding the mixed material in the molding cavity through a molding machine, then heating to 50-60 ℃, cooling, and reeling to obtain a PVC film;

and step 3: adding 90-95 parts of UV resin, 4-8 parts of initiator and 1-2 parts of flatting agent into a stirring chamber, heating to 55-65 ℃, and stirring at high speed for 60-120 min;

and 4, step 4: adding 0.3-0.5 part of defoaming agent and 1-3 parts of stain-resistant agent into the mixed solution obtained in the step (3), keeping the temperature at 55-65 ℃, and stirring at high speed for 60min to obtain the UV resin stain-resistant and anti-doodling coating;

and 5: uniformly coating a layer of UV resin stain-resistant anti-graffiti coating on the surface of the PVC film obtained in the step 2 by using a gravure printing roller;

step 6: conveying the flat ultraviolet curing machine to a production line, and performing radiation curing under the condition that the ultraviolet energy is 360-440 mj/c square meter at the conveying speed of 11-14 m/min; the coating film can be completely cured to form a stain-resistant and graffiti-resistant coating with a defect-free surface, and the stain-resistant and graffiti-resistant decorative film can be obtained.

Compared with the prior art, the invention has the following advantages: according to the UV resin coating, the stain-resistant and doodling-resistant material is added into the UV resin, so that the stain-resistant and doodling-resistant functions are realized on the basis of scratch resistance, the cleanness of the decorative film is kept, the frequent replacement of the decorative film is avoided, and the decoration cost is reduced.

Detailed Description

In order to make the technical means, the creation features, the work flow and the using method of the present invention easily understand and understand the purpose and the efficacy, 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, but 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.