阅读说明：本技术 一种pvc石塑地板用复合蜡及其制备方法 (Composite wax for PVC (polyvinyl chloride) stone-plastic floor and preparation method thereof ) 是由 王念鲁 于 2020-07-03 设计创作，主要内容包括：本申请涉及一种PVC石塑地板用复合蜡及其制备方法,其涉及石塑地板领域,旨在解决现有石塑地板中组分不能很好地均匀混合的问题,本申请的复合蜡原料包括以下组分：石蜡20-46份,PE蜡21-41份,费托蜡26-56份,硬脂酸18-44份,耐磨填料15-35份；复合蜡制备方法包括以下步骤：将石蜡、费托蜡和耐磨填料在60-70℃的温度下,80-90转/分钟的转速下搅拌60-70分钟；然后加入PE蜡和硬脂酸,继续搅拌40-50分钟,即可得到PVC石塑地板用复合蜡。本申请的复合蜡不仅可以减小石塑地板组分间的摩擦力,提高石塑地板组分的混合均一性,而且制备方法简单。(The application relates to a PVC stone plastic composite wax for floor and a preparation method thereof, which relate to the field of stone plastic floors and aim to solve the problem that the components in the existing stone plastic floor can not be well uniformly mixed, and the composite wax raw material comprises the following components: 20-46 parts of paraffin, 21-41 parts of PE wax, 26-56 parts of Fischer-Tropsch wax, 18-44 parts of stearic acid and 15-35 parts of wear-resistant filler; the preparation method of the composite wax comprises the following steps: stirring the paraffin, the Fischer-Tropsch wax and the wear-resistant filler at the temperature of 60-70 ℃ and the rotating speed of 80-90 revolutions per minute for 60-70 minutes; and then adding PE wax and stearic acid, and continuing stirring for 40-50 minutes to obtain the composite wax for the PVC stone plastic floor. The composite wax can reduce the friction force among the components of the stone plastic floor, improve the mixing uniformity of the components of the stone plastic floor, and is simple in preparation method.)

1. The composite wax for the PVC stone-plastic floor is characterized by comprising the following raw materials: 20-46 parts of paraffin, 21-41 parts of PE wax, 26-56 parts of Fischer-Tropsch wax, 18-44 parts of stearic acid and 15-35 parts of wear-resistant filler.

2. The composite wax for the PVC stone-plastic floor as claimed in claim 1, wherein the raw materials comprise the following components in parts by weight: 33-41 parts of paraffin, 26-35 parts of PE wax, 34-39 parts of Fischer-Tropsch wax, 23-34 parts of stearic acid and 20-28 parts of wear-resistant filler.

3. The composite wax for the PVC stone-plastic floor as claimed in claim 2, wherein the raw materials comprise the following components in parts by weight: 36 parts of paraffin, 31 parts of PE wax, 36 parts of Fischer-Tropsch wax, 27 parts of stearic acid and 25 parts of wear-resistant filler.

4. The composite wax for PVC stone plastic floor as claimed in claim 1, wherein: the wear-resistant filler comprises the following components in parts by weight: 20-51 parts of butyl rubber, 10-23 parts of white carbon black, 22-45 parts of polyvinylidene fluoride and 13-26 parts of ethyl acetate.

5. The composite wax for PVC stone plastic floor as claimed in claim 4, wherein: the wear-resistant filler also comprises the following components in parts by weight: 16-26 parts of urea-formaldehyde resin and 5-13 parts of polyvinyl alcohol.

6. The composite wax for PVC stone plastic floor as claimed in claim 1, wherein the raw materials further comprise the following components: 8-16 parts of bis (dioctyloxy pyrophosphate) ethylene titanate.

7. The composite wax for the PVC stone-plastic floor as claimed in claim 6, wherein the raw materials comprise the following components in parts by weight: 32 parts of paraffin, 34 parts of PE wax, 35 parts of Fischer-Tropsch wax, 27 parts of stearic acid, 23 parts of wear-resistant filler and 10 parts of bis (dioctyloxy pyrophosphate) ethylene titanate.

8. The composite wax for PVC stone plastic floor as claimed in claim 1, wherein the raw materials further comprise the following components: 10-36 parts of talcum powder.

9. The method for preparing the composite wax for the PVC stone-plastic floor as claimed in any one of claims 1 to 8, which comprises the steps of:

stirring the paraffin, the Fischer-Tropsch wax and the wear-resistant filler at the temperature of 60-70 ℃ and the rotating speed of 80-90 revolutions per minute for 60-70 minutes; and then adding PE wax and stearic acid, and continuing stirring for 40-50 minutes to obtain the composite wax for the PVC stone plastic floor.

10. The preparation method of the composite wax for PVC stone plastic floor as claimed in claim 9, wherein the preparation method comprises the following steps: stirring paraffin, Fischer-Tropsch wax and wear-resistant filler at the temperature of 60-70 ℃ and the rotating speed of 80-90 rpm for 60-70 minutes, adding bis (dioctyloxy pyrophosphate) ethylene titanate, stirring for 20-25 minutes, then adding PE wax and stearic acid, and continuing to stir for 40-50 minutes to obtain the composite wax for the PVC stone-plastic floor.

Technical Field

The application relates to the field of stone-plastic floors, in particular to a PVC composite wax for stone-plastic floors and a preparation method thereof.

Background

The stone plastic floor is also called as stone plastic floor tile, is a novel high-quality floor decoration material, and has the advantages of environmental protection, ultralight and ultrathin property, super wear resistance and the like.

The traditional Chinese patent with publication number CN109535599A discloses a PVC stone-plastic floor and a preparation method thereof, which relate to the field of manufacturing stone-plastic floors and comprise the following raw materials in parts by weight: 200-300 parts of PVC resin powder, 400-800 parts of calcareous filler, 20-40 parts of glass fiber, 1-2 parts of activating agent, 3-7 parts of thickening agent, 5-10 parts of dispersing agent, 10-15 parts of stabilizing agent, 5-15 parts of plasticizing regulator and 5-10 parts of defoaming agent.

However, because the components in the stone plastic floor disclosed in the patent are numerous, the friction force between the components is large during mixing, so that the stone plastic floor system is not mixed uniformly, and the performance of the stone plastic floor is affected.

Disclosure of Invention

In order to improve the mixing uniformity of components in the PVC stone plastic floor, the application provides the composite wax for the PVC stone plastic floor and the preparation method thereof.

The application provides a PVC stone plastic composite wax for floor and a preparation method thereof, which adopts the following technical scheme:

the composite wax for the PVC stone-plastic floor comprises the following raw materials: 20-46 parts of paraffin, 21-41 parts of PE wax, 26-56 parts of Fischer-Tropsch wax, 18-44 parts of stearic acid and 15-35 parts of wear-resistant filler.

By adopting the technical scheme, the paraffin is used as a hydrocarbon mixture, has stable chemical property and good lubricating property; the PE wax is polyethylene wax, is a high-molecular wax and is also a lubricating wax with stable chemical properties; the Fischer-Tropsch wax is a methylene polymer and has good wetting and lubricating effects; stearic acid, namely octadecanoic acid, also has good lubricity, and stearic acid can be used as the thermal stability of PVC resin to further improve the service performance of the stone plastic floor.

In addition, the paraffin wax, the PE wax, the Fischer-Tropsch wax and the stearic acid are compounded for use, so that the paraffin wax and the PE wax can interact with each other, the overall flexibility of the composite wax is improved, and the toughness of the stone plastic floor can be further improved; moreover, methylene in the Fischer-Tropsch wax has good lipophilicity, and the integral uniformity of the composite wax can be well improved, so that the performance of the stone plastic floor is improved.

This application is except adding paraffin, PE wax, Fischer-Tropsch wax and stearic acid in order to reduce the frictional force between the stone plastic floor component, has still added wear-resisting filler for the holistic wearability of composite wax improves, and after composite wax solidification, further improves the wearability on stone plastic floor. Thereby the compound wax of this application can improve the mixing homogeneity between stone plastic floor component well, improves the performance on stone plastic floor.

Preferably, the raw materials comprise the following components in parts by weight: 33-41 parts of paraffin, 26-35 parts of PE wax, 34-39 parts of Fischer-Tropsch wax, 23-34 parts of stearic acid and 20-28 parts of wear-resistant filler.

By adopting the technical scheme, the content of each component in the composite wax system is further optimized, so that each component can be better compounded, the service performance of the composite wax is improved, and the performance of the stone plastic floor is further improved.

Preferably, the raw materials comprise the following components in parts by weight: 36 parts of paraffin, 31 parts of PE wax, 36 parts of Fischer-Tropsch wax, 27 parts of stearic acid and 25 parts of wear-resistant filler.

By adopting the technical scheme, the content of each component in the composite wax system is further refined, so that each component can achieve the optimal compounding, the service performance of the composite wax is further improved, and the performance of the stone plastic floor is improved.

Preferably, the wear-resistant filler comprises the following components in parts by weight: 20-51 parts of butyl rubber, 10-23 parts of white carbon black, 22-45 parts of polyvinylidene fluoride and 13-26 parts of ethyl acetate.

By adopting the technical scheme, the butyl rubber has good wear resistance after being used as environment-friendly rubber and being reacted with white carbon black, and can be well mixed and dissolved with PE wax, so that the butyl rubber can be well distributed in a composite wax system; the ethyl acetate is used as a non-polar solvent, so that the dissolution of the Fischer-Tropsch wax and the paraffin wax can be promoted, and the dissolution of the butyl rubber in a composite wax system can be promoted; polyvinylidene fluoride is used as thermoplastic resin, the mechanical strength is high, the wear resistance is good, the integral wear resistance of the composite wax can be well improved, and polyvinylidene fluoride is used as fluororesin, wherein fluorine atoms can form hydrogen bonds with hydroxyl on the surface of inorganic materials such as calcium carbonate and the like, so that the dispersity and the associativity of the composite wax in a stone plastic floor system can be improved, the associativity of the inorganic materials and the organic materials in the stone plastic floor system is further improved, and the usability of the stone plastic floor is improved.

Preferably, the wear-resistant filler further comprises the following components in parts by weight: 16-26 parts of urea-formaldehyde resin and 5-13 parts of polyvinyl alcohol.

By adopting the technical scheme, the urea-formaldehyde resin is one of amino resins, the wear resistance is excellent, and the brittleness and the aging resistance of the urea-formaldehyde resin can be reduced after the polyvinyl alcohol is added, so that the wear resistance of the composite wax can be well improved; and because the urea-formaldehyde resin belongs to amino resin, the structure of the urea-formaldehyde resin contains alkoxy, and the urea-formaldehyde resin can react with hydroxyl or bound water on the surface of inorganic materials such as calcium carbonate and the like, so that the composite wax can be better dispersed in a stone-plastic floor system, and the binding strength of the composite wax and the stone-plastic floor system is improved.

Preferably, the raw materials further comprise the following components: 8-16 parts of bis (dioctyloxy pyrophosphate) ethylene titanate.

By adopting the technical scheme, after the bis (dioctyloxy pyrophosphate) ethylene titanate is added into the composite wax system, the compatibility of Fischer-Tropsch wax and paraffin wax as nonpolar resin and PE wax and stearic acid as polar resin can be well improved; and the addition of the bis (dioctyloxy pyrophosphate) ethylene titanate can further improve the bonding strength of the composite wax and a stone plastic floor system by the action of short-chain alkoxy in the bis (dioctyloxy pyrophosphate) ethylene titanate and hydroxyl protons on the surface of inorganic materials such as calcium carbonate and the like and bonding water, so that the service performance of the stone plastic floor is improved, and the addition of the bis (dioctyloxy pyrophosphate) ethylene titanate can also improve the dispersion performance of white carbon black and further provide the integral wear resistance of the composite wax.

Preferably, the raw materials comprise the following components in parts by weight: 32 parts of paraffin, 34 parts of PE wax, 35 parts of Fischer-Tropsch wax, 27 parts of stearic acid, 23 parts of wear-resistant filler and 10 parts of bis (dioctyloxy pyrophosphate) ethylene titanate.

By adopting the technical scheme, the content of the components of the composite wax after the bis (dioctyloxy pyrophosphate) ethylene titanate is added is optimized, so that the components of the composite wax are mutually matched, and the service performance of the composite wax is further improved.

Preferably, the raw materials further comprise the following components: 10-36 parts of talcum powder.

By adopting the technical scheme, the talcum powder mainly comprises hydrous magnesium silicate, has good lubricity and flow aid, can further improve the lubricating property of the composite wax, and can be used as an ultraviolet shielding agent, so that the influence of ultraviolet rays on the stone-plastic floor can be well reduced after the talcum powder is added into a stone-plastic floor system along with the composite wax system; meanwhile, the inorganic material talcum powder is filled in, so that the composite wax system is better compatible with the stone-plastic floor system.

Another object of the present application is to provide a method for preparing a composite wax for PVC stone plastic flooring, comprising the steps of: stirring the paraffin, the Fischer-Tropsch wax and the wear-resistant filler at the temperature of 60-70 ℃ and the rotating speed of 80-90 revolutions per minute for 60-70 minutes; and then adding PE wax and stearic acid, and continuing stirring for 40-50 minutes to obtain the composite wax for the PVC stone plastic floor.

By adopting the technical scheme, the wear-resistant filler is mixed with the paraffin and the Fischer-Tropsch wax in advance, and the vinyl acetate in the wear-resistant filler is utilized to promote the dissolution of the paraffin and the Fischer-Tropsch wax, so that the paraffin and the Fischer-Tropsch wax are better fused with the PE wax and the stearic acid, and the composite wax prepared by the method has good lubricating property and wear resistance.

Preferably, the paraffin, the Fischer-Tropsch wax and the wear-resistant filler are stirred for 60 to 70 minutes at the temperature of 60 to 70 ℃ and at the rotating speed of 80 to 90 revolutions per minute, then bis (dioctyloxy pyrophosphate) ethylene titanate is added, the stirring is carried out for 20 to 25 minutes, then the PE wax and the stearic acid are added, and the stirring is continued for 40 to 50 minutes, thus obtaining the composite wax for the PVC plastic-stone floor.

By adopting the technical scheme, the bis (dioctyloxy pyrophosphate) ethylene titanate is added before the PE wax and the stearic acid are added, so that the paraffin wax and the Fischer-Tropsch wax can be better fused with the PE wax and the stearic acid, and the composite wax prepared by the method has good lubricating property and wear resistance.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the paraffin wax, the PE wax, the Fischer-Tropsch wax and the stearic acid are compounded for use, so that the integral uniformity and lubricity of the composite wax can be well improved, and the performance of the stone plastic floor is improved; besides, the paraffin, the PE wax, the Fischer-Tropsch wax and the stearic acid are added to reduce the friction force among the components of the stone plastic floor, the wear-resistant filler is also added, so that the overall wear resistance of the composite wax is improved, and the wear resistance of the stone plastic floor is further improved after the composite wax is solidified. Therefore, the composite wax can well improve the mixing uniformity among the components of the stone plastic floor and improve the service performance of the stone plastic floor;

2. according to the wear-resistant filler, the butyl rubber and the polyvinylidene fluoride are added to improve the wear resistance of the composite wax, and fluorine atoms in the polyvinylidene fluoride can form hydrogen bonds with hydroxyl groups on the surface of inorganic materials such as calcium carbonate and the like, so that the dispersibility and the associativity of the composite wax in a stone-plastic floor system can be improved, the associativity of the inorganic materials and the organic materials in the stone-plastic floor system can be improved, and the usability of the stone-plastic floor can be improved;

3. the addition of bis (dioctyloxypyrophosphate) ethylene titanate in the present application can well improve the compatibility of fischer-tropsch wax and paraffin wax as nonpolar resins, and PE wax and stearic acid as polar resins; in addition, due to the addition of the bis (dioctyloxy pyrophosphate) ethylene titanate, short-chain alkoxy can react with hydroxyl protons and binding water on the surface of inorganic materials such as calcium carbonate and the like, so that the binding strength of the composite wax and a stone plastic floor system is further improved, and the service performance of the stone plastic floor is improved;

4. the talc powder is added in the application, so that the lubricating performance of the composite wax is improved, and the integral ultraviolet resistance of the stone plastic floor can be improved.

Detailed Description

The present application will be described in further detail with reference to examples.