CN104861677A - Polyvinyl chloride (PVC) plastic wood material for substitution of wood - Google Patents

Abstract

The invention discloses a polyvinyl chloride (PVC) plastic wood material for substitution of wood, the polyvinyl chloride (PVC) plastic wood material comprises the following components by mass: 15%-25% of polyvinyl chloride (PVC), 6%-12% of chlorinated polyethylene, 20%-35% of wood powder, 8%-12% of vermiculite, 10%-15% of zinc borate, 6%-10% of ACR, 5%-9% of a plasticizer, 2%-4% of AS-g - GMA, 1%-2% of an anti-ageing agent, 0.1%-0.5% of an antioxidant, 0.5%-1% of a colorant, and 0.1%-1% of a lubricant, and the wood powder is wood fine powder prepared from wood processing leftove bits and pieces, waste wood product recycled products and crops straw as raw materials by cleaning processing and crushing into 100-300 mesh. The beneficial effect is that the polyvinyl chloride (PVC) plastic wood material has high strength, good toughness, flame retardance, corrosion resistance, ageing resistance, easy processing, good dimensional stability, no deformation, moth resistance, low cost, durable use and other advantages.

Description

A kind of polyvinyl chloride plastic-wood material of alternative timber

Technical field

The present invention relates to wood producing technical field, specifically a kind of polyvinyl chloride plastic-wood material of alternative timber.

Background technology

Timber be a kind of renewable, can recycling and can the green material of natural degradation and Biological resources, it has beautiful texture, color and luster is natural, texture is comfortable, plasticity-is good, be easy to the advantages such as processing, dark liking by people, and be widely used in the fields such as interior decoration, Furniture manufacture, building construction, extraneous adornment.Meanwhile, due to exceedingly utilization, deforest and reclamation, only cut and do not make, make timber resource shortage, the forest reserves suffer seriously to break ring etc., will the sound development of the eubiosis and environmental protection be had influence on.Polyvinyl chloride (PVC) is one of five large resins for universal use, and its output is only second to polyethylene (PE), because polyvinyl chloride has excellent fire-retardant, insulation, the chemical property such as wear-resistant, has been widely used in the fields such as building materials, light industry, agricultural.Therefore, Study and Development is a kind of is that the plastic-wood material of raw material substitutes timber with polyvinyl chloride, can solve timber resources problem in short supply preferably, and cost is low, wide adaptability, thus has very high practical value and popularizing application prospect.

Summary of the invention

The object of the present invention is to provide the polyvinyl chloride plastic-wood material of the alternative timber of the low and wide adaptability of a kind of high comprehensive performance, cost.

The technical solution adopted for the present invention to solve the technical problems is: a kind of polyvinyl chloride plastic-wood material of alternative timber, and its component by mass percent proportioning is: polyvinyl chloride 15% ~ 25%, chlorinatedpolyethylene 6% ~ 12%, wood powder 20% ~ 35%, vermiculite power 8% ~ 12%, zinc borate 10% ~ 15%, ACR 6% ~ 10%, softening agent 5% ~ 9%, AS-g-GMA 2% ~ 4%, protective agent 1% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, tinting material 0.5% ~ 1%, lubricant 0.1% ~ 1%.

The mean polymerisation degree of described polyvinyl chloride 800 ~ 1200, weight-average molecular weight 10.0 ten thousand ~ 14.5 ten thousand, granularity is in 150 ~ 250 order scopes.

Described wood powder is with the tailing of wood working, waste and old wood-based product recovery article, agricultural crop straw for raw material, processes through clean and be ground into the wooden fine powder of 100 ~ 300 object.

The particle diameter of described vermiculite power is in 20 ~ 150 order scopes.

Described ACR is Methylacrylate-Acrylate Copolymer.

Described softening agent is the dibutyl phthalate of mass ratio 1 ~ 3:1 and the compound of polyoxyethylene glycol.

Described AS-g-GMA is acrylonitritrile-styrene resin graft glycidyl methacrylate.

Described protective agent is ESCALOL 567 or Octabenzone.

Described oxidation inhibitor is irgasfos 168 (three [2.4-di-tert-butyl-phenyl] phosphorous acid ester), antioxidant 264 (2-tert-butyl-4-methyl-Phenol), antioxidant 300 (4,4 '-thiobis (6-tert-butyl-m-cresol)), oxidation inhibitor 565(4-nitro-2,6-DI-tert-butylphenol compounds), antioxidant 1010 (four [methyl-β-(3,5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester), one or more in antioxidant 1076 (β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid).

Described tinting material is the one in titanium dioxide, carbon black, zinc sulfide white, red iron oxide, organic red pigment, organic yellow pigment, organic phthalocyanine, organic blue pigment.

Described lubricant is the one in calcium stearate, ultra-fine TAS-2A powder, pentaerythritol stearate.

The preparation method of the polyvinyl chloride plastic-wood material of above-mentioned a kind of alternative timber, comprises the following steps:

(1), with the tailing of wood working, waste and old wood-based product recovery article, agricultural crop straw for raw material, through sorting, clean with after removing impurity, 100 ~ 300 object fine powders are processed into by pulverizer, then add in roller drying machine and carry out drying, make wood powder, in roller drying machine, moisture is reduced to 8% ~ 12%, obtain described wood powder;

(2) take each component, by weight ratio, comprise the dry wood powder that step (1) obtains, then add in agitator, at 70 DEG C ~ 95 DEG C temperature, stir 20 ~ 50min, to be mixed evenly after, discharging;

(3), the material that step (2) obtains is added twin screw extruder melting and be squeezed into injection molding in forming mould, and the temperature controlling twin screw extruder is 170 DEG C ~ 200 DEG C, then cooling, the demoulding, the parison obtained is the polyvinyl chloride plastic-wood material of a kind of alternative timber of the present invention.

The invention has the beneficial effects as follows, the present invention has that intensity is high, good toughness, the advantage such as fire-retardant, anticorrosive, ageing-resistant, easy processing, and good stability of the dimension, indeformable, Anti-moth-eating, cost is low, durable in use, alternative timber is suitable for the fields such as construction and decoration, Furniture manufacture, decoration.

Embodiment

Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.

Embodiment 1:

A kind of polyvinyl chloride plastic-wood material of alternative timber, its component by mass percent proportioning is: polyvinyl chloride 15%, chlorinatedpolyethylene 12%, wood powder 20%, vermiculite power 12%, zinc borate 15%, ACR 10%, softening agent 9%, AS-g-GMA 3%, ESCALOL 567 2%, irgasfos 168 0.5%, carbon black 1%, calcium stearate 0.5%, the mean polymerisation degree of described polyvinyl chloride 800 ~ 1200, weight-average molecular weight 10.0 ten thousand ~ 14.5 ten thousand, granularity is in 150 ~ 250 order scopes; Described wood powder is with the tailing of wood working, waste and old wood-based product recovery article, agricultural crop straw for raw material, processes through clean and be ground into the wooden fine powder of 100 ~ 300 object; The particle diameter of described vermiculite power is in 20 ~ 150 order scopes; Described softening agent is the dibutyl phthalate of mass ratio 1:1 and the compound of polyoxyethylene glycol.

Preparation method: (1), with the tailing of wood working, waste and old wood-based product recovery article, agricultural crop straw for raw material, through sorting, clean with after removing impurity, 100 ~ 300 object fine powders are processed into by pulverizer, then add in roller drying machine and carry out drying, make wood powder, in roller drying machine, moisture is reduced to 8% ~ 12%, obtain described wood powder; (2) take each component, by weight ratio, comprise the dry wood powder that step (1) obtains, then add in agitator, at 70 DEG C ~ 95 DEG C temperature, stir 20 ~ 50min, to be mixed evenly after, discharging; (3), the material that step (2) obtains is added twin screw extruder melting and be squeezed into injection molding in forming mould, and the temperature controlling twin screw extruder is 170 DEG C ~ 200 DEG C, then cooling, the demoulding, the parison obtained is the polyvinyl chloride plastic-wood material of a kind of alternative timber of the present invention.

Embodiment 2:

A kind of polyvinyl chloride plastic-wood material of alternative timber, its component by mass percent proportioning is: polyvinyl chloride 25%, chlorinatedpolyethylene 6%, wood powder 35%, vermiculite power 8%, zinc borate 10%, ACR 6%, softening agent 5%, AS-g-GMA 2%, Octabenzone 1%, antioxidant 1010 0.1%, organic blue pigment 1%, pentaerythritol stearate 0.9%, the mean polymerisation degree of described polyvinyl chloride is 800 ~ 1200, weight-average molecular weight is 10.0 ten thousand ~ 14.5 ten thousand, granularity is in 150 ~ 250 order scopes, described wood powder is the tailing with wood working, waste and old wood-based product recovery article, agricultural crop straw is raw material, through clean processing, and be ground into the wooden fine powder of 100 ~ 300 object, the particle diameter of described vermiculite power is in 20 ~ 150 order scopes, and described softening agent is the dibutyl phthalate of mass ratio 3:1 and the compound of polyoxyethylene glycol.

Preparation method: (1), with the tailing of wood working, waste and old wood-based product recovery article, agricultural crop straw for raw material, through sorting, clean with after removing impurity, 100 ~ 300 object fine powders are processed into by pulverizer, then add in roller drying machine and carry out drying, make wood powder, in roller drying machine, moisture is reduced to 8% ~ 12%, obtain described wood powder; (2) take each component, by weight ratio, comprise the dry wood powder that step (1) obtains, then add in agitator, at 70 DEG C ~ 95 DEG C temperature, stir 20 ~ 50min, to be mixed evenly after, discharging; (3), the material that step (2) obtains is added twin screw extruder melting and be squeezed into injection molding in forming mould, and the temperature controlling twin screw extruder is 170 DEG C ~ 200 DEG C, then cooling, the demoulding, the parison obtained is the polyvinyl chloride plastic-wood material of a kind of alternative timber of the present invention.

Claims (7)

1. the polyvinyl chloride plastic-wood material of an alternative timber, it is characterized in that, its component by mass percent proportioning is: polyvinyl chloride 15% ~ 25%, chlorinatedpolyethylene 6% ~ 12%, wood powder 20% ~ 35%, vermiculite power 8% ~ 12%, zinc borate 10% ~ 15%, ACR 6% ~ 10%, softening agent 5% ~ 9%, AS-g-GMA 2% ~ 4%, protective agent 1% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, tinting material 0.5% ~ 1%, lubricant 0.1% ~ 1%.

2. the polyvinyl chloride plastic-wood material of a kind of alternative timber according to claim 1, is characterized in that, the mean polymerisation degree of described polyvinyl chloride 800 ~ 1200, weight-average molecular weight 10.0 ten thousand ~ 14.5 ten thousand, granularity is in 150 ~ 250 order scopes.

3. the polyvinyl chloride plastic-wood material of a kind of alternative timber according to claim 1, it is characterized in that, described wood powder is with the tailing of wood working, waste and old wood-based product recovery article, agricultural crop straw for raw material, processes through clean and be ground into the wooden fine powder of 100 ~ 300 object.

4. the polyvinyl chloride plastic-wood material of a kind of alternative timber according to claim 1, is characterized in that, the particle diameter of described vermiculite power is in 20 ~ 150 order scopes.

5. the polyvinyl chloride plastic-wood material of a kind of alternative timber according to claim 1, is characterized in that, described softening agent is the dibutyl phthalate of mass ratio 1 ~ 3:1 and the compound of polyoxyethylene glycol.

6. the polyvinyl chloride plastic-wood material of a kind of alternative timber according to claim 1, is characterized in that, described protective agent is ESCALOL 567 or Octabenzone.

7. the preparation method of the polyvinyl chloride plastic-wood material of a kind of alternative timber according to claim 1, is characterized in that, comprise the following steps:

(1), with the tailing of wood working, waste and old wood-based product recovery article, agricultural crop straw for raw material, through sorting, clean with after removing impurity, 100 ~ 300 object fine powders are processed into by pulverizer, then add in roller drying machine and carry out drying, make wood powder, in roller drying machine, moisture is reduced to 8% ~ 12%, obtain described wood powder;

(2) take each component, by weight ratio, comprise the dry wood powder that step (1) obtains, then add in agitator, at 70 DEG C ~ 95 DEG C temperature, stir 20 ~ 50min, to be mixed evenly after, discharging;

(3), the material that step (2) obtains is added twin screw extruder melting and be squeezed into injection molding in forming mould, and the temperature controlling twin screw extruder is 170 DEG C ~ 200 DEG C, then cooling, the demoulding, the parison obtained is the polyvinyl chloride plastic-wood material of a kind of alternative timber of the present invention.