CN101830070A - Thermoplastic elastomer composite for preparing wood-imitation material and method for manufacturing wood-imitation material by using same - Google Patents

Thermoplastic elastomer composite for preparing wood-imitation material and method for manufacturing wood-imitation material by using same Download PDF

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CN101830070A
CN101830070A CN200910119538A CN200910119538A CN101830070A CN 101830070 A CN101830070 A CN 101830070A CN 200910119538 A CN200910119538 A CN 200910119538A CN 200910119538 A CN200910119538 A CN 200910119538A CN 101830070 A CN101830070 A CN 101830070A
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thermoplastic elastomer
wood
styrene
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史瑞生
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WEIXI SCIENCE-TECHNOLOGY Co Ltd
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WEIXI SCIENCE-TECHNOLOGY Co Ltd
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Abstract

The invention relates to a thermoplastic elastomer composite for preparing a wood-imitation material and a method for manufacturing the wood-imitation material by using the same. The method comprises the following steps of: mixing a composite at least including a thermoplastic elastomer material with a foaming agent and a bridging agent to be used as raw materials; carrying out hot melting and mixing on the raw materials to be used as a hot melting raw material; forming a sheet by using a gluing machine through adopting the hot melting raw material; and laminating a plurality of sheets for hot-pressing and foaming, leveling and cutting. Any wood fragment or powder is not added in the method, and the prepared wood-imitation material has wood texture. In addition, the wood-imitation material prepared by the invention has the advantage of resisting water, has integral characteristic of high polymer materials, and can be recycled after the use.

Description

Prepare the composition for thermoplastic elastomer of imitated wood material and utilize said composition to make the method for imitated wood material
Technical field
The invention relates to a kind of composition for thermoplastic elastomer (thermoplasticelastomer for preparing imitated wood material, TPE) and utilize said composition to make the method for imitated wood material, be meant that especially a kind of thermoplastic elastomer (TPE) that utilizes is base material, under the condition that need not add wood powder, produce the composition for thermoplastic elastomer that has timber wood grain and waterproof and recycling characteristic imitated wood material concurrently and utilize said composition to make the method for imitated wood material.
Background technology
Timber always is the stock of making furniture, guardrail, paper, some stationery or toy, but in recent years under a large amount of felling of trees, the supporting relatively plan of planting of planting is not arranged, the influence of climatic variation in addition, cause the quantity of trees fewer and feweri, and then cause the timber that can be used for above-mentioned use very limited, and especially to find the large-scale perennial seeds that can be used to make large-scale furniture, very difficult especially.
In recent years, at home the three-ply boards that use replace former green wood more on the timber of decoration, and three-ply board system is peeled into thin slice with trees, the plank that composes after with one deck straight burr one deck band crossover with adhesive.Three-ply board has light weight and the strong characteristic of machinability, still has easy suction because of timber and attracts termite, moth to stay long characteristic, therefore often need use waterproofing agent or moth-proof material to prolong the service life of three-ply board when constructing separately.But use waterproofing agent not only can elongate the construction time-histories, the smell that it had also is unfavorable for health.In addition, the intensity of three-ply board can not show a candle to the firm of log, for also producing restriction its service life.
For the shortcoming that overcomes the easily moist corruption of timber, grows termite or moth, suppress the formation wood imitating building material after some research staff will plastify raw material and wood chip mixes now.This wood imitating building material has the characteristic of plasticizing material, has also had the wood grain of timber concurrently, therefore becomes emerging building materials and selects.Yet this wood imitating building material is also because of timber and the plastics of having mixed simultaneously, so having in the damage, and regeneration again, also caused the puzzlement in the environmental protection of part indirectly.
Though thermoplastic elastic material is more common in the buffer body in the daily life at present, but this buffer body belong to more have elasticity, bent flexible material, when need to strengthen its hardness, strengthening its impact resistance when being converted into other purposes, often be subject to material prescription, foaming is difficult for and the not wield technical bottleneck of condition of molding, and the field of having limited its application.
Summary of the invention
The inventor is in order to be home environment quality and the most one's own of earth environmental protection, and hope can drop into relevant R﹠D work in the research and development experience of macromolecular material many decades with self, send imitated wood material preparation method of the present invention finally.
The present invention's main purpose is to provide a kind of composition for thermoplastic elastomer for preparing imitated wood material, and the imitated wood material that utilizes said composition to prepare has the wooden lines of nature.
The present invention prepares the composition for thermoplastic elastomer of imitated wood material, in the 100wt% composition components, comprising:
Content ratio is the thermoplastic elastic material of 10-80wt%;
Content ratio is the hard segment structure material of 10-80wt%;
Content ratio is the bridging agent of 0.01-2.0wt%; And
Content ratio is the blowing agent of 0.1-15.0wt%.
A kind of method of utilizing composition for thermoplastic elastomer to make imitated wood material that provides is provided.In this preparation method, do not add any wooden flakes or powder, therefore, utilize the imitated wood material of the inventive method preparation to have the advantage of waterproof, and have complete macromolecular material characteristic concurrently, still can regain recasting utilization after the use once more.
The present invention's the method for utilizing composition for thermoplastic elastomer to prepare imitated wood material comprises the following steps:
(1) composite and a blowing agent, a bridging agent that will include thermoplastic elastic material and hard segment structure material is mixed into raw material;
(2) this raw material is carried out hot melt with the temperature more than 100 ℃ and be mixed into the hot melt raw material;
(3) this forms a thin slice with hot melt prepared using adhesive tape machine; And
(4) a plurality of these thin slices are coincided carry out hot-pressing and foaming, flatten and cut.
In the present invention's preparation method, the control of material composition is very important for the preparation of imitated wood material.In the 100wt% material composition, the content ratio of this thermoplastic elastic material is that the content ratio of 10-80wt%, this hard segment structure material is that the content ratio of 10-80wt%, blowing agent is that the content ratio of 0.1-15.0wt%, blowing promotor is that the content ratio of 0.1-10.0wt%, bridging agent is 0.01-2.0wt%, in the present invention's preparation method, also can control the quality of prepared imitated wood material by adding colorant.
The kind that this thermoplastic elastomer (TPE) or this hard segment structure material are selected and the ratio of interpolation maybe can be adjusted this thermoplastic elastomer (TPE) and this hard segment structure material mixing method etc. the imitated wood material of character such as preparing different hardness or density.
In addition, thermoplastic elastomer (TPE) is in foaming process, and also cracking reaction causes in regular meeting, and the material character instability after causing foaming.Therefore, foaming condition is also very important concerning the present invention's preparation method, so hot-pressing and foaming condition in step (4), heating-up temperature during its hot-pressing and foaming and pressure can be set according to the material of thin slice and the thickness of storehouse, this heating-up temperature can be adjusted between 160 ℃ to 180 ℃, and pressure then can be between every square centimeter of 250 to 300 kilograms of (kg/cm 2).
In the present invention's preparation method,, taken into account the function of keeping thin slice flowability of thin slice interior molecules in foaming process simultaneously by the gas that the bridging agent that adds trace at foaming process can envelope in foaming process to be produced.
Among the present invention's the preparation method, the addition of blowing agent can be controlled the cell size and the density of foaming back imitated wood material, for the rerum natura of imitated wood material integral body great influence is arranged.
Utilize composition for thermoplastic elastomer to prepare in the step of imitated wood material in the present invention, with the stacking back of this thin slice, when carrying out the processing of hot-pressing and foaming and leveling, then can be because of the reciprocation between different thin slices, and produce in layer, the depth color imitative wood grain of layer gradually, and lines that should imitative wood grain also can be different because of character such as the thickness of this thin slice, color, can further be adjusted according to situation.
Via the made imitated wood material of preparation method of the present invention, color is very close with general timber, and side also has just like the wood grain of annual ring; Can find via the physical property test, utilize its hardness of imitated wood material of the inventive method preparation very close with teak and have light weight, can bear the characteristic of weight, no matter compare with general timber or the plastifying material that mixes timber, the made imitated wood material of preparation method of the present invention has more the character that does not absorb water, and is fit to very much to be applied to the making that the seat in general open-air park or fence, wood furniture or tame decorations, toy or building blocks, gardening are made products such as scape or log art ware, stationery, various models.No matter use or short-term use for a long time is all very suitable; imitated wood material after the use is because of being main material with macromolecular material and not adding other any material; therefore can reclaim moulding at processing method overline by general macromolecular material; can exempt the space of using the back to be difficult for handling and causing piles up; the earth of exhausting gradually for resource or with regard to the environmental protection viewpoint all is a contribution greatly.
The specific embodiment
The composition for thermoplastic elastomer of the present invention's preparation imitated wood material, in the 100wt% composition components, comprise that content ratio is that thermoplastic elastic material, the content ratio of 10-80wt% is that the hard segment structure material of 10-80wt%, bridging agent and the content ratio that content ratio is 0.01-2.0wt% are the blowing agent of 0.1-15.0wt%.
In this composition for thermoplastic elastomer, can strengthen and promote the every effect and the performance of the imitated wood material that utilizes the prepared one-tenth of this composition for thermoplastic elastomer by adding blowing promotor, colorant or fireproof agent.
(thermoplastic elastomer, TPE) preparation of compositions imitated wood material method comprises the following steps: the present invention's the thermoplastic elastomer (TPE) that utilizes
(1) composite and a blowing agent, a blowing promotor, a bridging agent that will include thermoplastic elastic material and hard segment structure material is mixed into raw material;
(2) this raw material is carried out hot melt with the temperature more than 100 ℃ and be mixed into a hot melt raw material;
(3) this forms a thin slice with hot melt prepared using adhesive tape machine; And
(4) a plurality of these thin slices are coincided carry out hot-pressing and foaming, flatten and cut.
Wherein this hot melt raw material is mediated with 120-130 ℃ in adhesive tape machine in the step (3), with 120 ℃ this hot melt raw material is pressed into the thin slice slice.
Wherein the heating-up temperature and the pressure of hot-pressing and foaming can be set according to the material of thin slice and the thickness of storehouse in the step (4), and this heating-up temperature can be adjusted between 160 ℃ to 180 ℃, and pressure then can be between every square centimeter of 250 to 300 kilograms of (kg/cm 2).
Wherein making imitated wood material of the present invention system is substrate with the thermoplastic elastic material, this thermoplastic elastic material can be selected from styrene-butadiene block copolymer (SBS), styrene-isoprene block copolymer (SIS), SBC (styrenic block copolymers, SBC) or the macromolecular compound group of the arbitrary mixture of aforesaid compound, and this thermoplastic elastic material content ratio of accounting for the 100wt% raw material be 10-80wt%.
This hard segment structure material is to be selected from polystyrene (Polystyrene, PS), acrylonitritrile-styrene resin (Acrylonitrile-styrene copolymer, AS), acrylonitrile-butadiene propylene-styrene copolymer (Acrylonitrile-butadiene-styrene, ABS), high impact polystyrene (High impact polystyrene, HIPS) or the macromolecular compound group of the arbitrary mixture of aforesaid compound, the content ratio that this hard segment structure material accounts for the 100wt% raw material is 10-80wt%.
This blowing agent system is selected from physical foaming agents such as azo class CBA or saleratus power, and the content ratio that this blowing agent accounts for the 100wt% raw material is 0.1-15.0wt%.
Blowing promotor: the content ratio that accounts for the 100wt% raw material is 0.1-10.0wt%.
This bridging agent system is selected from diisopropylbenzyl peroxide (dicumylperoxide), 2, three grades of butyl-2 of 5-peroxide, 5-dimethylhexane<2,5-(tert-butylperoxide)-2,5-dimethylhexane〉or Sulfur, the content ratio that this bridging agent accounts for the 100wt% raw material is 0.01-2.0wt%.
In step (1), also can adjust preparedly to go out the color of imitated wood material or add the fire resistance property that fireproof agent is strengthened the imitated wood material of the present invention's preparation by the interpolation of colorant.
Below will be illustrated at the present invention with embodiment.
Embodiment
1. feedstock production: the prescription that is following table evenly mixes.
Figure B2009101195383D0000071
2. the temperature with 120 ℃ of above-mentioned mixed uniformly prepared usings heats, to produce softening and near the hot melt raw material of hot melt state.
3. this hot melt raw material is produced the thin slice of thickness between 0.5-1.0 millimeter (mm) through adhesive tape machine.
4. hot-pressing and foaming is carried out in the stacking back of multi-disc thin slice in hot press and form an expanded material, wherein the heating-up temperature of hot-pressing and foaming is 160 ℃, and pressure then is every square centimeter of 300 kilograms of (kg/cm 2).
5. before this expanded material cooling, flatten, form a leveling material with 40 to 50 ℃ temperature.
6. should flatten that material is planished and cutting edge, promptly form imitated wood material with wooden lines.
Every rerum natura of this imitated wood material is as shown in Table 1:
Table one, the every physical property of imitated wood material of utilizing the inventive method to prepare:
Figure B2009101195383D0000081

Claims (18)

1. method of utilizing composition for thermoplastic elastomer to prepare imitated wood material, it is characterized in that: this method comprises the following steps:
(1) composite and a blowing agent, a bridging agent that will include thermoplastic elastic material and hard segment structure material is mixed into raw material;
(2) this raw material is carried out hot melt with the temperature more than 100 ℃ and be mixed into the hot melt raw material;
(3) this forms a thin slice with hot melt prepared using adhesive tape machine; And
(4) a plurality of thin slices are coincided carry out hot-pressing and foaming, flatten and cut, the heating-up temperature of hot-pressing and foaming is between 160 ℃ to 180 ℃, and hot pressing pressure is 250 to 300kg/cm 2
2. method according to claim 1 is characterized in that: this thermoplastic elastic material system is selected from the macromolecular compound group of the arbitrary mixture of styrene-butadiene block copolymer, styrene-isoprene block copolymer, SBC or aforesaid compound.
3. method according to claim 2 is characterized in that: this thermoplastic elastic material accounts for the 10-80wt% of 100wt% material composition.
4. method according to claim 2 is characterized in that: this hard segment structure material is the macromolecular compound group that is selected from polystyrene, acrylonitritrile-styrene resin, acrylonitrile-butadiene propylene-styrene copolymer, high impact polystyrene or the arbitrary mixture of aforesaid compound.
5. method according to claim 4 is characterized in that: this hard segment structure material accounts for the 10-80wt% of 100wt% material composition.
6. method according to claim 4 is characterized in that: this blowing agent accounts for the 0.1-15.0wt% of 100wt% material composition.
7. method according to claim 6 is characterized in that: this bridging agent accounts for the 0.01-2.0wt% of 100wt% material composition.
8. method according to claim 7 is characterized in that: after the thin slice that coincides in the step (4) carries out hot-pressing and foaming, flatten with 40 to 50 ℃ before cooling.
9. method according to claim 8 is characterized in that: step is also added a colorant in (1).
10. method according to claim 8 is characterized in that: step is also added a fireproof agent in (1).
11. according to any one described method in the claim 1 to 8, it is characterized in that: step is also added a blowing promotor in (1), and this blowing promotor accounts for the 0.1-10.0wt% of 100wt% material composition.
12. a composition for thermoplastic elastomer for preparing imitated wood material is characterized in that: in the 100wt% composition components, comprising:
Content ratio is the thermoplastic elastic material of 10-80wt%;
Content ratio is the hard segment structure material of 10-80wt%;
Content ratio is the bridging agent of 0.01-2.0wt%; And
Content ratio is the blowing agent of 0.1-15.0wt%.
13. composition for thermoplastic elastomer according to claim 12 is characterized in that: this thermoplastic elastic material system is selected from the macromolecular compound group of the arbitrary mixture of styrene-butadiene block copolymer, styrene-isoprene block copolymer, SBC or aforesaid compound.
14. according to claim 12 or 13 each described composition for thermoplastic elastomer, it is characterized in that: this hard segment structure material is the macromolecular compound group that is selected from polystyrene, acrylonitritrile-styrene resin, acrylonitrile-butadiene propylene-styrene copolymer, high impact polystyrene or the arbitrary mixture of aforesaid compound.
15. composition for thermoplastic elastomer according to claim 14 is characterized in that: also contain a blowing promotor in the said composition composition.
16. composition for thermoplastic elastomer according to claim 14 is characterized in that: also contain a colorant in the said composition composition.
17. composition for thermoplastic elastomer according to claim 14 is characterized in that: also contain a fireproof agent in the said composition composition.
18. composition for thermoplastic elastomer according to claim 15 is characterized in that: this blowing promotor accounts for the 0.1-10.0wt% of 100wt% composition components.
CN200910119538A 2009-03-13 2009-03-13 Thermoplastic elastomer composite for preparing wood-imitation material and method for manufacturing wood-imitation material by using same Pending CN101830070A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102336977A (en) * 2011-07-21 2012-02-01 厦门大学 Fully plastic wood-imitation material and preparation method thereof
US8809406B2 (en) 2006-01-20 2014-08-19 Material Innovations Llc Carpet waste composite
WO2016026065A1 (en) * 2014-08-22 2016-02-25 亚德利塑胶工厂股份有限公司 Method for manufacturing synthetic wood
CN106317736A (en) * 2016-09-19 2017-01-11 福建晋江市山水鞋材有限公司 Foamed hard wood-like material and preparation method and application thereof
US10875281B2 (en) 2008-12-19 2020-12-29 Fiber Composites Llc Wood-plastic composites utilizing ionomer capstocks and methods of manufacture
US11572646B2 (en) 2020-11-18 2023-02-07 Material Innovations Llc Composite building materials and methods of manufacture

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8809406B2 (en) 2006-01-20 2014-08-19 Material Innovations Llc Carpet waste composite
US9637920B2 (en) 2006-01-20 2017-05-02 Material Innovations Llc Carpet waste composite
US10294666B2 (en) 2006-01-20 2019-05-21 Material Innovations Llc Carpet waste composite
US10822798B2 (en) 2006-01-20 2020-11-03 Material Innovations Llc Carpet waste composite
US11773592B2 (en) 2006-01-20 2023-10-03 Material Innovations Llc Carpet waste composite
US10875281B2 (en) 2008-12-19 2020-12-29 Fiber Composites Llc Wood-plastic composites utilizing ionomer capstocks and methods of manufacture
CN102336977A (en) * 2011-07-21 2012-02-01 厦门大学 Fully plastic wood-imitation material and preparation method thereof
WO2016026065A1 (en) * 2014-08-22 2016-02-25 亚德利塑胶工厂股份有限公司 Method for manufacturing synthetic wood
CN106317736A (en) * 2016-09-19 2017-01-11 福建晋江市山水鞋材有限公司 Foamed hard wood-like material and preparation method and application thereof
US11572646B2 (en) 2020-11-18 2023-02-07 Material Innovations Llc Composite building materials and methods of manufacture

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Application publication date: 20100915