CN1103829A - Regenerative board made of plastics and wood and the processing art - Google Patents
Regenerative board made of plastics and wood and the processing art Download PDFInfo
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- CN1103829A CN1103829A CN 93120053 CN93120053A CN1103829A CN 1103829 A CN1103829 A CN 1103829A CN 93120053 CN93120053 CN 93120053 CN 93120053 A CN93120053 A CN 93120053A CN 1103829 A CN1103829 A CN 1103829A
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Abstract
In the disclosed technology, waste polyvinyl and wood dust is used as main raw material and adds proper modifier, burning retarder and pigment to make the plastics-wood regenerative material substituting for wood by adopting the process of double compounding and double extrusion forming. It can be extensively used in the trades of building, fitting up, furniture and packing. We can not only use plastics to substitute for wood but also resolves the pollution problem of large amount of incapable utilized waste polyvinyl, besides it also has the advantages of convenient and cheap raw material, low cost and good performance.
Description
The invention belongs to the prescription and the preparation method of composite regenerated sheet material.
Along with industrial development and human living standard improve, building industry, decorative craft, furniture, packing needs light sheet material to increase rapidly.The three-ply board that timber is made is subjected to the resource restriction can not satisfy this demand.A large amount of substitute products have been produced, as high pressure fiberboard, particieboard etc. thereupon.Mainly utilize waste and old clout and the various fibre resources of utilizing.Development is various synthetic plates subsequently, comprising the composite plate of utilizing polyethylene particle and natural fiber to make, this sheet material production needs to form by hydraulic press or the heat seal of laminating machine high pressure with the high-quality polyethylene, though it is functional, can substitute wooden thin plate basically, but its equipment investment is big, production cost is also high.
The object of the invention provides a kind ofly can directly be utilized waste polyethylene to be raw material and mix the wood dust that wood processing produces and make the prescription of regenerated plates and supporting processing technology thereof, for construction and decoration and furniture production provide a kind of new cheap sheet material.
Basic task of the present invention is to utilize recovery waste polyethylene plastics and wood dust to be modifier an amount of on the base-material proportioning and fire retardant.Form with reference to polypropylene, ABS and so on plate extrusion forming processes.Concrete summary of the invention is as follows:
At first utilize the extrusion plate moulding process to test the selected raw material proportioning of moulding wooden regenerated plates involved in the present invention repeatedly, concrete proportioning following (percentage by weight):
Regenerated polythene plastics 47-60%
Wood dust 35-50%
Modifier 1.5-3%
Fire retardant 1-3%
Pigment 0.5-1%.
Wherein modifier mainly adopts precipitated calcium carbonate and powdered whiting, also can mix perlite and glass fibre, and comparatively ideal modifier adopts the mixture of above four kinds of materials, be by weight ratio: 4 parts of precipitated calcium carbonates, 3 parts of powdered whitings, 2 parts of perlites, 1 part in glass fibre.Be uniformly mixed into and be modifier used among the present invention.
Wherein fire retardant system adopts Firebrake ZB.Pigment is then determined according to user's needs increase proportioning.Not adding the pigment finished product is grey or grey black look, suitably strengthens all the other proportioning components when not adding pigment.
Provide specific embodiment (by weight percentage) below:
Embodiment 123
Regeneration PEF plastics 47% 60% 52%
Wood dust 50% 35% 42%
Modifier 1.5% 3% 2.5%
Fire retardant 1.5% 1% 3%
Pigment 0 1% 0.5%.
The given composition of raw materials of the present invention can be realized the regenerated plates that a kind of novel plastic wood mixes.Also must match for producing qualified product, further specify and the objective of the invention is how to realize with regard to describing technology involved in the present invention below with special process of the present invention.
What Fig. 1 provided is process chart of the present invention.
Wherein 1 represent a machine, the waste polyethylene plastics are processed as a type regenerated polythene plastics at this, and 2 represent raw material proportioning for the first time; 3 represent extruder No. one time; 4 represent the intermediate products of an extruder, and 5 represent disintegrating machine, and 5A represents second batch; 6 represent the secondary extruder; 7 represent calender, 8 representative section hauling machines, and 9 represent plate shearing machine; wherein dotted arrow represents that raw material adds, solid arrow represent the processing materials process flow to.
The processing technology of moulding wooden regenerated plates involved in the present invention as can be seen with reference to the accompanying drawings is to adopt on the basis of described in front raw material proportioning to feed intake for twice, and the special process processing method of twice extrusion modling is finished plate forming.It mainly comprises following operation: (a) with waste polyethylene plastics recovery regeneration and granulation, (b) carry out the charge ratio first time according to the given recipe ratio of the present invention, polyethylene regenerated plastics wood dust wherein, fire retardant is proportioning in accordance with regulations all, the modifier addition is the 70-80% of specified proportioning, (c) will mix after once batching add to squeeze machine and realize that an extrusion process obtains intermediate products 4, (d) will once push the intermediate products 4 that obtain and send into crusher in crushing, (e) second batch, intermediate products after the fragmentation 4 are added paint in proportion evenly mix the processing of back adding secondary extruder with remaining 20-30% modifier, (f) in second extruder, realize the sheet material extrusion modling, (g) with the sheet material of extrusion modling through calender, the section hauling machine, plate shearing machine is processed into final finished.
In an extrusion process of above PROCESS FOR TREATMENT (c), technological temperature be controlled to be feed zone 100-120 ℃, compression section 140-170 ℃, 180-200 ℃ of fusing section.Use two extruder parallel runnings in the secondary extrusion molding procedure (f), two shared extruder heads of extruder, process conditions are feed zone 100-150 ℃, compression section 180-200 ℃, 210-220 ℃ of fusing section, plate forming head temperature is 230-260 ℃.Material flow in the whole process of production is by the speed of a motor vehicle control of section hauling machine, from the secondary extrusion sheet forming do calendering, the sanction of the cutting edge sheet material hauling speed that plate adopted is the 0.03-0.05 meter per second.In above technology, to raw meal particle size certain requirement should be arranged, wood dust is answered the above sieve of 40 orders, and the recycled plastic granulation degree is 3-5mm
3Between.Intermediate products 4 granularity after crushed should be controlled at 8-10mm
3
What prescription that provides according to the present invention and explained hereafter were come out moulds wooden regenerated plates through the pilot scale test, sheet material evenly has waterproof, moistureproof, fire prevention, insulation, sound-absorbing, heat insulation, mothproof good function, the mechanical strength height, good processability, price only is 1/3 of a sheet material of the same type, can be widely used in construction and decoration, furniture make various fields particularly the present invention utilize waste polyethylene to do main raw material, solve a large amount of for a long time polyethylene products and can't recycle the social concern that causes public hazards, can save a large amount of planks again, thereby enforcement of the present invention then can produce great economic benefit and social environment benefit.
Claims (9)
1, a kind ofly mould wooden regenerated plates, it is characterized in that this sheet material is made up of the percentage by weight of following batching:
Regeneration PEF plastics 47-60%,
Wood dust 35-50%,
Modifier 1.5-3%,
Fire retardant 1-3%,
Pigment 0-1%.
2, mould wooden regenerated plates according to claim 1 is said, it is characterized in that modifier is precipitated calcium carbonate, powdered whiting, perlite and glass fibre are with 4: 3: 2: the mixture that 1 weight ratio is formed.
3, mould wooden regenerated plates according to claim 1 is said, it is characterized in that fire retardant adopts Firebrake ZB.
4, a kind of manufacture craft of moulding wooden regenerated plates is characterized in that this technology is realized by following operation:
(a) the plastic reclaimed granulation of waste polyethylene,
(b) press the given raw material proportioning of claim 1 with the polyethylene regenerated plastics, wood dust, fire retardant and modifier are once prepared burden, and evenly mix, and wherein the modifier addition is the 70-80% of specified proportioning,
(c) will mix after once batching add extruder and realize an extrusion process,
The intermediate products 4 that (d) will once squeeze out are sent into crusher in crushing,
(e) second batch is mixed pigment in proportion with the intermediate products after the fragmentation 4 and all the other 20-30% modifier evenly mix,
(f) mixed second batch is sent into extruder and does the secondary extrusion moulding,
(g) sheet material with extrusion modling is processed into final finished through calender, side cut hauling machine, plate shearing machine.
5, mould wooden regenerated plates manufacture craft according to claim 4 is said, it is characterized in that temperature is controlled to be feed zone 100-120 ℃ in extrusion process, compression section 140-170 ℃, 180-200 ℃ of fusing section.
6, mould wooden regenerated plates manufacture craft according to claim 1 is said, it is characterized in that using in the secondary extrusion operation two extruder parallel runnings, a shared extruder head, process conditions are controlled at: feed zone 100-150 °, compression section 180-200 ℃, 210-220 ℃ of fusing section, 230-260 ℃ of plate forming head temperature.
7, mould wooden regenerated plates manufacture craft according to claim 4 is said, it is characterized in that doing calendering from the sheet forming that the secondary extruder is extruded, cut edge, cutting out plate, to adopt the sheet material hauling speed in handling be the 0.03-0.05 meter per second.
8, mould wooden regenerated plates manufacture craft according to claim 4 is said, it is characterized in that the granularity of wood dust should be crossed the above sieve of 40 orders, the recycled plastic granulation degree is 3-5mm
3Between.
9, according to the said wood regeneration material plate manufacture craft of moulding of claim 4, it is characterized in that the intermediate products 4 behind the expressing technique should make grinding particle size be controlled at 8-10mm through disintegrating process
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93120053 CN1103829A (en) | 1993-12-15 | 1993-12-15 | Regenerative board made of plastics and wood and the processing art |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93120053 CN1103829A (en) | 1993-12-15 | 1993-12-15 | Regenerative board made of plastics and wood and the processing art |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1103829A true CN1103829A (en) | 1995-06-21 |
Family
ID=4993152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93120053 Pending CN1103829A (en) | 1993-12-15 | 1993-12-15 | Regenerative board made of plastics and wood and the processing art |
Country Status (1)
| Country | Link |
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| CN (1) | CN1103829A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099943C (en) * | 1999-07-29 | 2003-01-29 | 马召义 | Wood-plastic material |
| CN1128053C (en) * | 2000-11-28 | 2003-11-19 | 韩伟 | Extruding-out process and apparatus for plastics-wood sections |
| CN1320064C (en) * | 2004-07-02 | 2007-06-06 | 袁学发 | Novel materials made of waste plastic and plant fibre and method for making same |
| CN102398369A (en) * | 2011-06-08 | 2012-04-04 | 上海大巨龙蓬盖新材料有限公司 | Preparation method for PVC (polyvinyl chloride) granular coil floor and floor |
| CN102816450A (en) * | 2012-08-14 | 2012-12-12 | 严大春 | Regeneration plate produced by carrying out crushing, mixing and pressing on waste plastics and combustible substances |
| CN103459108A (en) * | 2011-04-05 | 2013-12-18 | Handy技术株式会社 | Process for producing wooden synthetic construction material |
| CN104308947A (en) * | 2014-10-31 | 2015-01-28 | 孔德玲 | Formula of carbonized solid-wood high-density fiber composite board and producing and recycling process |
| CN105315595A (en) * | 2015-11-17 | 2016-02-10 | 陕西理工学院 | Waste plastic recycling method |
-
1993
- 1993-12-15 CN CN 93120053 patent/CN1103829A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099943C (en) * | 1999-07-29 | 2003-01-29 | 马召义 | Wood-plastic material |
| CN1128053C (en) * | 2000-11-28 | 2003-11-19 | 韩伟 | Extruding-out process and apparatus for plastics-wood sections |
| CN1320064C (en) * | 2004-07-02 | 2007-06-06 | 袁学发 | Novel materials made of waste plastic and plant fibre and method for making same |
| CN103459108A (en) * | 2011-04-05 | 2013-12-18 | Handy技术株式会社 | Process for producing wooden synthetic construction material |
| CN103459108B (en) * | 2011-04-05 | 2015-04-15 | Handy技术株式会社 | Process for producing wooden synthetic construction material |
| CN102398369A (en) * | 2011-06-08 | 2012-04-04 | 上海大巨龙蓬盖新材料有限公司 | Preparation method for PVC (polyvinyl chloride) granular coil floor and floor |
| CN102398369B (en) * | 2011-06-08 | 2014-03-19 | 上海大巨龙蓬盖新材料有限公司 | Preparation method for PVC (polyvinyl chloride) granular coil floor and floor |
| CN102816450A (en) * | 2012-08-14 | 2012-12-12 | 严大春 | Regeneration plate produced by carrying out crushing, mixing and pressing on waste plastics and combustible substances |
| CN104308947A (en) * | 2014-10-31 | 2015-01-28 | 孔德玲 | Formula of carbonized solid-wood high-density fiber composite board and producing and recycling process |
| CN105315595A (en) * | 2015-11-17 | 2016-02-10 | 陕西理工学院 | Waste plastic recycling method |
| CN105315595B (en) * | 2015-11-17 | 2017-09-05 | 陕西理工学院 | A kind of recovery method of waste plastics |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |