CN103160047A - Formula and process for biomass polymer composite board - Google Patents
Formula and process for biomass polymer composite board Download PDFInfo
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- CN103160047A CN103160047A CN2011104210880A CN201110421088A CN103160047A CN 103160047 A CN103160047 A CN 103160047A CN 2011104210880 A CN2011104210880 A CN 2011104210880A CN 201110421088 A CN201110421088 A CN 201110421088A CN 103160047 A CN103160047 A CN 103160047A
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Abstract
The invention provides a formula and a process for a biomass polymer composite board. The formula comprises, by mass, 15.0 to 25.0 parts of wood powder, 83 to 112 parts of PVC, 18.0 to 28.0 parts of CaCO3, 2.1 to 3.5 parts of a stabilizing agent, 5.5 to 8.5 parts of DL530, 0.3 to 0.6 part of Ac, 0.5 to 0.8 part of paraffin and 0.3 to 0.5 part of an internal lubricant 60. The process provided by the invention comprises the following steps: batch mixing; co-extrusion; surface treatment; and cutting. A core scheme in the invention lies in that the selected polymer components in an optimal ratio can be perfectly fused into the polymer composite board through co-extrusion by common equipment.
Description
Technical field
The present invention relates to the dalle prescription, particularly a kind of biomass Macromolecular composite plate formula and technique.
Background technology
The Traditional Wood floor selects high-quality timber as raw material, causes the felling of high-quality timber serious, and environment is damaged, and also has in addition following shortcoming: the one, and because timber regeneration is slow, causing is that price is higher; The 2nd, if timber stoving is uneven, very easily drying shrinkage is wet rises, buckling deformation; The 3rd, wear resistance is slightly poor, and is perishable, will prevent dust and sand wearing and tearing floors in use; The 4th, install and to raise complexity, to do rough ground before installing, want time-based maintenance and maintenance in use, beat once curedly in general one month, be further noted that at ordinary times and clean at any time wiping, and attention regulates indoor humidity at any time, avoid ftractureing because of the humidity variation.
Developed into afterwards solid wooden compound floor, even if solid wooden compound floor is also very popular in Europe, had the following advantages:
Wear-resisting: as to be about common more than 10～30 times of floor of paint decorations.
Attractive in appearance: available computer analog goes out various wood grains and pattern, color.
Stable: as thoroughly to have broken up the tissue of original timber, destroyed the characteristic of anisotropy and moisture expansion and drying shrinkage, the size stabilizer pole.
but compoiste wood floor needs to use technical grade benzene in adhesion process, formaldehyde, latex etc., because purity is low, also attached a large amount of derivatives, as polymer phenol, ester etc., these are all Health Killers, the people is in for a long time this environment and understands carcinogenic and other pathologies, the adhesive composition of above-mentioned high-environmental is used in all enterprises of Europe, we are difficult to grasp these technology, cause so domestic composite floor board of poor quality, environmental-protecting performance is up to state standards reluctantly, and CNS is difficult to and developed country's standard is corresponding, floor enterprise is because environmental protection standard is difficult to export to the developed countries such as American-European.
Summary of the invention
The invention provides a kind of biomass Macromolecular composite plate formula and technique, reaching optimum optimization prescription scheme through after reasonable combination, can make the polymer composite board of producing under this assembled scheme not only satisfy normal need, and environmental protection, water-fast, flexible.
Combination formula of the present invention is selected as follows according to the quality proportioning:
Wood powder: 15.0-25.0 part;
PVC:83-112 part;
CaCO3:18.0-28.0 part;
Stablizer: 2.1-3.5 part;
DL530:5.5-8.5 part;
Ac:0.3-0.6 part;
Paraffin: 0.5-0.8 part;
Interior lubricated 60:0.3-0.5 part.
Wood powder: common wood powder;
PVC: a kind of vinyl polymerization material, its material are a kind of amorphism materials.
CaCO3: calcium carbonate is a kind of mineral compound, is the main component of lime rock (abbreviation Wingdale) and calcite.
Stablizer: pure polyvinyl chloride resin to thermoae be responsive, when Heating temperature reached more than 90 ℃, slight pyrolysis will occur, decomposition reaction aggravation after temperature is raised to 120 ℃, at 150 ℃, 10 minutes, polyvinyl chloride resin was just progressively become yellow-red-brown-black by original white.The polyvinyl chloride resin decomposition course is a series of chain reactions that cause owing to taking off the HCL reaction, causes at last the macromolecular chain fracture.The thermally-stabilised mechanism that prevents the PVC thermolysis realizes by following several respects.The HCl that produces by catching the PVC thermolysis prevents the catalyzed degradation effect of HCl.Lead salts also has metal soap, organic tin, phosphorous acid lipid and epoxies etc. in addition mainly by this mechanism.Replace active chlorallylene atom.Metal soap, phosphorous acid lipid and organic tin can be by this mechanisms.With free radical reaction, stop the reaction of free radical.Organic tin and phosphite are by this mechanism.With the conjugated double bond addition, suppress the growth of conjugated chain.Organic tin and epoxies are by this mechanism.Decompose hydroperoxide, the number of minimizing free radical.Organotin and phosphite are by this mechanism.Passivation has catalysis to take off the metal ion of HCl effect.The same stablizer can be realized thermally-stabilised purpose by several different mechanism.
DL530: be a conditioning agent, play regulating effect.
Ac: trace element.
Paraffin: industrial high-quality paraffin.
Interior lubricated 60: industrial lubrication is used.
---co-extrusion---surface treatment---cutting of the following processing step of employing of the present invention: batch mixing.
Core scheme of the present invention is to rely on after selected polymer prescription is according to described optimization proportioning a kind of Macromolecular composite plate that is fused into that the common equipment co-extrusion can be splendid.
Why the present invention reaches splendid product effect is the optimization of filling a prescription and the details of technique, and processing step of the present invention equipment used is industrial equipments commonly used, and the professional is known together by the industry.
Beneficial effect of the present invention is: not only prescription polymer sheet material is out used and the floor, the sheet material raw material that furniture is made etc., and also water resistance is superior, and environmental protection meets European standard.
Soak test: the sheet material sample floods fully in tap water and soaks 24 as a child without distortion, dries rear nothing distortion without variable color, and sheet material sample pressure is constant;
The sheet material sample floods fully in tap water and soaks 48 as a child without distortion, dries rear nothing distortion, and slight variable color is arranged; Sheet material sample pressure is constant.
Hold yielding principle explanation about conventional composite sheet material:
Multi-layer solid wood composite floor is take multiplying plywood as base material, the composite floor board that the surface label wood peel is made.The raw material type of base material and complete processing can cause the flexural deformation of flooring product.Cause that deformation factor can be summarized as follows:
1, the impact of raw material
The raw material of base material (veneer) is used the same seeds, and the coefficient of shrinkage of timber is close, and base material is not yielding.Sometimes adopt weedtree, especially the density of timber is different, and the timber mixing assembly that the coefficient of shrinkage is different forms asymmetric stress in the central core both sides of base material, causes floor base material bending or torsional deformation.Therefore, if select weedtree as the raw material of floor base material, should select the proportion seeds close with wood property of timber as far as possible.Symmetrical layers in the central core both sides of base material is selected same seeds as far as possible.If conditions permit, manufacturing enterprise can carry out sorting by seeds and wood property to the outsourcing raw material.
2, the impact of Veneer moisture
In the situation that the porous media of veneer is larger, for example, in same Zhang Jicai slab, some Veneer moistures are 7%, and some Veneer moistures are 14%, after gluing, hot pressing, the porous media at each position of finished product backing material plate is inhomogeneous, although backing material plate has been just smooth from press out the time, when the water ratio rebalancing, will produce bending and torsional deformation.If in slab, the individual areas water ratio is too high, also can produce demixing phenomenon.So, should control the water ratio of veneer in the scope of processing requirement as far as possible.The veneer gluing is wanted evenly can pass through the proper extension digestion time, makes the water ratio of front each layer of slab of hot pressing and each point obtain balance.
3, backing material plate inner folded (overlapping) is from the impact of (gap)
The folded defection of backing material plate inside makes sheet material produce stress, and the impact that this stress produces on whole backing material plate is not fairly obvious, when the backing material plate sawing is become floor strip, foldedly can cause floor strip to produce distortion from producing stress point.If when serious lamination occurring within three layers of surface, the paint-drenching floor of making is in the process of using, at the high-visible smooth rib in lamination place (surface layer of 0.6mm thickness).Therefore, must splice by the centering plate, make whole change of middle plate, reduce and avoid middle plate folded from.
4, the impact of the degree of tightness face of veneer
Veneer the degree of tightness face can occur in the rotary-cut process, we are called loose side near cutter one side, a lot of slight cracks, and another side is called tight face.For same veneer, tight face is the cylindrical by timber, and loose side is the center of circle one side by timber.The stress that produces when tight surface expansion and drying shrinkage is greater than loose side.Outside should keeping tightly facing, and form symmetry in the central core both sides of base material when assembly.
5, the impact of sapwood and heartwood
The sapwood of timber and the drying shrinkage of heartwood and expansion exist difference.When assembly, should try one's best sapwood and heartwood are mixed assembly.Prevent the central core both sides at base material, a side is that sapwood one side is the phenomenon appearance of heartwood.
6, the impact of musculus cutaneus thickness
0.6mm musculus cutaneus little for the Bending Influence on floor, musculus cutaneus is thicker, the feature of solid wooden floor board is more obvious.Especially the musculus cutaneus of 3～4mm, the water ratio of musculus cutaneus be the bending of plate maximum that exerts an influence over the ground.For example, after floor surfacing, the water ratio of substrate is 10%, and the water ratio of surface layer is 10%, and the equilibrium moisture content of environment is also 10%, and the floor must be smooth.When the equilibrium moisture content of environment was 1496, the floor must absorb moisture and produce expand, the large and base material of the swell increment of plate face, and the floor is bent downwardly.Otherwise be bent upwards.Therefore, when producing the multi-layer solid wood composite floor of pachydermia, not only will keep base material smooth, but also will guarantee that the water ratio of floor base material and surface layer coordinates mutually, the atmospheric moisture in strict production control workshop is in rational scope.From controlling the ground bending of plate, produce the multi-layer solid wood composite floor employing of pachydermia and cold pressing better than hot pressing.In addition, the part internal stress balance for some time in the balance chamber, can be eliminated in the floor before fluting and leaching paint.
7, the impact of external environment on finished product
Because the floor covering paint film is thicker, moisture is difficult for from the surface turnover, and the paint at the back side, floor is less, does not form continuous film, and moisture easily passes in and out from the back side, floor.The floor is smooth when casing, if tr is damaged in transportation, damp atmosphere is scurried into, the back side, the floor moisture absorption, and after unpacking, the floor is crooked to plate face direction.
In addition, many users install at once, too select aberration, if the equilibrium moisture content of environment is higher than the water ratio on floor, the back side, the floor moisture absorption is crooked to plate face direction, if the equilibrium moisture content of environment lower than the water ratio on floor, dry out and be bent downwardly in the back side, floor.This variation is not quality problems.Therefore, the floor should be installed after unpacking at once.
Reference: " Forest Industry in China committee member expert of association document " author: Wang Jun
Description of drawings
Fig. 1 is processing step skeleton diagram of the present invention.
Embodiment
Embodiment 5. wood powders: 24.0 parts, PVC:111.0 part, CaCO
3: 26.0 parts, stablizer: 23.2 parts, DL530:7.8 part, Ac:0.5 part, paraffin: 0.7 part, interior lubricated 60:0.5 part, batch mixing (1)---co-extrusion (2)---surface treatment (3)---cutting become a useful person (4).
Claims (3)
1. a biomass Macromolecular composite plate is filled a prescription and technique, it is characterized in that, combination formula is selected according to the quality proportioning and is: wood powder 15.0-25.0 part, PVC 83-112 part, CaCO318.0-28.0 part, stablizer 2.1-3.5 part, DL530 5.5-8.5 part, Ac 0.3-0.6 part, paraffin 0.5-0.8 part, interior lubricated 60 0.3-0.5 parts.
2. biomass Macromolecular composite plate formula according to claim 1 and technique, is characterized in that,---co-extrusion---surface treatment---cutting that processing step of the present invention is: batch mixing.
3. biomass Macromolecular composite plate according to claim 1 is filled a prescription and technique, it is characterized in that, core scheme of the present invention is to rely on after selected polymer prescription is according to described optimization proportioning a kind of Macromolecular composite plate that is fused into that the common equipment co-extrusion can be splendid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011104210880A CN103160047A (en) | 2011-12-16 | 2011-12-16 | Formula and process for biomass polymer composite board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104210880A CN103160047A (en) | 2011-12-16 | 2011-12-16 | Formula and process for biomass polymer composite board |
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| CN103160047A true CN103160047A (en) | 2013-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116117952A (en) * | 2017-12-29 | 2023-05-16 | Ahf有限责任公司 | Method for forming a flooring assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081540A (en) * | 2006-06-02 | 2007-12-05 | 上海奔奔门业有限公司 | Wide wood-plastic foaming doors, plate material and its making method |
| CN101372545A (en) * | 2007-08-23 | 2009-02-25 | 青岛同飞管业有限公司 | Novel wood-plastic floor and production method thereof |
| CN101654536A (en) * | 2008-08-20 | 2010-02-24 | 北京清大华研科技发展有限公司 | Method for producing nano plastic-wood composite section |
| CN101942158A (en) * | 2010-09-09 | 2011-01-12 | 鞍山大地建材科技发展有限公司 | Wood/plastic building template |
-
2011
- 2011-12-16 CN CN2011104210880A patent/CN103160047A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101081540A (en) * | 2006-06-02 | 2007-12-05 | 上海奔奔门业有限公司 | Wide wood-plastic foaming doors, plate material and its making method |
| CN101372545A (en) * | 2007-08-23 | 2009-02-25 | 青岛同飞管业有限公司 | Novel wood-plastic floor and production method thereof |
| CN101654536A (en) * | 2008-08-20 | 2010-02-24 | 北京清大华研科技发展有限公司 | Method for producing nano plastic-wood composite section |
| CN101942158A (en) * | 2010-09-09 | 2011-01-12 | 鞍山大地建材科技发展有限公司 | Wood/plastic building template |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116117952A (en) * | 2017-12-29 | 2023-05-16 | Ahf有限责任公司 | Method for forming a flooring assembly |
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Application publication date: 20130619 |