CN1490479A - Process method for manufacturing elastic floor - Google Patents
Process method for manufacturing elastic floor Download PDFInfo
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- CN1490479A CN1490479A CNA02137421XA CN02137421A CN1490479A CN 1490479 A CN1490479 A CN 1490479A CN A02137421X A CNA02137421X A CN A02137421XA CN 02137421 A CN02137421 A CN 02137421A CN 1490479 A CN1490479 A CN 1490479A
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Abstract
A technology for making the elastic floor board includes such steps as pulverizing the used sulfurized rubber as the island phase, preparing sea phase from new rubber and plastics, respective mixing and kneading, mixing them together, keading, thermal die pressing or injection moulding, boiling in water for deodouring it, and coating a shape-fixing layer.
Description
Technical field
The present invention relates to a kind of utilization and reclaim rubber, plastics, plasthetics material, the method for preparing resilient flooring comprises the material design of resilient flooring elastomer glue stock, property-modifying additive, the shaping of resilient flooring and deodorization processing etc. belong to rubber and plastic glue product technique field.
Background technology
Chinese patent application 02312998.0,02217150.9,02217977.1 has proposed the protruding piece of a kind of back side band double-faced resilient flooring attractive in appearance, but adopts which kind of method to prepare this resilient flooring, applies for a patent not open.The present patent application is with regard to actual demand, exploratory experiment a kind of both practical, the process of the manufacturing resilient flooring of environmental protection again.The experimental result explanation adopts the inventive method to make resilient flooring, can satisfy customer requirements substantially.General user mainly contains the requirement of resilient flooring: 1, durable in use, 2, cheap, 3 have antistatic and conducting function, and 4, odorlessness, 5, " environmental protection ".In order to reach these requirements, traditional treatment method is: 1, strengthen rubber, the content of plastics in prescription; Add reinforcing agents such as carbon black, 2, adopt salvage material, 3, add conductive agent, as 100 parts of rubber or plastics being added conductive carbon black more than 30 parts or acetylene carbon black more than 80 parts or about 40 parts of graphite powders; 4, the class elastic body of need not regenerating is selected scentless auxiliary agent for use, and 5, select " green " material and the manufacturing of " environmental protection " method for use.Yet, prepare this resilient flooring by existing technology, to bring many shortcomings: 1, add carbon black and can make the pollution grows worse of refining during glue, many with rubber, plastics, the material price is risen, 2, adopt salvage material, general scent of all, and the rubber powder poor processability of smell minimum, unsuitable great share uses, 3, conductive carbon black, acetylene carbon black, graphite powder are the very huge powders of stacking volume, it be mixed elastomer glue stock, process is very difficult, and the black dust pollution is serious, 4, price is very high, and 5, supporting application is undesirable.In order to overcome the deficiency of existing preparation resilient flooring technology, the present invention improves the prescription and the preparation technology of elastomeric material by environmental requirement, and the manufacturing resilient flooring process of a kind of cheapness, practicality is provided.
Summary of the invention
The objective of the invention is, elastomeric material is designed to island phase and marine facies, improve blank formulation, the rubber powder of selecting for use heavy dose of waste vulcanized rubber to break into is the island phase in the elastomer glue stock, reduce of the pollution of technologies such as elastomer glue stock is mixing, blank deodorization, thereby the resilient flooring preparation method of a kind of practicality, environmental protection is provided environment.
In the process of the present invention, the material design characteristic is that elastomer glue stock is designed to more island phase (discontinuous phase) and less marine facies (continuous phase).Wherein, the main material of island phase is selected the rubber powder that waste vulcanized rubber breaks into for use; Marine facies are selected the virgin material of new rubber, new plastic, new plastic cement preparation for use.In the preparation, the anti-static function of resilient flooring is given marine facies, prevents in mixing process that promptly antistatic additive from entering the island phase in a large number.Handle like this, the antistatic property of continuous phase can make the monoblock elastomeric material have anti-static function; The island phase volume is occupied the processing difficulties that occurs when too much, process using of the present invention island phase rubber powder particle surface apply earlier tackifying resin or earlier some softening oils of absorption or in the marine facies sizing material some plastic resins that add more improved.Owing to used the waste vulcanized rubber rubber powder to make the island phase in a large number in the inventive method, the residual auxiliary agent in the rubber powder will be vacillated after mixing and be entered marine facies, and elastic body integral body is played a role.So not only save a large amount of high price materials, also opened up the outlet of handling waste vulcanized rubber simultaneously.The inventive method in conjunction with different functions of use and convenient processing, adds fire retardant, vulcanizing agent, stabilizing agent in right amount on the basis that takes into full account island, marine facies material performance, cost is declined to a great extent.According to existing treatment process technology, the inventive method will be saved conductive agent over half.Black dust pollution to environment when material is mixing also greatly alleviates.In the inventive method, the foreign odor flavor because of the waste vulcanized rubber rubber powder brings to blank then adopts the resilient flooring blank is placed the boiling water digestion, changes the tank soaking technology 2 times and is removed through being no less than.Resilient flooring blank after the deodorization is through deburring, and the coating surface decorative layer manufactures the protruding piece of back side band double-faced resilient flooring attractive in appearance.Concrete process is as follows:
The waste vulcanized rubber that island phase material of main part is selected for use still the above tensile strength of 8.0 MPas (MPa) breaks into equals or is narrower than 40 purpose rubber powders, the waste vulcanized rubber rubber powder is the combination of following one or more rubber powders: useless radial rubber powder, useless cross-ply rubber powder, wasted bicycle, motorcycle tyre rubber powder, butyronitrile class vulcanized rubber powder, butylbenzene and suitable class D vulcanized rubber powder, abandoned mine fire retarding conveying band rubber powder etc., its consumption is 100 parts.With the auxiliary material that the island matches be: tackifying resin, softening agent, Sulfur and a spot of filler.The marine facies material of main part is mainly selected new rubber, new plastic, new plastic cement for use.Wherein, new rubber is following one or more general purpose rubber combination: scentless natural rubber, butadiene rubber, butadiene-styrene rubber, acrylonitrile-butadiene rubber, natural emulsion, rubber, oxidized asphalt etc.Plastics are combinations of one or more plastics in high styrene resin, the Corvic etc.Plastic cement is a polyurethane.The auxiliary material that matches with marine facies has: scentless softening agent, reinforcing agent, fire retardant, accelerator, activator etc.The antistatic additive that adds is following one or more combination: conductive carbon black, acetylene carbon black, graphite powder etc.Amount ranges is conductive carbon black 0-10 part, acetylene carbon black 0-25 part, graphite powder 0-16 part respectively.The consumption of the new rubber of the material of main part in the marine facies, plastics, plastic cement sum is in 10-30 part scope.Island in the elastomer precursor gum material formula is 130-220 part with the umber sum of marine facies.Island phase materials and marine facies material generally should mix and stir respectively earlier, kneading, and then island, marine facies mixing kneading.Certainly, do not require that the resilient flooring sizing material of antistatic property can be not limited.Use the sizing material of the inventive method preparation, tensile strength is generally more than 4.0 MPas (Mpa).
Thermo-setting elastomer sizing material floor body formation, the inventive method adopts rubber pattern, platen-press, warm-forming; The thermoplastic elastomer (TPE) body formation then adopts the hot injection molded of plastic mold injection molding machine.Just the resilient flooring blank that is shaped adopts plastic channel soaking technology boiling water to soak deodorization, and digestion produces contains foreign odor flavor spent hot water, after the spray cooling, takes off flavor by active carbon adsorption, reclaims.The resilient flooring finishing coat, adopt " environmental type " shaping material, as: aqueous elastic coating (must not contain azo dyes and chromium class pigment in the painting color material), aqueous adhesive or hot melt adhesive, the leather of non-chromic salts tanning, the artificial leather of AZO dyestuff and regenerated leather, and fabric or the plastic foil of various having " environmental protection mark ".During preparation, with coating, leather, fabric etc. directly in the brushing of resilient flooring blank surface, paste the sticking resilient flooring that promptly can be made into.The inventive method is applicable to preparation nominal thickness 〉=8 millimeter, real thick 〉=3 millimeters, the length of side 〉=200 millimeter, and sheet resistance is 10
2-10
9Ohm/(centimetre)
2The resilient flooring of scope.
The advantage of resilient flooring preparation technology method of the present invention is apparent, and utilize and reclaim rubber, plastics, plasthetics material, the preparation resilient flooring, turning waste into wealth is the direction of protection environment.Also note having reduced pollution at aspects such as apolegamy material and blank deodorizations, and save a large amount of additives in the blank elastic body prescription environment, as: conductive agent, zinc oxide, the sour isoreactivity agent of hard ester, age resistor etc.Resilient flooring preparation method of the present invention is equally applicable to the ordinary elasticity flooring product.The product that adopts resilient flooring preparation method of the present invention to make has antistatic, flame-retardant and many other advantage, is a kind of customer's of meeting requirement, and environmental protection, inexpensive, makes process attractive in appearance, practical resilient flooring.
Description of drawings
Fig. 1 is the process blank deodorization process flow block diagram that the present invention makes resilient flooring.
Among the figure:
1-steam and waste condensate water, 2-deodorization blank, the 3-recycle-water,
4-water row is to boiler, and 5-changes water, and the water after 6-purifies reclaims,
7-boiling water flow direction, 8-waste water takes off flavor, and 9-discharges processing,
The 10-active carbon that " gives up ", the 11-regeneration, the 12-cooling waste water,
13-discharges processing, 14-boiling water digestion, and 15-contains smelly blank,
16-changes the pond digestion, 17-blank logistics direction.
The specific embodiment
Further describe the embodiment of the invention below.
Embodiment 1
A, elastic body prescription:
Title material: island (part) marine facies prescriptions (part) elastomer glue stock always fill a prescription (part) of filling a prescription mutually
About 50%, 60 order of gum content
Useless radial rubber powder 100 100
Natural rubber (GB 1#) 4.5 4.5
Butadiene rubber 4.5 4.5
Butadiene-styrene rubber 6.0 6.0
High-phenylethylene 15.0 15.0
Conductive carbon black 4.5 4.5
Acetylene carbon black 12.0 12.0
Graphite powder 6.0 6.0
Chlorinated paraffin wax (chloride 70%) 4 20 24
Antimony oxide 88
TKO tackifying resin 33
Sulfur 1.63 1.63
Zinc oxide 0.5 0.5
Altax 0.9 0.9
Accelerant CZ 0.9 0.9
Potter's clay 20 20
Precipitated calcium carbonate 8.57 8.57
Add up to (part) 128.63 91.37 220
Wherein: TKO is to the tert-octyl phenol formaldehyde resin; Accelerant CZ is a N cyclohexyl 2 benzothiazole sulfenamide; Altax is a dibenzothiazyl disulfide; New rubber, new plastic, new plastic cement sum are 30 parts, and rubber, plastics, plastic cement sum are 80 parts.
B, refining glue: place the island phase materials high speed kneader to mix, be incubated and emit stand-byly after 5 minutes, but rubber powder is seriously plastified to material temperature more than 80 ℃.
The marine facies material place the banbury kneading to do not have also emit behind the powders such as carbon black stand-by.
Island and marine facies material are mixed kneading by 128.63 with 91.37 ratio in mill, refine to sizing material in flakes after, it is standby to go out thick film for 5-6mm.
C, shaping: with vulcanizing press, rubber pattern, under 160 ℃ of conditions, molded vulcanization can obtain profile such as Chinese patent application 02312998.0 described resilient flooring blank in 5 minutes.
D, blank deodorization: blank soaked 1 hour in each boiling water groove, and adverse current is changed groove 3 times, took out then to drench to do to reach from the boiling water groove to remove little smelly effect.Deodorization process flow block diagram: 1-steam and waste condensate water, 2-deodorization blank, 3-recycle-water, 4-water row is to boiler, and 5-changes water, and the water after 6-purifies reclaims, 7-boiling water flow direction, 8-waste water takes off flavor, and 9-discharges processing, the 10-active carbon that " gives up ", 11-regeneration, 12-cooling waste water, 13-discharges processing, 14-boiling water digestion, and 15-contains smelly blank, 16-changes the pond digestion, 17-blank logistics direction.
E, surface finish: the resilient flooring blank surface brushing elastic polyurethane latex paint after handling through deodorization, deburring, hung under the room temperature about 2 hours, it is attractive in appearance to obtain a kind of surface color and polish, the split type resilient flooring that feel is comfortable.
Present embodiment resilient flooring properties of rubber is: tensile strength 4.0 MPas (MPa), elongation rate 100%, (Shao Shi A) hardness 90, sheet resistance 10
3Ohm/(centimetre)
2, fire-retardant, after lighting, can put out certainly sizing material.
Embodiment 2
A, elastic body prescription:
Title material: island (part) marine facies prescriptions (part) elastomer glue stock always fill a prescription (part) of filling a prescription mutually
About 40% butylbenzene of gum content and
Suitable class D vulcanized rubber powder (as
The side crops of transparent sole etc.) 40 40
Gum content about 45% gives up voluntarily
Car motorcycle tyre rubber powder 60 60
Natural rubber (GB 1#) 44
Acrylonitrile-butadiene rubber (N41/23OS) 10 10
Polyvinyl chloride (paste resin) 5.4 5.4
High-phenylethylene 4.6 4.6
Acetylene carbon black 88
Sulfur 1.1 1.1
Altax 1.4 1.4
Chlorinated paraffin wax 4 14 18
Antimony oxide 6.5 6.5
(RX-80) tackifying resin 5.5 5.5
Add up to (part) 110.6 53.9 164.5
Wherein: the RX-80 resin is an xylene resin; New rubber, new plastic, new plastic cement sum are 24 parts, and rubber, plastics, plastic cement sum are 67 parts.
B, refining glue: the island phase materials is placed in the mill with zero roll spacing, and refining is to having blanking in flakes stand-by slightly; By reinforced program, the marine facies material is also placed mill, make natural rubber and high-phenylethylene mixing, acrylonitrile-butadiene rubber and polyvinyl chloride are mixing, two groups are mixed mutually then, add the island phase materials mixed etc. again, kneading is mutually mixing with the island again to not having behind the powder such as carbon black, and the film that goes out the 5-7 millimeter after evenly is standby.
C, shaping: with vulcanizing press, rubber pattern, under 160 ℃ of conditions, molded vulcanization 7 minutes, shaping present embodiment resilient flooring blank.
D, blank deodorization: blank deodorization handling process is with embodiment 1, and wherein, adverse current is changed groove 2 times, and each boiling water drill traverse 2 hours is taken out to drench from the boiling water groove then and done, and removes little smelly.
E, surface finish: the resilient flooring blank after deodorization, deburring are handled, external coating aqueous adhesive (as neoprene latex adhesive) is pasted the artificial leather of going up thick 0.5-0.8 millimeter then, makes present embodiment split type resilient flooring.
Present embodiment resilient flooring properties of rubber is: tensile strength 5.5 MPas (Mpa), hardness are (Shao Shi A) 75, elongation rate 150%, sheet resistance 10
5Ohm/(centimetre)
2, fire-retardant, can put out certainly after lighting.
Embodiment 3
A, elastic body prescription:
Title material: island (part) marine facies prescriptions (part) elastomer glue stock always fill a prescription (part) of filling a prescription mutually
Useless cross-ply rubber powder (40 order) 30 30
Useless (mining resistance alkene) conveyer belt rubber
Powder (60 order) 70 70
Acrylonitrile-butadiene rubber 33
Polyvinyl chloride 66
Polyurethane 11
Antimony oxide 22
Rosin 4
Barium stearate 0.5 0.5
Tricresyl phosphate 527
Accelerant CZ 11
Sulfur 1.5
Graphite powder 1.5 1.5
Conductive carbon black 2.5 2.5
Add up to (part) 110.5 19.5 130
Wherein: new rubber, new plastic, new plastic cement sum are 10 parts, and rubber, plastics, plastic cement sum are 60 parts.
B, refining glue: place the high speed kneader to stir plasticizing with rosin, tricresyl phosphate, the metered batching of Sulfur 40 purpose cross-ply rubber powders earlier, as the Mooney viscosity (ML of material
100 ℃ 1+4) reduce to below 50 after, 60 purposes (mining flame-retardant) conveyer belt rubber powder is also poured in the high speed kneader together by variable stirred again, the back discharging cooling that stirs is standby.Wherein, the tire glue powder of pouring into is in advance seriously plastified, again postmenstruation mixing, major part is converted into marine facies.
The marine facies material is placed mill, and kneading is not to there being powder, and is mixing with island stirring standby material mutually again, and refining to even back blanking becomes the film of thick 6-8 millimeter standby.
C, shaping: with vulcanizing press, rubber pattern, under 170 ℃ of conditions, molded vulcanization was prepared into resilient flooring (coiled material) blank in 8 minutes.
D, blank deodorization: blank deodorization handling process is with embodiment 1, and wherein, adverse current is changed groove 3 times, and each boiling water drill traverse 1.5 hours is taken out to drench from the boiling water groove then and done, and removes little smelly.
E, surface finish: resilient flooring (coiled material) blank after deodorization (mechanical rotary-cut) deburring is handled, the elastic polyurethane latex paint is gone up in the surface spraying, dries by the fire under 100 ℃ hot blast and blows about 20 seconds, makes present embodiment resilient flooring coiled material.The coiled material properties of rubber is: tensile strength is 5.2 MPas (Mpa), and hardness is (Shao Shi A) 70, elongation rate 200%, sheet resistance＜10
9Ohm/(centimetre)
2, fire-retardant, can put out certainly after lighting.And but the repetitive coatings elastic emulsion paint uses.
Claims (6)
1, a kind of process of making resilient flooring, comprise that flooring material is designed to elastomer glue stock, property-modifying additive and the deodorization of island phase (discontinuous phase) and marine facies (continuous phase), setting layer is modified in coating, it is characterized in that, in the elastomer glue stock, the vulcanized rubber rubber powder that island phase (discontinuous phase) material breaks into for pulverizing recovery scrap rubber, plastics, plasthetics; Marine facies (continuous phase) material is the virgin material of new rubber, plastics, plastic cement preparation, and the island in the elastomer precursor gum material formula is 130-220 part with the umber sum of marine facies,
Manufacturing process is as follows:
A, will still have the waste vulcanized rubber of the above tensile strength of 8.0 MPas (MPa) to break into to equal or be narrower than 40 purpose vulcanized rubber rubber powders to do the island phase material, 100 parts of consumptions;
The auxiliary material that b, preparation and island match: tackifying resin, softening agent, Sulfur and filler;
C, preparation marine facies material of main part: new rubber, new plastic, new plastic cement; New rubber, new plastic, new plastic cement consumption sum are 10-30 part;
The auxiliary material that d, preparation and marine facies match: odorlessness softening agent, reinforcing agent, fire retardant, accelerator, activator etc.;
E, interpolation antistatic additive: conductive carbon black, acetylene carbon black, graphite powder etc., amount ranges is conductive carbon black 0-10 part, acetylene carbon black 0-25 part, graphite powder 0-16 part respectively;
F, with island phase materials and marine facies material mix and stir respectively, kneading, then island, the kneading of marine facies mixing of materials, the sizing material that preparation tensile strength 4.0 MPas (Mpa) are above;
G, use rubber pattern, platen-press, hot moulding vulcanization forming thermo-setting elastomer sizing material floor base substrate, or with the hot injection molded thermoplastic elastomer (TPE) of plastic mold injection molding machine base substrate;
H, employing are no less than 2 times and change water boiling water immersion plastic channel soaking technology, to the resilient flooring blank deodorization of firm shaping, and foreign odor flavor spent hot water, active carbon adsorption is taken off flavor after the spray cooling, recovery;
Base substrate is handled in i, mechanical rotary-cut deburring, and applies or paste and glue with " environmental type " material, typing, modified elasticity floor surface.
2, the process of manufacturing resilient flooring according to claim 1, it is characterized in that equaling or being narrower than the sulfuration of 40 purposes is the combination of following one or more rubber powders as rubber powder: useless radial rubber powder, useless cross-ply rubber powder, wasted bicycle, motorcycle tyre rubber powder, butyronitrile class vulcanized rubber powder, butylbenzene and suitable class D vulcanized rubber powder, abandoned mine fire retarding conveying band rubber powder etc.;
New rubber is following one or more general purpose rubber combination: scentless natural rubber, butadiene rubber, butadiene-styrene rubber, acrylonitrile-butadiene rubber, natural emulsion, rubber, oxidized asphalt etc.;
Plastics are combinations of one or more plastics in high styrene resin, the Corvic etc.;
Plastic cement is a polyurethane.
3, the process of manufacturing resilient flooring according to claim 1 and 2 is characterized in that, vulcanize mutually as glue rubber powder particle surface on heavy dose of island can apply tackifying resin or elder generation's absorption softening oil earlier.
4, the process of manufacturing resilient flooring according to claim 1, it is characterized in that, low dose of conductive carbon black in the continuous phase marine facies, acetylene carbon black, graphite powder antistatic additive are 130-220 part in the elastomeric material formulation total amount, rubber, plastics, plastic cement sum are under 60-80 part condition, the consumption of conductive carbon black is 1-10 part, the consumption of acetylene carbon black is 0-25 part, and the graphite powder consumption is 0-16 part.
5, the process of manufacturing resilient flooring according to claim 1, it is characterized in that, the shaping material of " environmental type " is: aqueous elastic coating (must not contain azo dyes and chromium class pigment in the painting color material), aqueous adhesive or hot melt adhesive, the leather of non-chromic salts tanning, the artificial leather of AZO dyestuff and regenerated leather, and fabric or plastic foil that " environmental protection mark " arranged.
6, the process of manufacturing resilient flooring according to claim 1 is characterized in that, resilient flooring nominal thickness 〉=8 millimeter, real thick 〉=3 millimeters, the length of side 〉=200 millimeter, and sheet resistance is 10
2-10
9Ohm/(centimetre)
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02137421XA CN100344843C (en) | 2002-10-15 | 2002-10-15 | Process method for manufacturing elastic floor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02137421XA CN100344843C (en) | 2002-10-15 | 2002-10-15 | Process method for manufacturing elastic floor |
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|---|---|
| CN1490479A true CN1490479A (en) | 2004-04-21 |
| CN100344843C CN100344843C (en) | 2007-10-24 |
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| WO2001014464A1 (en) * | 1999-08-23 | 2001-03-01 | Liu, Guixing | Thermoplastic elastomer produced from waste rubber powder/plastic and the article made therefrom |
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| Publication number | Publication date |
|---|---|
| CN100344843C (en) | 2007-10-24 |
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