CN101285272B - Production method for invisible and flexible PVC composite canopy material - Google Patents
Production method for invisible and flexible PVC composite canopy material Download PDFInfo
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- CN101285272B CN101285272B CN2008100241271A CN200810024127A CN101285272B CN 101285272 B CN101285272 B CN 101285272B CN 2008100241271 A CN2008100241271 A CN 2008100241271A CN 200810024127 A CN200810024127 A CN 200810024127A CN 101285272 B CN101285272 B CN 101285272B
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Abstract
The invention provides a method for producing an invisible and flexible PVC composite roofing material, relating to a technique for producing the PVC composite roofing material. The method comprises the following steps that: two surfaces of a lanon foundation are coated with glue firstly; secondly, the glue is pre-solidified on the foundation; thirdly, resin, plasticizer, a sizing agent, an addition agent, a modifying agent and a stabilizing agent are put into a high-speed kneader in sequence and are kneaded to form a fluffy material; the kneaded fluffy material is plasticized into the peptization state and is rolled to form a PVC membrane; the two surfaces of the foundation coated with glue are respectively stuck with a PVC membrane, the compound is rolled, sized, cooled and reeled. The roofing material produced by the technique has the characteristics of vegetation infrared reflectance spectroscopy, anti-infrared invisibility, flexibility, high intensity and weather resistance.
Description
Technical field
The present invention relates to a kind of production technology of PVC composite canopy material, particularly the production technical field of functional PVC composite canopy material.
Background technology
Flexible PVC composite canopy material can be widely used in large-scale stadium, public's amusement and recreation square, field such as shopping center and automobile-used, peculiar to vessel, goods stacking.Through nearly 60 years development, with polyvinyl chloride (PVC), thermoplastic elastomer (TPE) (TPU EVATPE), polytetrafluoroethylene (PTFE)s etc. are day by day ripe for the producing high-molecular chemical product of representative, add the progress of composite technology, make performance of composites, obtain to develop rapidly and improve as intensity, life-span, fire prevention, aspect such as anti-aging, cold-resistant, weather-proof.At present domestic common flexible PVC composite canopy material thickness commonly used is in the performance indications of 0.6mm, fracture strength be 1850N/5cm * 2150N/5cm, tearing strength index at 280N * 180N, resist cold between-15 ℃～-20 ℃, lack service life (about 5 years).With regard to flexible PVC composite canopy material, the product responsive relatively to temperature, when being heated for a long time, it is aging that thermal degradation will take place, and directly influences the service life of product, and do not have properties of infrared reflection substantially.Therefore, along with the continuous development of national economy, the needs of national defense construction, improve the fracture strength, tearing strength of flexible PVC composite canopy material, index such as cold-resistant, weather-proof, and have the infrared external reflection function, increase the service life, expanding the scope of application, is the needs in market.
Summary of the invention
The object of the invention is to invent a kind of production method with properties of infrared reflection, flexibility, high-strength, weather-proof PVC composite canopy material.
The present invention includes following steps:
1) in the respectively gluing of two sides that with the polyester fiber is base cloth, then with glue precuring on base cloth;
2) resin, plasticizer, slurry, auxiliary agent, modifier and stabilizing agent are dropped in the high speed kneader successively mediate, form the puffy material; Wherein, described slurry is mainly mixed and is formed by dispersant, plasticizer, macromolecule reflecting material; Described macromolecule reflecting material is the macromolecule reflecting material that is combined with nano titanium dioxide crystal by metal oxide;
3) kneaded puffy material plasticizing is become glue-dissolving shape, calendering forms the PVC film then;
4) at the PVC film of fitting respectively through the base cloth two sides of step 1), cooling after the pressure roller typing, rolling again; Wherein, roller temperature is 160 ℃～180 ℃.
Common canopy material is linearly about 11% to the reflectivity of infrared light 700nm～1000nm, and infrared reflectivity is reached vegetation infrared light reflection spectrum by the canopy material of explained hereafter of the present invention, different spectral reflectivities are in rising trend, 700nm wavelength reflectivity reaches 10～20%, the 800nm wavelength reaches 40～52%, 900～1000nm wavelength reaches 40～55%, so this product has anti-infrared stealth, weather-proof good performance.
Have vegetation Infrared Reflective Spectra, anti-infrared stealth, flexibility, high-strength, weather-proof characteristic through the canopy material of above explained hereafter.More existing military canopy material possesses higher tensile strength and tearing strength, and most importantly better weather resistance has the anti-infrared hidden function.In civilian; because low, the fugitive color of common canopy material intensity, service life is short, weatherability is poor; product of the present invention has overcome above-mentioned defective preferably; extended to 20 year by original 5 years service life; this material of Peng Gai replacement cycle can be prolonged greatly; thereby the reduction customer using cost improves resource utilization, the protection environment.
On base cloth, gluing speed is 30 ± 2m/min in the step 1) of the present invention for the ease of the attached work of follow-up each material, and the temperature of precuring is 120 ℃～130 ℃.
In the step 3) of the present invention for the first time plasticization temperature be 155 ℃～160 ℃, plasticization temperature is 160 ℃～165 ℃ for the second time, plasticization temperature is 165 ℃～170 ℃ for the third time.After three plasticizings, form glue-like substance, be beneficial to the processing of road, back calendering procedure.
Roll through four rollers in the step 4) of the present invention, the surface temperature of first roller is 160 ℃～170 ℃, the surface temperature of second roller is 165 ℃～175 ℃, and the surface temperature of the 3rd roller is 168 ℃～178 ℃, and the surface temperature of the 4th roller is 160 ℃～170 ℃.With four calenderings, progressively form thin type PVC product.
The pressure roller pressure of finalizing the design in the step 5) of the present invention is 3 ± 0.1kg/cm
2, to ensure compound success.
When making macromolecule reflecting material and PVC and auxiliary agent blend, do not have caking, separate out phenomenon and produce, intermiscibility will be got well, and the mass ratio of dispersant, plasticizer, macromolecule reflecting material is 0.01～0.015 in the slurry of the present invention: 1: 1～2.
In addition, slurry fineness of the present invention is not more than 75 μ m.Purpose is: better be dispersed among the PVC, slurry is disperseed uniformly, prevent color dot, color spot.
Simultaneously, do not have caking when further ensureing blend, separate out the phenomenon appearance, the mass ratio of resin of the present invention, plasticizer, slurry, auxiliary agent, modifier and stabilizing agent is 100: 60～70: 5～8: 4.5～5.5: 24～26: 2～3.
Stabilizing agent of the present invention is at least a in calcium-zinc composite stabilizing agent or organotin or disalt or three salt.
Plasticizer of the present invention is at least a in O-phthalic acids or the acetyl tributyl citrate class.
The specific embodiment
One, main production equipments
Coating machine, high speed kneader, textile finishing machine, omnipotent mixer, three-roll grinder, mill, inverted L shape four-roll calender, knurling rolls.
Two, raw material type selecting and prescription design:
1, selecting for use of fabricbase: the polyester fiber woven cloths of high-strength, highly dense low extension.
2, the preparation of slurry:
With 0.01～0.015: 1: 1～2 weight ratio takes by weighing dispersant, plasticizer, macromolecule reflecting material respectively.
Available dispersant: sulfonate type, polymeric ammonium salt, carboxylic acid type.
Available plasticizer: at least a in O-phthalic acids or the acetyl tributyl citrate class.ATBC (the positive tributyl of acetyl tributyl citrate), TBC (the positive tributyl of citric acid), DOP (o-phthalic acid dibutyl ester), DOS (decanedioic acid dibutyl ester).
The preparation of macromolecule reflecting material: the macromolecule reflecting material is the bond by metal oxide and nano titanium dioxide crystal.The optional autoxidation chromium of metal oxide, bismuth oxide, iron oxide etc.
Also pigment can be added in the slurry.
Dispersant, plasticizer, macromolecule reflecting material and pigment are dropped into omnipotent mixer, after fully mixing after filtration or sieve handle after, in three-roll grinder, carry out three rollers and grind, take standard fineness plate and measure the slurry of fineness value below 75 μ m, standby.
3, the preparation of resin: PVC three type resins.
4, the preparation of plasticizer: available plasticizer has: at least a in O-phthalic acids or the acetyl tributyl citrate class.ATBC (the positive tributyl of acetyl tributyl citrate), TBC (the positive tributyl of citric acid), DOP (o-phthalic acid dibutyl ester), DOS (decanedioic acid dibutyl ester).
5, the preparation of auxiliary agent: available auxiliary agent: antioxidant 264 (2.6-di-tert-butyl-4-methy phenol), antioxidant 1010 (four seasons Doutrate), epoxidized soybean oil, triphenyl phosphite.
6, the preparation of modifier: nanometer CaCO
3(calcium carbonate), EVA (ethene---acetate ethylene copolymer).
7, the preparation of stabilizing agent: at least a in calcium-zinc composite stabilizing agent or organotin or disalt or three salt.
Three, production technology:
(1) base cloth is prepared: through the clot of textile finishing machine, positive and negative is handled through the coating machine gluing, with glue precuring on base cloth.The oven temperature of noting coating machine is controlled at 120 ℃～130 ℃, the speed of a motor vehicle 30 ± 2m/min.
(2) resin, plasticizer, slurry, auxiliary agent, modifier and stabilizing agent are dropped in the high speed kneader successively mediate, to be puffy be good to material when mediating discharging.
Wherein, the mass ratio of resin, plasticizer, slurry, auxiliary agent, modifier and stabilizing agent is 100: 60～70: 5～8: 4.5～5.5: 24～26: 2～3.
Temperature was controlled at 90 ℃～100 ℃ when heat was mixed; Cold when mixed temperature be controlled at 30 ℃～40 ℃.The purpose that heat is mixed: PVC and various auxiliary agent fully mix; Cold mixed purpose: evenly disperse.
(3) in mill, kneaded puffy material plasticizing is become glue-dissolving shape:
155 ℃～160 ℃ of plasticization temperatures, 160 ℃～165 ℃ of secondary plasticizing temperature, 165 ℃～170 ℃ of three plasticization temperatures.
(4) four-roll calendaring forms the PVC film:
The control of four roll temperatures: the surface temperature of first roller is 160 ℃～170 ℃, and the surface temperature of second roller is 165 ℃～175 ℃, and the surface temperature of the 3rd roller is 168 ℃～178 ℃, and the surface temperature of the 4th roller is 160 ℃～170 ℃.
Speed ratio was followed successively by 1: 1.3: 1.36 between roller: 1.39.
(5) compound:
The composite PVC film respectively on the base cloth two sides of last glue.
(6) typing:
Is two pressure rollers typing of 160 ℃～180 ℃ with compound semi-finished product by surface temperature, reduces to normal temperature, rolling then.
Wherein, the pressure between two pressure rollers is 3 ± 0.1kg/cm2.
Four, detect:
Equipment: Infrared Reflective Spectra detector, tensile testing machine, freezing tester.
With the product Equipment Inspection after testing that above skill is produced, the key technical indexes is as follows:
5, sum up:
The present invention can be applicable to military field, tent, car, ship, canopy material, and it is very remarkable to have effects such as high-strength, low extension, super weather-proof, cold-resistant, fire-retardant, stealthy, imitative puppet, and be about 4 times of mill run service life.
Claims (9)
1. the production method of invisible and flexible PVC composite canopy material is characterized in that may further comprise the steps:
1) in the respectively gluing of two sides that with the polyester fiber is base cloth, then with glue precuring on base cloth;
2) resin, plasticizer, slurry, auxiliary agent, modifier and stabilizing agent are dropped in the high speed kneader successively mediate, form the puffy material; Wherein, described slurry is mainly mixed and is formed by dispersant, plasticizer, macromolecule reflecting material; Described macromolecule reflecting material is the macromolecule reflecting material that is combined with nano titanium dioxide crystal by metal oxide; Described auxiliary agent is 2.6-di-tert-butyl-4-methy phenol or four seasons Doutrate or epoxidized soybean oil or triphenyl phosphite; Described modifier is nano-calcium carbonate or ethene---acetate ethylene copolymer; Described metal oxide is chromium oxide or bismuth oxide or iron oxide;
3) kneaded puffy material plasticizing is become glue-dissolving shape, calendering forms the PVC film then;
4) at the PVC film of fitting respectively through the base cloth two sides of step 1), cooling after the pressure roller typing, rolling again; Wherein, roller temperature is 160 ℃～180 ℃.
2. according to the production method of the described invisible and flexible PVC composite canopy material of claim 1, it is characterized in that gluing speed is 30 ± 2m/min in the step 1), the temperature of precuring is 120 ℃～130 ℃.
3. according to the production method of the described invisible and flexible PVC composite canopy material of claim 2, it is characterized in that in the step 3) that plasticization temperature is 155 ℃～160 ℃ for the first time, plasticization temperature is 160 ℃～165 ℃ for the second time, plasticization temperature is 165 ℃～170 ℃ for the third time.
4. according to the production method of the described invisible and flexible PVC composite canopy material of claim 3, it is characterized in that in the step 4) through four roller calenderings, the surface temperature of first roller is 160 ℃～170 ℃, the surface temperature of second roller is 165 ℃～175 ℃, the surface temperature of the 3rd roller is 168 ℃～178 ℃, and the surface temperature of the 4th roller is 160 ℃～170 ℃.
5. according to the production method of the described invisible and flexible PVC composite canopy material of claim 1, the mass ratio that it is characterized in that dispersant in the slurry, plasticizer, macromolecule reflecting material is 0.01～0.015: 1: 1～2.
6. according to the production method of the described invisible and flexible PVC composite canopy material of claim 5, it is characterized in that described slurry fineness is not more than 75 μ m.
7. according to the production method of claim 5 or 6 described invisible and flexible PVC composite canopy materials, the mass ratio that it is characterized in that resin, plasticizer, slurry, auxiliary agent, modifier and stabilizing agent is 100: 60～70: 5～8: 4.5～5.5: 24～26: 2～3.
8. according to the production method of the described invisible and flexible PVC composite canopy material of claim 1, it is characterized in that described stabilizing agent is: calcium-zinc composite stabilizing agent or organotin at least a.
9. according to the production method of the described invisible and flexible PVC composite canopy material of claim 1, it is characterized in that plasticizer, the plasticizer in the slurry mediated in the described input high speed kneader are respectively at least a in O-phthalic acids or the acetyl tributyl citrate class.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100241271A CN101285272B (en) | 2008-05-15 | 2008-05-15 | Production method for invisible and flexible PVC composite canopy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100241271A CN101285272B (en) | 2008-05-15 | 2008-05-15 | Production method for invisible and flexible PVC composite canopy material |
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| Publication Number | Publication Date |
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| CN101285272A CN101285272A (en) | 2008-10-15 |
| CN101285272B true CN101285272B (en) | 2010-10-13 |
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| CN2008100241271A Expired - Fee Related CN101285272B (en) | 2008-05-15 | 2008-05-15 | Production method for invisible and flexible PVC composite canopy material |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252872B (en) * | 2015-11-10 | 2017-09-05 | 浙江博泰塑胶有限公司 | A kind of preparation method of highly effective flame-retardant printing opacity tarpaulin |
| CN105365320B (en) * | 2015-11-10 | 2017-12-19 | 浙江博泰塑胶有限公司 | Anti- algae yacht cloth of antibacterial and mouldproof and preparation method thereof |
| CN106283678B (en) * | 2016-08-29 | 2019-05-17 | 衢州龙威新材料股份有限公司 | Tarpaulin coating process |
| CN107972218A (en) * | 2017-12-27 | 2018-05-01 | 上海泓阳机械有限公司 | A kind of PVC ganoine thin films production equipment and its production technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998020197A1 (en) * | 1996-11-06 | 1998-05-14 | The Dow Chemical Company | Pvc-free foamed flooring and wall covering and a method for making the same |
| KR20030009861A (en) * | 2001-07-24 | 2003-02-05 | 주식회사 엘지화학 | Conductive flooring comprising colorfully conductive material and method for preparing the same |
| CN1448423A (en) * | 2003-04-29 | 2003-10-15 | 佛山塑料集团股份有限公司 | Soft PVCcalendered film and and its manufacture |
-
2008
- 2008-05-15 CN CN2008100241271A patent/CN101285272B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998020197A1 (en) * | 1996-11-06 | 1998-05-14 | The Dow Chemical Company | Pvc-free foamed flooring and wall covering and a method for making the same |
| KR20030009861A (en) * | 2001-07-24 | 2003-02-05 | 주식회사 엘지화학 | Conductive flooring comprising colorfully conductive material and method for preparing the same |
| CN1448423A (en) * | 2003-04-29 | 2003-10-15 | 佛山塑料集团股份有限公司 | Soft PVCcalendered film and and its manufacture |
Non-Patent Citations (1)
| Title |
|---|
| JP 8003520 A,全文. |
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Granted publication date: 20101013 Termination date: 20130515 |