CN1485147A - Light solidify technology of rubber coating - Google Patents
Light solidify technology of rubber coating Download PDFInfo
- Publication number
- CN1485147A CN1485147A CNA031317936A CN03131793A CN1485147A CN 1485147 A CN1485147 A CN 1485147A CN A031317936 A CNA031317936 A CN A031317936A CN 03131793 A CN03131793 A CN 03131793A CN 1485147 A CN1485147 A CN 1485147A
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- rubber coating
- rubber
- curing process
- photoactive substance
- coating
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
A process of optically solidifying a rubber coating, especially under ultraviolet radiation. Photosensitive agents are added into the rubber coating and solidified under ultraviolet radiation. Photosensitive agents of the invention are agents inducing free radicals, such as biethoxy hypnone, benzophenone, bibenzoyl. Additives are acylic carboxyethyl ester or the like, and so on. Compared with the current process of solidifying rubber, since the photosensitive agents could absorb energy of ultraviolet radiation in a short time, the rubber coating could be solidifies quickly, which simplify the process, and save cost.
Description
Technical field
The ultraviolet curing process of rubber coating relates to the curing of rubber coating, relates in particular to by the ultraviolet lighting shooting method method that rubber coating is solidified.
Background technology
Coated fabric is the big important branch of one in the textile fabrics, and the effect of coating is that the weak point to original textile fabrics performance remedies and improves, to expand Application Areas.
The base cloth product that has rubber coating, its light weight, anticorrosion, good insulation preformance, elasticity, pliability is splendid, can be fire-retardant, suitable empire cloth, sleeve pipe and the deferent flexible connector made, also can be used as anti-corrosion material, construction sealing materials, high-temperature anticorrosion conveyer belt and packaging material etc., purposes is very extensive.
The curing of existing coating rubber goods is: in joining the glue process, add a certain proportion of rubber curing agent, under natural temperature and certain pressure, through the series of chemical between curing agent and the rubber, rubber is solidified.The hardening time of rubber is relevant with temperature, glue-spread and curing agent content.In general, rubber coating is finished curing process needs 3-4 hour, as carrying out twice curing because of product needed, then needs 18-20 hour.This speed has restricted the speed that manufactures a finished product, and promptly under the ordinary production situation, every equipment can only be produced a volume finished fabric every day.
In addition, exert pressure when solidifying in that the base cloth that scribbles rubber is reeled, to be penetrated into the base cloth back side and to solidify can't unwinding the time, also need isolate with one deck laminated polyester film at the base cloth back side for preventing rubber coating liquid.Like this, virtually, improve cost of manufacture, prolonged operation, reduced production efficiency.
Summary of the invention
The objective of the invention is to: propose a kind of new technology of photocuring rubber coating at the problem of above-mentioned existence, can shorten the hardening time of rubber coating greatly, reduce production costs and enhance productivity.
Technical solution of the present invention is: it comprises joins glue process, coating operation, curing process and winding process, it is characterized in that, be mixed with photoactive substance and adopt UV-irradiation to solidify in rubber coating, its technological process and condition of cure carry out in the following manner:
1) join glue process: counting by weight percentage rubber colloid is 10-80%; Photoactive substance is 2-8%; Additive is 5-16%; Surplus is a gasoline, fully stirring, mixing for standby use; Here gasoline is organic solvent.
2) apply operation: with calender rubber layer liquid evenly is coated on the base cloth, feeds the thickness that speed is controlled rubber coating by the pressure and the base cloth of control press pressure roller;
3) curing process: the employing light wave is that the ultraviolet light of 200-430 nanometer directly shines the rubber coating on the base cloth, the kind of the photoactive substance in the proportionality coefficient K=1.8 of UV-irradiation energy and the coating weight milli Jiao/gram, the ultraviolet wavelength of employing and adding rubber and the thickness of rubber coating are corresponding.That irradiation energy is about 500-1000 milli is burnt/square metre, the different-thickness coating should be selected different emittance and ultraviolet wavelength for use, and the proportionality coefficient of irradiation energy and coating weight is as follows: the K=irradiation energy (milli Jiao/square metre)/coating weight (gram/square metre)=1.8 milli Jiao/grams.
4) winding process: by fabric guide roll rolling finished product.
So-called photoactive substance is the material that certain light (adopting ultraviolet light among the present invention) is had photosensitization, and these photoactive substances can absorb ultraviolet light in the extremely short time energy solidifies rubber fast.The photoactive substance of selecting for use among the present invention is the radical initiator photoactive substance, as diethoxy acetophenone; Benzophenone; Dibenzoyl.Additive be hydroxy-ethyl acrylate, pentaerythritol triacrylate) condensed ethandiol double methacrylate etc.The effect of these additives is the viscosity that is used for reducing rubber, satisfies the requirement of coating processes.
Compare with the existing rubber curing process that does not add photoactive substance, the advantage that technology of the present invention is outstanding is that photoactive substance can absorb the ultraviolet light energy in the extremely short time, rubber coating is solidified fast, not only simplify, reduced operation and production equipment, save cost, and improved production efficiency greatly.
The specific embodiment
1) joins glue process: take by weighing 1.5Kg benzophenone, 20Kg rubber and 3.1Kg acrylic acid glycolic and mix, add 400g gasoline and stir and be made into the rubber solutions mixing for standby use;
2) apply operation: with calender rubber layer liquid evenly is coated on the base cloth, the rotating speed of calender be 500 rev/mins of base cloths to feed speed be 1 meter/minute, the thickness of gained rubber coating be 500 grams/square metre;
3) curing process: adopt two kinds of ultraviolet light light waves to shine at twice, irradiator 1 UV-irradiation wavelength is 250 nanometers, and irradiator 2 UV-irradiation wavelength are 400 nanometers, total irradiation energy be 900 millijoules/square metre.
4) winding process: by fabric guide roll rolling finished product.
Claims (4)
1, the ultraviolet curing process of rubber coating comprises and joins glue process, coating operation, curing process and winding process, it is characterized in that, be mixed with photoactive substance and adopt UV-irradiation to solidify in rubber coating, its technological process and condition of cure carry out in the following manner:
1) join glue process: counting by weight percentage rubber colloid is 10-80%; Photoactive substance is 2-8%; Additive is 5-16%; Surplus is a gasoline, fully stirring, mixing for standby use;
2) apply operation: with calender rubber layer liquid evenly is coated on the base cloth, feeds the thickness that speed is controlled rubber coating by the pressure and the base cloth of control press pressure roller;
3) curing process: the employing light wave is that the ultraviolet light of 200-430 nanometer directly shines the rubber coating on the base cloth, the proportionality coefficient K=1.8 milli Jiao/gram of UV-irradiation energy and coating weight;
4) winding process: by fabric guide roll rolling finished product.
2, the ultraviolet curing process of rubber coating according to claim 1 is characterized in that: photoactive substance is the radical initiator photoactive substance.
3, the ultraviolet curing process of rubber coating according to claim 2 is characterized in that: its radical initiator photoactive substance is one of following kind: 1) diethoxy acetophenone; 2) benzophenone; 3) dibenzoyl.
4, the ultraviolet curing process of rubber coating according to claim 1 is characterized in that: additive is one of following material: 1) hydroxy-ethyl acrylate; 2) pentaerythritol triacrylate; 3) condensed ethandiol double methacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031317936A CN1295030C (en) | 2003-07-30 | 2003-07-30 | Light solidify technology of rubber coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031317936A CN1295030C (en) | 2003-07-30 | 2003-07-30 | Light solidify technology of rubber coating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1485147A true CN1485147A (en) | 2004-03-31 |
| CN1295030C CN1295030C (en) | 2007-01-17 |
Family
ID=34153876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031317936A Expired - Fee Related CN1295030C (en) | 2003-07-30 | 2003-07-30 | Light solidify technology of rubber coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1295030C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435982C (en) * | 2004-07-09 | 2008-11-26 | 赫恩龙 | Solidification method of UV lacquer for coating object and its equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8400727A (en) * | 1984-03-07 | 1985-10-01 | Philips Nv | OPTICAL GLASS FIBER PROVIDED WITH A PLASTIC COATING AND METHOD FOR THE MANUFACTURE THEREOF. |
| US5912061A (en) * | 1995-08-03 | 1999-06-15 | Matsushita Electric Industrial Co., Ltd. | UV-ray setting resin and a method for manufacturing a magneto-optical disk by the use of the UV-ray setting resin |
-
2003
- 2003-07-30 CN CNB031317936A patent/CN1295030C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100435982C (en) * | 2004-07-09 | 2008-11-26 | 赫恩龙 | Solidification method of UV lacquer for coating object and its equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1295030C (en) | 2007-01-17 |
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Owner name: TONGTIAN SCIENCE-TECHNOLOGY CO., LTD., NANJING Free format text: FORMER OWNER: NANJING KANGTE COMPOSITE MATERIAL CO.,LTD Effective date: 20110311 |
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Free format text: CORRECT: ADDRESS; FROM: 210012 NO. 30, ANDELI, YUHUA WEST ROAD, NANJING CITY, JIANGSU PROVINCE TO: 210012 NO. 30, ANDELI, YUHUA WEST ROAD, NANJING CITY |
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Effective date of registration: 20110311 Address after: 210012, No. 30, Xi An Road, Yuhua West Road, Nanjing Patentee after: Tongtian Science-Technology Co., Ltd., Nanjing Address before: Yuhua Road Nanjing city Jiangsu province 210012 Andrea No. 30 Patentee before: NanJing Kangte Composite Material Co.,Ltd |
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Granted publication date: 20070117 Termination date: 20130730 |