CN102009038A - Method for forming hot melt super coating on coated abrasive tool - Google Patents
Method for forming hot melt super coating on coated abrasive tool Download PDFInfo
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- CN102009038A CN102009038A CN201010287998XA CN201010287998A CN102009038A CN 102009038 A CN102009038 A CN 102009038A CN 201010287998X A CN201010287998X A CN 201010287998XA CN 201010287998 A CN201010287998 A CN 201010287998A CN 102009038 A CN102009038 A CN 102009038A
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Abstract
The invention discloses a method for forming a hot melt super coating on a coated abrasive tool, which is to heat and melt a material and coat the molten material by a roller coating equipment onto the surface of the coated abrasive tool, and is characterized in that: the material is stearate, or a mixture of stearate and paraffin wax or a mixture of stearate, paraffin wax and antioxidant or mixture of stearate, paraffin wax, antioxidant and EVA resin or PP resin and is heated and melted at the temperature of 110 to 160 DEG C; the molten stearate or mixtures of the stearate is coated on the surface of abrasive paper or abrasive cloth by hot melt coating equipment; and naturally cooling, drying and obtaining hot melt coating products. The hot melt coating has the advantages of no toxicity, no solvent, low cost, short production route and the like compared with water soluble or solvent coating, and the obtained abrasive tool has a more compact surface structure and has the advantages of blockage prevention, burn prevention and the like in use.
Description
Technical field
The coated method of the super coating of a kind of heat molten type of coated abrasive tool belongs to grinding tool and makes the field.Be specifically related to the coated method of the super coating of heat molten type on a kind of coated abrasive tool surface.
Background technology
Grinding tool is the instrument in order to grinding, grinding and polishing.Most grinding tool is to add the artificial grinding tool that bond is made with abrasive material, the natural grinding tool that also useful natural ore deposit rock directly is processed into.Grinding tool also is used for the processing of nonmetallic materials such as grain processing, paper industry and pottery, glass, stone material, plastics, rubber, timber except that being widely adopted in machine-building and other metal-processing industries.Coated abrasive tool is the important component part of grinding tool, refers to abrasive material be sticked to the grinding tool of making on the matrix (cloth or paper etc.) of deflection with binding agent.And the super coating of coated abrasive tool is meant the functional surface coating that plays anti-clogging, anti-burn effect on coated abrasive tool surfaces such as being coated in emery cloth, sand paper.In the coated abrasive tool manufacturing, the most frequently used dual mode is solvent-based coating and water-soluble type coating at present.
Solvent-based coating is that calcium stearate, zinc stearate etc. is played the substance dissolves of the anti-burn effect of anti-clogging in organic solvents such as toluene, alcohol, simultaneously, the solvent-based adhesive of appropriate amount is added in the system the inside, be mixed with a kind of metastable solution, then solution is coated onto sand paper, emery cloth surface, by oven for drying, make the solvent-based coating product.
The shortcoming of solvent-based coating is: 1, organic solvent toxicity is big, and is seriously polluted, big to ambient influnence, unfavorable to operator ' s health.2, the organic solvent price is more expensive, and major part vapors away in the use, the cost height.3, manufacturing process is long, needs heating, drying, and energy consumption is big.4, the anti-clogging of coating, anti-burn effect are general.
Water-soluble type coating is the zinc stearate of water-soluble type or the calcium stearate emulsion adds entry and water-soluble type adhesive is made water-soluble type solution, is coated onto coated abrasive tool surfaces such as sand paper, emery cloth, by oven for drying, makes water-soluble type coating product.
The shortcoming of water-soluble type coating product is: 1, water-soluble type emulsion system instability, cause the yield rate of product low easily.2, water-soluble type coating manufacturing process is long, needs heating, drying, and energy consumption is bigger.3, the anti-clogging of coating, anti-burn effect are general.
Chinese patent " environmental protection anti-clogging coated abrasive tool " (Granted publication CN201338236Y) discloses a kind of grinding tool, comprises that base material, primer, abrasive material, multiple glue reach coated coating on multiple glue, and it is characterized by coating is the heat molten type coating.But but also handed over the one or more combination that described heat molten type coating adopts PUR class hot melt series lubricant agent or hot melt class coating in the technical scheme.In the actual production, but but to purchase, prepare one or more of PUR class hot melt series lubricant agent or hot melt class coating, objectively improve product cost, increased operation.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, a kind of poisonous dissolution with solvents and long-time oven for drying of not needing is provided, environmental protection and energy saving, the coated method of the super coating of heat molten type of the fine and closely woven anti-clogging of the structure of coating, the anti-effective a kind of coated abrasive tool of burning.
The technical solution adopted for the present invention to solve the technical problems is: the coated method of the super coating of the heat molten type of this a kind of coated abrasive tool, be with the material heating and melting, under molten condition, material is coated onto the coated abrasive tool surface by roll coating apparatus, it is characterized in that described material selects stearate or stearate and paraffin or stearate for use, the composition of paraffin and antioxidant or stearate, paraffin, the composition of antioxidant and EVA resin or PP resin, heating and melting in 110～160 ℃ scope, by heat seeling coating equipment, the stearate of molten condition or its composition are coated onto sand paper, the emery cloth surface, natural then cool drying is made the heat molten type coating product.
Described stearate comprises zinc stearate or calcium stearate or dolomol.
The proportioning of described composition is a zinc stearate: paraffin=100: 1～5,120～140 ℃ of heating-up temperatures.
The proportioning of described composition is a zinc stearate: paraffin: antioxidant=100: 1～5: 1～5,120～140 ℃ of heating-up temperatures.
The proportioning of described composition is a zinc stearate: EVA portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5 or zinc stearate: PP portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5,120～140 ℃ of heating-up temperatures.
The proportioning of described composition is a calcium stearate: paraffin=100: 1～5,140～160 ℃ of heating-up temperatures.
The proportioning of described composition is a calcium stearate: paraffin: antioxidant=100: 1～5: 1～5,140～160 ℃ of heating-up temperatures.
The proportioning of described composition is a calcium stearate: EVA portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5 or calcium stearate: PP portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5,140～160 ℃ of heating-up temperatures.
The proportioning of described composition is a dolomol: paraffin=100: 1～5,110～130 ℃ of heating-up temperatures.
The proportioning of described composition is a dolomol: paraffin: antioxidant=100: 1～5: 1～5,110～130 ℃ of heating-up temperatures.
The proportioning of described composition is a dolomol: EVA portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5 or dolomol: PP portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5,110～130 ℃ of heating-up temperatures.
Metallic stearates is to be used in the additive that the class in a lot of goods has multiple function, can bring many benefits for polymeric articles.These benefits mainly are divided into three aspects: the acid neutralizing agent in the polyolefin, i.e. stable and anticorrosion to polyolefin color has direct contribution; Lubrication/processing aid has promptly improved polyolefin, polyamide, phenylethylene and the rubber machinability when extrusion molding (film, fiber, profiling etc.) and compression moulding; Release property, promptly for thermoplastic, rubber and thermoset articles have demoulding effect as polyurethane foam and unsaturated polyester (UP).Wherein, 117～125 ℃ of zinc stearate fusing points are mainly as the lubricant and the releasing agent of styrene resin, phenolic resins, amine resin.In rubber, also have simultaneously vulcanizing activator, the function of softening agent.130～155 ℃ of calcium stearate fusing points are as the heat stabilizer of polyvinyl chloride and the lubricant of multiple plastic processing, releasing agent etc.88.5 ℃ of dolomol fusing points are mainly as lubricant, antiplastering aid, glidant.The granulation of suitable especially oils, extract medicament, the particle of making has good flowability and compressibility.In direct tablet compressing, be used as glidant.Also can be used as filter aid, fining agent and drip infusion, and the suspending agent of liquid preparation, thickener.
In the prior art, people are used stearate usually as lubricant, auxiliary agent, releasing agent etc.Facts have proved, in the coated operation of the super coating of heat molten type grinding tool, can use stearate or stearate and paraffin or stearate, paraffin and antioxidant merely, heating and melting in 110～160 ℃ scope, be coated with and invest sand paper, emery cloth surface, natural then cool drying.Because the characteristic of stearate, can satisfy of the production requirement of the super coating of heat molten type grinding tool at aspects such as lubricating, anti-clogging, adhesion property are good.Paraffin can further be strengthened its lubricated, adhesion property as auxiliary agent.Antioxidant has the effect of retardance composition properties variation as the additive in the composition.
Compared with prior art, the beneficial effect that had of the coated method of the super coating of the heat molten type of a kind of coated abrasive tool of the present invention is:
1, with respect to water-soluble type and solvent-based coating, the advantage of the super coating of heat molten type of the present invention has: 1) solvent-free fully, nontoxic, reduce cost simultaneously.2) production line is short, does not need oven drying, and is energy-saving and cost-reducing.3) heat molten type coating product, surface texture is finer and close, the anti-clogging in the use, anti-burn better effects if.
But but 2, the heat molten type coating that forms with respect to the one or more combination of PUR class hot melt series lubricant agent or hot melt class coating, the super coating of heat molten type of the present invention is selected stearate or stearate and paraffin or stearate, paraffin and antioxidant for use, heating and melting in 110～160 ℃ scope, be coated with by heat seeling coating equipment, economize in raw materials, technology is simple, and is economic and practical.
Description of drawings
Fig. 1 is solvent-borne type or water-soluble type coating process sketch.
Fig. 2 is a hot melt coating process sketch.
Fig. 3 is the solvent-based coating electromicroscopic photograph.
Fig. 4 is a heat molten type coating electromicroscopic photograph.
Fig. 5 heat molten type coating and solvent-borne type or water-soluble type coating grinding efficiency comparison diagram.
The specific embodiment
Zinc stearate at 120 ℃ of heating and meltings, is coated on zinc stearate on the sand paper by heat seeling coating equipment under molten condition, naturally cools to normal temperature, make the heat molten type coating product.
Table 1 heat molten type coating and solvent-borne type or water-soluble type coating sand paper contrast grinding data (mill aluminium bar)
Table 1 and Fig. 5 data show that gained heat molten type coating product polishing performance is better than usual vehicle type or water-soluble type coating.
Embodiment 2～5
The combination of zinc stearate (A) and paraffin (B) or zinc stearate (A), paraffin (B) and antioxidant (C)
Embodiment 6～9
The combination of zinc stearate (A), paraffin (B), antioxidant (C) and EVA resin (D) or PP resin (E)
Embodiment 10～14
The combination of calcium stearate (F) or calcium stearate (F) and paraffin (B) or calcium stearate (F), paraffin (B) and antioxidant (C)
Embodiment 15～18
The combination of calcium stearate (F), paraffin (B), antioxidant (C) and EVA resin (D) or PP resin (E)
Embodiment 19～23
The combination of dolomol (G) or dolomol (G) and paraffin (B) or dolomol (G), paraffin (B) and antioxidant (C)
Embodiment 24～27
The combination of dolomol (G), paraffin (B), antioxidant (C) and EVA resin (D) or PP resin (E)
The contrast of the products obtained therefrom test result of embodiment 2～27 and solvent-borne type or water-soluble type coating sand paper is with similar to embodiment 1.
The above only is preferred embodiment of the present invention, is not to be the restriction of invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (11)
1. the coated method of the super coating of the heat molten type of a coated abrasive tool, be with the material heating and melting, under molten condition, material is coated onto the coated abrasive tool surface by roll coating apparatus, it is characterized in that: described material is selected stearate or stearate and paraffin or stearate for use, the composition of paraffin and antioxidant or stearate, paraffin, the composition of antioxidant and EVA resin or PP resin, heating and melting in 110～160 ℃ scope, by heat seeling coating equipment, the stearate of molten condition or its composition are coated onto sand paper, the emery cloth surface, natural then cool drying is made the heat molten type coating product.
2. the coated method of the super coating of the heat molten type of a kind of coated abrasive tool according to claim 1, it is characterized in that: described stearate comprises zinc stearate, calcium stearate or dolomol.
3. the coated method of the super coating of the heat molten type of a kind of coated abrasive tool according to claim 1, it is characterized in that: the proportioning of described composition is a zinc stearate: paraffin=100: 1～5, heating-up temperature are 120～140 ℃.
4. the coated method of the super coating of the heat molten type of a kind of coated abrasive tool according to claim 1, it is characterized in that: the proportioning of described composition is a zinc stearate: paraffin: antioxidant=100: 1～5: 1～5,120～140 ℃ of heating-up temperatures.
5. the coated method of the super coating of the heat molten type of a kind of coated abrasive tool according to claim 1, it is characterized in that: the proportioning of described composition is a zinc stearate: EVA portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5, or zinc stearate: PP portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5,120～140 ℃ of heating-up temperatures.
6. the coated method of the super coating of the heat molten type of a kind of coated abrasive tool according to claim 1, the proportioning that it is characterized in that described composition is a calcium stearate: paraffin=100: 1～5,140～160 ℃ of heating-up temperatures.
7. the coated method of the super coating of the heat molten type of a kind of coated abrasive tool according to claim 1, the proportioning that it is characterized in that described composition is a calcium stearate: paraffin: antioxidant=100: 1～5: 1～5,140～160 ℃ of heating-up temperatures.
8. the coated method of the super coating of the heat molten type of a kind of coated abrasive tool according to claim 1, the proportioning that it is characterized in that described composition is a calcium stearate: EVA portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5 or calcium stearate: PP portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5,140～160 ℃ of heating-up temperatures.
9. the coated method of the super coating of the heat molten type of a kind of coated abrasive tool according to claim 1, the proportioning that it is characterized in that described composition is a dolomol: paraffin=100: 1～5,110～130 ℃ of heating-up temperatures.
10. the coated method of the super coating of the heat molten type of a kind of coated abrasive tool according to claim 1, the proportioning that it is characterized in that described composition is a dolomol: paraffin: antioxidant=100: 1～5: 1～5,110～130 ℃ of heating-up temperatures.
11. the coated method of the super coating of the heat molten type of a kind of coated abrasive tool according to claim 1, the proportioning that it is characterized in that described composition is a dolomol: EVA portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5 or dolomol: PP portions of resin paraffin: antioxidant=100: 1～5: 1～5: 1～5,110～130 ℃ of heating-up temperatures.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010287998XA CN102009038A (en) | 2010-09-17 | 2010-09-17 | Method for forming hot melt super coating on coated abrasive tool |
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| CN201010287998XA CN102009038A (en) | 2010-09-17 | 2010-09-17 | Method for forming hot melt super coating on coated abrasive tool |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831739A (en) * | 2014-02-11 | 2014-06-04 | 当涂县南方红月磨具磨料有限公司 | High-temperature-resistant ceramic silicon carbide grinding wheel |
| CN107778958A (en) * | 2017-11-11 | 2018-03-09 | 淄博理研泰山涂附磨具有限公司 | A kind of preparation method of environmentally friendly sand paper blocking preventing coating formula |
| CN109880473A (en) * | 2019-03-11 | 2019-06-14 | 常州市金牛研磨有限公司 | A kind of anti-super coating and its preparation process of burning of titanium alloy grinding |
| CN110421811A (en) * | 2019-07-12 | 2019-11-08 | 3M材料技术(合肥)有限公司 | The processing method and system of grinding tool back base |
| CN111021136A (en) * | 2019-12-20 | 2020-04-17 | 淄博理研泰山涂附磨具有限公司 | Novel environment-friendly sand paper anti-blocking coating and preparation method thereof |
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| CN1095981A (en) * | 1993-04-15 | 1994-12-07 | 明尼苏达州采矿制造公司 | The coated abrasive article that has the hot melt priming coat of energy-curable |
| CN1222108A (en) * | 1996-05-08 | 1999-07-07 | 美国3M公司 | Antiloading components for abrasive articles |
| CN1308570A (en) * | 1998-05-01 | 2001-08-15 | 美国3M公司 | Coated abrasive article |
| EP1493535A1 (en) * | 1998-05-01 | 2005-01-05 | Minnesota Mining And Manufacturing Company | Method of forming a supersize coating |
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2010
- 2010-09-17 CN CN201010287998XA patent/CN102009038A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1095981A (en) * | 1993-04-15 | 1994-12-07 | 明尼苏达州采矿制造公司 | The coated abrasive article that has the hot melt priming coat of energy-curable |
| CN1222108A (en) * | 1996-05-08 | 1999-07-07 | 美国3M公司 | Antiloading components for abrasive articles |
| CN1308570A (en) * | 1998-05-01 | 2001-08-15 | 美国3M公司 | Coated abrasive article |
| EP1493535A1 (en) * | 1998-05-01 | 2005-01-05 | Minnesota Mining And Manufacturing Company | Method of forming a supersize coating |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103831739A (en) * | 2014-02-11 | 2014-06-04 | 当涂县南方红月磨具磨料有限公司 | High-temperature-resistant ceramic silicon carbide grinding wheel |
| CN107778958A (en) * | 2017-11-11 | 2018-03-09 | 淄博理研泰山涂附磨具有限公司 | A kind of preparation method of environmentally friendly sand paper blocking preventing coating formula |
| CN109880473A (en) * | 2019-03-11 | 2019-06-14 | 常州市金牛研磨有限公司 | A kind of anti-super coating and its preparation process of burning of titanium alloy grinding |
| CN110421811A (en) * | 2019-07-12 | 2019-11-08 | 3M材料技术(合肥)有限公司 | The processing method and system of grinding tool back base |
| CN111021136A (en) * | 2019-12-20 | 2020-04-17 | 淄博理研泰山涂附磨具有限公司 | Novel environment-friendly sand paper anti-blocking coating and preparation method thereof |
| CN111021136B (en) * | 2019-12-20 | 2021-12-31 | 淄博理研泰山涂附磨具有限公司 | Novel environment-friendly sand paper anti-blocking coating and preparation method thereof |
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Application publication date: 20110413 |