CN1331972C - Flame-retardant spray adhesive with EVA as raw material and process for preparing same - Google Patents
Flame-retardant spray adhesive with EVA as raw material and process for preparing same Download PDFInfo
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- CN1331972C CN1331972C CNB2006100347648A CN200610034764A CN1331972C CN 1331972 C CN1331972 C CN 1331972C CN B2006100347648 A CNB2006100347648 A CN B2006100347648A CN 200610034764 A CN200610034764 A CN 200610034764A CN 1331972 C CN1331972 C CN 1331972C
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- vinyl acetate
- rosin
- retardant spray
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Abstract
The present invention relates to fire-retardant spray glue using a copolymer (EVA) of polyethylene and vinyl acetate as a raw material, and a preparation process thereof, which is characterized in that the fire-retardant spray glue is composed of dichloromethane, trichloroethane, 6# solvent oil, toluene, rosin, rosin ester, triphenyl phosphate and the copolymer of polyethylene and vinyl acetate, wherein the rosin, the rosin ester and the triphenyl phosphate are added to the dichloromethane, the trichloroethane, the 6# solvent oil and a mixed solvent of toluene and the mixture is stirred until thoroughly dissolved to form a homogeneous and transparent solution; finally, at the normal temperature, the solution is added with the copolymer of polyethylene and vinyl acetate and is continuously stirred until the copolymer of polyethylene and vinyl acetate is thoroughly dissolved, and then, the fire-retardant spray glue of the present invention is obtained. The fire-retardant spray glue of the present invention has the advantages of outstanding fire retardance and good adhesion.
Description
Technical field
The present invention relates to a kind of tackiness agent, relating in particular to a kind of is flame-retardant spray adhesive of raw material and preparation method thereof with polyethylene vinyl acetate ester copolymer (EVA).
Background technology
Spray glue is a kind of infant industry tackiness agent that development in recent years is come out.Different with common multi-purpose adhesive stick, spray glue has suitable viscosity, bonding force and suitable time of drying, can utilize spray gun to be sprayed on the adherend surface, forms uniform adhesive linkage.Spray glue through suitably dry, by sticking face pressing, has just been finished adhesion process after spraying.Compare with technique for sticking such as roll-in, brushings, consumption glue amount is little, and applying glue is even, uses more and more widely.
Spray glue is mainly used in the bonding of materials such as sponge, leather, leatheroid and timber.These materials are generally organism, easily burning.And their goods as furniture, case and bag, indoor decoration etc., often have harsh requirement to flame retardant properties.The flame retardant properties of spray glue has very big relation to the flame retardant resistance of goods.As raw materials for production, More and more factories, especially some export enterprises have proposed fire-retardant requirement to spray glue.
Spray glue product mainly contains two big classes at present.One class is a SBS type spray glue, is main raw material with the SBS Thermoplastic Elastomer, and cost is low, and tack is good.Another kind of is neoprene type spray glue, is main raw material with the chloroprene rubber, the bonding strength height, and temperature tolerance is good.[Chen Hui, the research of no triphen solvent-borne type neoprene spray glue, Fujian chemical industry, 2001,3:16-18] described the method for preparing neoprene spray glue as document.Yet because SBS Thermoplastic Elastomer and chloroprene rubber are easy to burning, oxygen index is lower.After spray glue was applied to by bonding object, solvent evaporates finished, and the residual rubber component that plays main adhesive effect can not suppress combustion processes, can't play fire retardation.
Summary of the invention
Purpose of the present invention is to provide a kind of flame-retardant spray adhesive; Another purpose provides the preparation method of this flame-retardant spray adhesive.
We as main raw material, and add the triphenylphosphate fire retardant with nonflammable polymers such as EVA, and the flame-retardant spray adhesive that obtains spraying back flame retardant properties is outstanding, can reduce disaster hidden-trouble, helps security against fire, thereby has realized purpose of the present invention.
Flame-retardant spray adhesive provided by the invention, form by following compositions according to the mass fraction:
7～13 parts of polyethylene vinyl acetate ester copolymers
10～18 parts of rosin
12～20 parts of methylene dichloride
3～11 parts of trichloroethane
35～50 parts of No. 6 solvent oils
1～8 part of toluene
1～8 part of rosin ester
1～8 part of triphenylphosphate
The preparation method of flame-retardant spray adhesive of the present invention may further comprise the steps:
(1) proportionally prepares methylene dichloride, trichloroethane, No. 6 solvent oils and toluene, stir under the normal temperature;
(2) add rosin in step (1) prepared solvent, rosin ester and triphenylphosphate stir, and up to dissolving fully, form the solution of transparent and homogeneous;
(3) add the polyethylene vinyl acetate ester copolymer in the solution that step (2) obtains, normal temperature constantly stirs down, dissolves fully up to the polyethylene vinyl acetate ester copolymer, promptly obtains flame-retardant spray adhesive.
The churning time of step (2) was generally 0.5～2 hour; The churning time of step (3) was generally 2～5 hours.
The major advantage of flame-retardant spray adhesive of the present invention comprises following two aspects:
(1) flame retardant properties is outstanding: avoided the use of chloroprene rubber and SBS thermoplastic elastomer inflammable in traditional spray glue, and adopt EVA as main raw material with better flame retardant properties, and flame retardant effect is obvious, and oxygen index can reach 23～24, can reduce disaster hidden-trouble, help security against fire;
(2) cementability is good: when guaranteeing flame retardant resistance, have higher bonding strength, can satisfy the requirement of spraying operation commonly used.
Embodiment
Following examples are to further specify of the present invention, are not limitations of the present invention.
Embodiment 1
With 16 parts of methylene dichloride (quality, down with), 7 parts of trichloroethane, 45 parts of No. 6 solvent oils stir under 3 parts of normal temperature of toluene.In solvent, add 14 parts of rosin, 2 parts of rosin esters, 3 parts of triphenylphosphates stirred 1 hour, up to dissolving fully.Form the solution of transparent and homogeneous.Add 10 parts of EVA (polyethylene vinyl acetate ester copolymer) in solution, normal temperature constantly stirred 3 hours down, dissolved fully up to EVA.Promptly obtain flame-retardant spray adhesive, oxygen index is 23.4.
Embodiment 2
With 12 parts of methylene dichloride, 4 parts of trichloroethane, 40 parts of No. 6 solvent oils stir under 3 parts of normal temperature of toluene.In solvent, add 12 parts of rosin, 3 parts of rosin esters, 2 parts of triphenylphosphates stirred 0.8 hour, up to dissolving fully.Form the solution of transparent and homogeneous.Add 8 parts of EVA (polyethylene vinyl acetate ester copolymer) in solution, normal temperature constantly stirred 2.5 hours down, dissolved fully up to EVA.Promptly obtain flame-retardant spray adhesive, oxygen index is 23.2.
Embodiment 3
With 18 parts of methylene dichloride, 10 parts of trichloroethane, 46 parts of No. 6 solvent oils stir under 5 parts of normal temperature of toluene.In solvent, add 16 parts of rosin, 6 parts of rosin esters, 6 parts of triphenylphosphates stirred 1.5 hours, up to dissolving fully.Form the solution of transparent and homogeneous.Add 12 parts of EVA (polyethylene vinyl acetate ester copolymer) in solution, normal temperature constantly stirred 4 hours down, dissolved fully up to EVA.Promptly obtain flame-retardant spray adhesive, oxygen index is 23.8.
Claims (3)
1. flame-retardant spray adhesive, form by following compositions according to the mass fraction:
7～13 parts of polyethylene vinyl acetate ester copolymers
10～18 parts of rosin
12～20 parts of methylene dichloride
3～11 parts of trichloroethane
35～50 parts of No. 6 solvent oils
1～8 part of toluene
1～8 part of rosin ester
1～8 part of triphenylphosphate.
2. the preparation method of the described flame-retardant spray adhesive of claim 1 may further comprise the steps:
(1) prepares methylene dichloride, trichloroethane, No. 6 solvent oils and toluene according to described ratio, stir under the normal temperature;
(2) in step (1) prepared solvent, add rosin, rosin ester and triphenylphosphate, stir,, form the solution of transparent and homogeneous up to dissolving fully;
(3) add the polyethylene vinyl acetate ester copolymer in the solution that step (2) obtains, normal temperature constantly stirs down, dissolves fully up to the polyethylene vinyl acetate ester copolymer, promptly obtains flame-retardant spray adhesive.
3. according to the preparation method of a kind of flame-retardant spray adhesive of claim 2, wherein the churning time in the step (2) is 0.5～2 hour; The churning time of step (3) is 2～5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100347648A CN1331972C (en) | 2006-03-31 | 2006-03-31 | Flame-retardant spray adhesive with EVA as raw material and process for preparing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100347648A CN1331972C (en) | 2006-03-31 | 2006-03-31 | Flame-retardant spray adhesive with EVA as raw material and process for preparing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1827724A CN1827724A (en) | 2006-09-06 |
| CN1331972C true CN1331972C (en) | 2007-08-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100347648A Expired - Fee Related CN1331972C (en) | 2006-03-31 | 2006-03-31 | Flame-retardant spray adhesive with EVA as raw material and process for preparing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1331972C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531007A (en) * | 2014-12-23 | 2015-04-22 | 安徽助成信息科技有限公司 | Flame-retardant EVA (ethylene-vinyl acetate) hot-melt adhesive |
| CN108384511B (en) * | 2018-03-09 | 2020-02-21 | 王锦云 | Environment-friendly EVA embroidery adhesive and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1329196A (en) * | 1970-11-28 | 1973-09-05 | Toyo Soda Mfg Co Ltd | Pressure sensitive adhesive composition |
| JPS5516055B2 (en) * | 1976-02-04 | 1980-04-28 | ||
| CN1055941A (en) * | 1990-04-19 | 1991-11-06 | 薛仲雷 | Medical gluing ventilating paper |
| CN1090310A (en) * | 1993-01-14 | 1994-08-03 | 北京市海淀区香山涂料厂 | Multifunctional adhesive for construction |
| CN1113512A (en) * | 1994-06-17 | 1995-12-20 | 海城市建材化工厂 | Adhesive for construction and decoration and preparation thereof |
| CN1544564A (en) * | 2003-11-11 | 2004-11-10 | 华南理工大学 | Polyvinyl chloride film adhesive and preparation method thereof |
-
2006
- 2006-03-31 CN CNB2006100347648A patent/CN1331972C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1329196A (en) * | 1970-11-28 | 1973-09-05 | Toyo Soda Mfg Co Ltd | Pressure sensitive adhesive composition |
| JPS5516055B2 (en) * | 1976-02-04 | 1980-04-28 | ||
| CN1055941A (en) * | 1990-04-19 | 1991-11-06 | 薛仲雷 | Medical gluing ventilating paper |
| CN1090310A (en) * | 1993-01-14 | 1994-08-03 | 北京市海淀区香山涂料厂 | Multifunctional adhesive for construction |
| CN1113512A (en) * | 1994-06-17 | 1995-12-20 | 海城市建材化工厂 | Adhesive for construction and decoration and preparation thereof |
| CN1544564A (en) * | 2003-11-11 | 2004-11-10 | 华南理工大学 | Polyvinyl chloride film adhesive and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1827724A (en) | 2006-09-06 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070815 Termination date: 20200331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |