CN1810844B - Emulsion for heat sealing glue and its preparation and use - Google Patents
Emulsion for heat sealing glue and its preparation and use Download PDFInfo
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- CN1810844B CN1810844B CN 200610033680 CN200610033680A CN1810844B CN 1810844 B CN1810844 B CN 1810844B CN 200610033680 CN200610033680 CN 200610033680 CN 200610033680 A CN200610033680 A CN 200610033680A CN 1810844 B CN1810844 B CN 1810844B
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Abstract
The present invention relates to one kind of emulsion for preparing heat sealing glue and its preparation process and use. The emulsion is prepared with deionized water 115-125 weight portions, acrylic acid 2-4 weight portions, emulsifier 2-3 weight portions, styrene 30-50 weight portions, butyl acrylate 30-50 weight portions, methyl methacrylate 4-6 weight portions, protecting glue 1-1.5 weight portions and initiator (C) 0.5-1 weight portions. The preparation process includes the steps of: compounding initiator, compounding water phase component solution, emulsifying the monomer components, emulsion polymerization, maintaining temperature, filtering, regulating pH value, etc. The heat sealing paper includes a ventilating base material and the emulsion painted to the base material to forma heat sealing layer. The present invention has the advantages of safety, environment friendship, saving in resource, stable quality, etc.
Description
Technical field
The present invention relates to a kind of material that heat-seal adhesive is used for preparing, particularly a kind ofly be used for preparing the material that heat-seal adhesive is used on the heat seal tissue.The invention still further relates to a kind of manufacturing and be used for preparing the method for heat-seal adhesive with material.The invention still further relates to and a kind ofly be used for preparing the heat seal tissue that heat-seal adhesive is made as raw material with material with described.
Background technology
Current heat seal tissue has obtained widespread use in the automatic packaging field, and it is to be used for packing siccative, sterilant and deodovization agent etc. to need the gas-pervious article of packing bag that suitable major part is wherein arranged again.The material that the glue-line of preparation heat-sealing is at present used mainly is a high-pressure polyethylene, and high-pressure polyethylene is done in the process of raw material making ventilation property heat seal tissue, need to use to drench and push film forming after the film machine is heated to molten state with raw material, be applied to then on the base material, also will get breather hole again when needing Composite Paper ventilative; Complex process not only, and to reach good heat-sealing effect, the heat-sealing glue-line needs bigger thickness, thereby wastes more material and resource.
Summary of the invention
The objective of the invention is to overcome the problem that above-mentioned prior art exists, a kind of material that technology is easy, cost is made heat-seal adhesive than the lowland that can be used to is provided.
Another object of the present invention provides a kind of manufacturing and is used for preparing the method for heat-seal adhesive with material.
A further object of the present invention provides a kind of heat seal tissue that contains the heat-seal adhesive of being made by described heat-seal adhesive material.
For reaching first goal of the invention, the technical solution used in the present invention is that the preparation emulsion for heat sealing glue comprises water component (A): deionized water 115-125 mass parts, vinylformic acid 2-4 mass parts, emulsifying agent 2-3 mass parts; Monomer component (B): vinylbenzene 30-50 mass parts, butyl acrylate 30-50 mass parts, methyl methacrylate 4-6 mass parts; Initiator (C) 0.5-1 mass parts.
Above-mentioned preparation emulsion for heat sealing glue contains the protection glue of 1-1.5 mass parts.This emulsion can prolong the shelf-time of guaranteeing the quality.
Described preparation emulsion for heat sealing glue, its preferred ingredients and component concentration thereof are water component (A): deionized water 118-122 mass parts, vinylformic acid 2.5-3.5 mass parts, emulsifying agent 2.3-2.7 mass parts; Monomer component (B): vinylbenzene 38-45 mass parts, butyl acrylate 38-45 mass parts, methyl methacrylate 4.5-5.5 mass parts, protection glue 1-1.5 mass parts; Initiator (C) 0.5-1 mass parts.Manufacturability was better, more stable when this emulsion was used for preparing the heat-seal adhesive of heat seal tissue.
For reaching second goal of the invention, the technical solution used in the present invention is that the preparation method of described preparation emulsion for heat sealing glue comprises the steps:
(1) gets the initiator of formula ratio and be equivalent to formula of initiator amount 5-15 deionized water doubly, they are mixed, obtain initiator solution;
(2) the water component (A) of getting 1/4th to 1/2nd formula ratios is put into reactor, stirs;
(3) rest part with formula ratio water component mixes emulsification with the monomer component of formula ratio;
(4) after liquid is warmed up to 80 degrees centigrade in the question response device, evenly splash into the resulting emulsion of step (3), splash into the initiator solution that step (1) obtains simultaneously and stir; Adding speed should make reactor temperature remain on 80-90 degree centigrade;
(5) stir and heat tracing 80-85 degree centigrade 1.5-2 hour;
(6) cool to room temperature after, transferring the emulsion pH value with ammoniacal liquor is 8-8.5, stirs, discharging is then filtered, and obtains emulsion.
For reaching the 3rd goal of the invention, the technical solution used in the present invention is that heat seal tissue comprises base material, also comprises by above-mentioned preparation emulsion for heat sealing glue being coated to the heat-sealing glue-line that forms on the base material.This heat seal tissue is in light weight, saves material.
Above-mentioned heat seal tissue, described base material has ventilation property.This heat seal tissue can punch specially and just have ventilation property.
Embodiment
Below in conjunction with embodiment the present invention is done further to specify, but the present invention is not limited to embodiment.
The component of several preparation emulsion for heat sealing glue and component concentration table (mass parts)
Listed emulsifying agent can adopt sodium sulfonate and OP-10 to prepare in the table, and protection glue can adopt sodium polyacrylate, and initiator can adopt ammonium persulphate.In addition, methacrylic acid and vinylformic acid character are basic identical, so the also available methacrylic acid substitution of vinylformic acid.
Described preparation emulsion for heat sealing glue can be prepared as follows:
(1) initiator preparation: get the initiator of formula ratio and be equivalent to formula of initiator amount 5-15 deionized water doubly, they are mixed, obtain initiator solution;
(2) water component solution preparation: the water component (A) of getting 1/4th to 1/2nd formula ratios is put into reactor, stirs;
(3) emulsification of monomer component; The rest part of formula ratio water component is mixed emulsification with the monomer component of formula ratio;
(4) letex polymerization: after liquid is warmed up to 80 degrees centigrade in the question response device, evenly splash into the resulting emulsion of step (3), splash into the initiator solution that step (1) obtains simultaneously and stir; Adding speed should make reactor temperature remain on 80-90 degree centigrade;
(5) insulation: stir and heat tracing 80-85 degree centigrade 1.5-2 hour;
(6) filtration and pH value modulation: after cooling to room temperature, transferring the emulsion pH value with ammoniacal liquor is 8-8.5, stirs, and discharging is then filtered, and obtains emulsion.
A kind of heat seal tissue comprises the base material of ventilation property and is coated to the heat-sealing glue-line that base material forms by aforesaid preparation emulsion for heat sealing glue.This heat seal tissue is in light weight, and can punch specially and just have ventilation property.When making this heat seal tissue, adopt rolling method that aforesaid preparation emulsion for heat sealing glue is coated on the base material (paper, non-woven fabrics etc.), get final product after waiting drying.Make Composite Paper reach good heat sealability, general every square metre of glue spread should be the 3.5-5 gram.
Experiment showed, with material of the present invention and make Composite Paper, the requirement as long as the material glue spread touches the mark can reach the heat sealability requirement fully; And the heat seal tissue of ventilation property base material manufacturing, by adopting the experimental technique of packing discolour silica gel, prove that permeability can be fine.
The material for preparing heat-seal adhesive with tradition is compared, and material of the present invention has following advantage:
(1) safety and environmental protection. Take water as medium, nontoxic, tasteless, do not fire, not quick-fried, free from environmental pollution, can not bring because of organic solvent volatilization and cause labour protection problem and production accident problem.
(2) economize on resources. Raw material sources are rich and easy to get, and price comparison makes suitable, and material requirement only is equivalent to about 1/5th of current material when making the heat-sealing glue-line.
(3) steady quality is reliable. The applied emulsion of material of the present invention and base-material be because " similar and compatible ", thus coating adhere to firm, the heat sealing stable performance, broken rate is extremely low.
(4) easy construction. The emulsion that material of the present invention is used is film forming at room temperature, and constructing operation is very convenient; And when making the gas permeability extrusion coating paper, can punch specially again, extrusion coating paper is breathed freely.
Claims (2)
1. a heat seal tissue that uses the preparation emulsion for heat sealing glue comprises base material, and described base material has ventilation property; It is characterized in that: comprise that also the preparation emulsion for heat sealing glue is coated to the heat-sealing glue-line that forms on the base material, described preparation emulsion for heat sealing glue comprises water component (A): deionized water 115-125 mass parts, vinylformic acid 2-4 mass parts, emulsifying agent 2-3 mass parts; Monomer component (B): vinylbenzene 30-50 mass parts, butyl acrylate 30-50 mass parts, methyl methacrylate 4-6 mass parts, protection glue 1-1.5 mass parts; Initiator (C) 0.5-1 mass parts.
2. use as claimed in claim 1 prepares the heat seal tissue of emulsion for heat sealing glue, it is characterized in that, comprises water component (A): deionized water 118-122 mass parts, vinylformic acid 2.5-3.5 mass parts, emulsifying agent 2.3-2.7 mass parts; Monomer component (B): vinylbenzene 38-45 mass parts, butyl acrylate 38-45 mass parts, methyl methacrylate 4.5-5.5 mass parts, protection glue 1-1.5 mass parts; Initiator (C) 0.5-1 mass parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610033680 CN1810844B (en) | 2006-02-20 | 2006-02-20 | Emulsion for heat sealing glue and its preparation and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610033680 CN1810844B (en) | 2006-02-20 | 2006-02-20 | Emulsion for heat sealing glue and its preparation and use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1810844A CN1810844A (en) | 2006-08-02 |
| CN1810844B true CN1810844B (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610033680 Expired - Fee Related CN1810844B (en) | 2006-02-20 | 2006-02-20 | Emulsion for heat sealing glue and its preparation and use |
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| Country | Link |
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| CN (1) | CN1810844B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070741B (en) * | 2010-12-17 | 2013-01-09 | 林泽荪 | Novel hot-seal adhesive emulsion and preparation method thereof |
| CN102079919B (en) * | 2010-12-20 | 2013-09-04 | 林泽荪 | Diluting method and use method of hot-seal adhesive emulsion |
| CN102850891B (en) * | 2012-09-09 | 2014-10-08 | 海南必凯水性涂料有限公司 | Low-temperature heat-seal acrylic emulsion for coating and preparation method thereof |
| CN112252084B (en) * | 2020-09-16 | 2023-06-06 | 齐鲁工业大学 | Heat-sealable filter base paper based on natural plant fibers and preparation method thereof |
| CN113969518B (en) * | 2021-03-26 | 2023-01-13 | 浙江科技学院 | Water-based coating heat-sealing adhesive for medical dialyzing paper and coating method thereof |
| CN114957537B (en) * | 2022-02-14 | 2023-09-26 | 毛志强 | Environment-friendly emulsion replacing PE (polyethylene) laminated film and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100921A (en) * | 1987-02-21 | 1987-11-04 | 浙江省建筑科学研究所 | Acrylic ester-styrene-vinyl acetate-copolymerized water emulsion |
| CN1215067A (en) * | 1997-10-20 | 1999-04-28 | 湖北大学 | Preparation of benzene propyl emulsion from waste polystrene foamed plastics |
-
2006
- 2006-02-20 CN CN 200610033680 patent/CN1810844B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100921A (en) * | 1987-02-21 | 1987-11-04 | 浙江省建筑科学研究所 | Acrylic ester-styrene-vinyl acetate-copolymerized water emulsion |
| CN1215067A (en) * | 1997-10-20 | 1999-04-28 | 湖北大学 | Preparation of benzene propyl emulsion from waste polystrene foamed plastics |
Non-Patent Citations (5)
| Title |
|---|
| JP特开平6-287890A 1994.10.11 |
| 林璜等.环氧改性苯丙乳液的研制.济南大学学报(自然科学版)第17卷 第3期.2003,第17卷(第3期),274-276. |
| 林璜等.环氧改性苯丙乳液的研制.济南大学学报(自然科学版)第17卷 第3期.2003,第17卷(第3期),274-276. * |
| 秦静等.苯丙乳液表面施胶剂的合成与应用.造纸化学品 第3期.2005,(第3期),33-36. |
| 秦静等.苯丙乳液表面施胶剂的合成与应用.造纸化学品 第3期.2005,(第3期),33-36. * |
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| Publication number | Publication date |
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| CN1810844A (en) | 2006-08-02 |
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