CN1695917A - Method of no conglutination for packing blocky heat-molten contact adhesive - Google Patents
Method of no conglutination for packing blocky heat-molten contact adhesive Download PDFInfo
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- CN1695917A CN1695917A CN 200510033891 CN200510033891A CN1695917A CN 1695917 A CN1695917 A CN 1695917A CN 200510033891 CN200510033891 CN 200510033891 CN 200510033891 A CN200510033891 A CN 200510033891A CN 1695917 A CN1695917 A CN 1695917A
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- sensitive adhesive
- fusible pressure
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- packing method
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Abstract
A non-adhesive packing method for the hot-fusible pressure-sensitive adhesive block includes such steps as fusing, extruding out which coating an antisticking film layer on its surface, cooling, and cutting to obtain quasi-cylindrical solid blocks.
Description
Technical field
The present invention relates to the adhesion packing method of block hot-fusible pressure-sensitive adhesive under packing technique field, particularly normal temperature, the viscous state of colloidal materials.
Background technology
Hot-fusible pressure-sensitive adhesive needs heat fused could be coated with construction, but it is viscous solid at normal temperatures, thus need to it carry out release packaging with satisfy to store, convenient reinforced needs when carrying and construction.Moulding that hot-fusible pressure-sensitive adhesive is common and manner of packing have following several: 1. directly the hot-fusible pressure-sensitive adhesive melt is injected in the box that separate paper is converted into or scribbles in the can or plastics box of antitack agent.Can from these boxes, totally deviate from after the hot-fusible pressure-sensitive adhesive cooling.The shortcoming of this packing method is: packaging efficiency is low, labor intensive, production and use inconvenience and can pollute.2. the hot-fusible pressure-sensitive adhesive melt is injected into box that separate paper is converted into or in the can of release treatment or plastic casing cooling forming in addition, packing goes up fusible film by hand then, is finished product.This method production cost is higher, than the former take a lot of work more, time-consuming.3. utilize mechanical device that hot-fusible pressure-sensitive adhesive is made the particle that the surface that is of a size of diameter 10mm length 10-20mm scribbles antiseized granulation aid.This mode can influence the compatibility of hot-fusible pressure-sensitive adhesive because granulation aid content is higher, and particle still can the adhesion caking under higher accumulating temperature.4. utilize mechanical device that the hot-fusible pressure-sensitive adhesive melt is injected the lower film of fusing point automatically, cut off cooling then under water and form about 0.2～2 kilogram big blocks of solid.This is a kind of advanced manner of packing, but still has film with the hot-fusible pressure-sensitive adhesive compatibility is poor, cause the deficiency of applying glue pipeline and shower nozzle obstruction when using easily.
Summary of the invention
Task of the present invention is will be at the defective of above-mentioned prior art manner of packing, provides that a kind of anti-stick coating and hot-fusible pressure-sensitive adhesive compatibility are good, consumption is low, and cost is low, efficient is high, is suitable for automatically, the adhesion packing method of packing hot-fusible pressure sensitive adhesive continuously.
Technical scheme of the present invention is:
The adhesion packing method of block hot-fusible pressure-sensitive adhesive comprises following processing step:
1) hot-fusible pressure-sensitive adhesive that will melt from mixing kettle is sent in the screw extruder that has attemperating unit;
2) utilize screw extruder in the hot-fusible pressure-sensitive adhesive cooling or afterwards, hot-fusible pressure-sensitive adhesive is clamp-oned a die cavity that can apply the die head of anti-stick coating, meanwhile, utilize conveyer will in the coating still, be molten into liquid release coating inject die cavity around, make the hot-fusible pressure-sensitive adhesive of the die cavity of flowing through be wrapped up a coating continuously equably, thereby form the release packaging film;
3) hot-fusible pressure-sensitive adhesive that will have packaging film is sent into tentatively typing in the cooler, and then sends into cooling in the cooling water, sclerosis;
4) hot-fusible pressure-sensitive adhesive that will be column with cutting knife cuts into the director circle cylinder piece that length is 30～500mm;
5) the block hot-fusible pressure-sensitive adhesive of gained is further cooled off, dry, vanning, be finished product.
Described release coating is a solid thermoplastics material fusible under 140 ℃ of temperature, that the normal temperature lower surface does not have viscosity.
The solid thermoplastics material is meant: one or more in paraffin, Tissuemat E, synthetic wax, modified polyethylene wax, polyamide wax, stearamide wax, ethene-vinyl acetate co-polymer, polyethylene, thermoplastic elastomer, ethene-methyl acrylate copolymer, ethene-butyl acrylate copolymer, random polyene footpath, the high softening-point tackifying resin raw material mix (gathering) compound.
Produce block hot-fusible pressure-sensitive adhesive owing to adopted mode continuously shaped, the parcel anti-stick coating, and used release coating and hot-fusible pressure-sensitive adhesive compatibility are good, consumption is few, applying glue pipeline and shower nozzle are difficult for stopping up during use, not only solved the hot-fusible pressure-sensitive adhesive problem of packing automatically well, and production, packing cost is low, efficient is high, the performance of subsequent product also is guaranteed, and can not be subjected to the influence of anti-stick coating (impurity).
Description of drawings
Fig. 1 is a kind of concrete process schematic representation of the present invention.
1 couple of the present invention is further described below in conjunction with accompanying drawing.
The specific embodiment
The adhesion packing method of block hot-fusible pressure-sensitive adhesive, processing step is as follows:
1) in mixing kettle 1, prepares liquid hot-fusible pressure-sensitive adhesive earlier, and in coating still 11, prepare release coating.Release coating is one or more mixtures in paraffin, Tissuemat E, synthetic wax, modified polyethylene wax, polyamide wax, stearamide wax, ethene-vinyl acetate co-polymer, polyethylene, thermoplastic elastomer, ethene-methyl acrylate copolymer, ethene-butyl acrylate copolymer, the high softening-point tackifying resin raw material.The thickness of anti-stick coating is recently counted with the weight percent of its shared packaged hot-fusible pressure-sensitive adhesive: 0.05%～2%.
2) hot-fusible pressure-sensitive adhesive that will melt from mixing kettle 1 is sent in the screw extruder 2 that has attemperating unit 23.And release coating is sent into the die cavity 31 of anti-stick coating die head 3 with the conveyer 4 of screw extruder or gear pump screw pump and so on.
3) utilize screw extruder 2 in the hot-fusible pressure-sensitive adhesive cooling or afterwards, hot-fusible pressure-sensitive adhesive is clamp-oned the die cavity 31 of the die head 3 that can apply anti-stick coating, make the hot-fusible pressure-sensitive adhesive of flowing through be wrapped up a coating continuously equably, thereby form the release packaging coating.
4) hot-fusible pressure-sensitive adhesive that will scribble the packing coating is rapidly sent into tentatively typing in the cooler 5, and then sends into cooling in the cooling water 10, sclerosis.
5), then with cutting knife 8 above-mentioned hot-fusible pressure-sensitive adhesive 7 packaged, that be column is cut into the director circle columnar block 9 that length is 30～500mm (middle is cylinder, and both sides are flat) again through pinch roller 6 tractions.
6) block 9 in cooling water 10 further cooling and air-dry after, be packaged as finished product.
Be applicable to that screw extruder 2 of the present invention can be various forms of, but the attemperating unit 23 that must equipment can heat, cool off.Specifically, attemperating unit 23 is the cold and hot temperature exchange controllers of a kind of jacket type, be enclosed within on the shell of screw extruder 2, which is provided with the import 22 and the outlet 21 of heating agent or refrigerant, can feed liquid state or gaseous state heating agent or refrigerant by circulating pump in it, be used for the hot-fusible pressure-sensitive adhesive material in the screw extruder 2 is implemented cooling, added temperature control.Heating agent or refrigerant can be water or cold-producing medium.Hot-fusible pressure-sensitive adhesive is cooled to the necessary condition that suitable temperature is next step moulding in screw extruder 2.In the present invention, the cooling of hot-fusible pressure-sensitive adhesive in screw extruder must be controlled at 2～60 ℃, is preferably 10～40 ℃.
The structure that is fit to anti-stick coating die head 3 of the present invention is seen accompanying drawing.The melt of hot-fusible pressure-sensitive adhesive passes through from die cavity 31 continuously.The coating melt that conveyer 4 is sent here 32 enters die cavity 31 through entering the mouth, and the coating melt that enters can make the anti-stick coating melt be coated on the surface of PUR melt continuously, equably.What deserves to be mentioned is that the coextrusion coventry type die head coventry of Any shape all is applicable to the present invention, the present invention preferably uses cylinder formula coextrusion die head.
Be applicable to that coating melt Conveying machine 4 of the present invention can be screw extruder, gear pump screw pump and other machinery of conveying hot melt continuously.
Be applicable to that cooler 5 of the present invention can be cylindraceous, square or other Any shape, preferably adopt cylindricly that its internal diameter is 20～150mm.Its function is to make the PUR melt that the is covered with coating typing that is cooled herein.During concrete the making, cooler 5 can be a seamless connectivity with coating die head 3, also can be integrated, and can have spacing to regulate.The refrigerant that is fit to can be cooling water (being sprayed onto on the cooler outer surface), also can be other cold-producing medium, as: the nitrogen of cold ethylene glycol, liquid state or gaseous state, compression arbon dioxide etc.Cooler 5 can be such design: be provided with runner 51 in the cooler 5, the PUR melt flows through thus, and chuck 52 is set outside runner 51, is connected with flowing water or other cold-producing medium in the chuck 52.Cooler 5 can also be such: be provided with runner 52 in it, be provided with several (as four) air rings outside runner 52, be connected with flowing water or other cold-producing medium in the air ring, make the PUR melt formula cooling of flowing through in gradient.Although hot-fusible pressure-sensitive adhesive 7 inside of coming out from cooler remain melt, outer surface has been solidified into cylinder substantially: cylinder or square body (common name block).
Because hot-fusible pressure-sensitive adhesive and coating are to enter in the cooling water by die head 3 and cooler 5 continuously, this just might be on any length of actual needs cuts into formed hot-fusible pressure-sensitive adhesive cylinder one section, one section cylinder.Because cylindrical shape can be out of shape when cutting off, mid portion is not the cylindrical of standard, and two ends become flat substantially, so the present invention refers in particular to above-mentioned shape with the director circle cylinder.Generally independent hot-fusible pressure-sensitive adhesive director circle cylinder is to be about 5-50 centimetre, and preferred diameter 70-80mm of diameter 10-150mm or bigger various sizes are produced, and its weight changes between the 0.2-2 kilogram, is convenient to packing, transportation and subsequent production and uses.
The hot-fusible pressure-sensitive adhesive that has cut off is thoroughly cooled off in cold water 10 or with the cold water spray thoroughly after the cooling, drying promptly can be carried out final external packing and be obtained finished product.
Be applicable to that release packaging membrane material of the present invention comprises numerous solid thermoplastics materials that do not have viscosity on the surface that can melt below 140 ℃.Specifically, comprise paraffin, Tissuemat E, synthetic wax, modified polyethylene wax, polyamide wax, stearamide wax, ethene-vinyl acetate co-polymer, polyethylene, thermoplastic elastomer, ethene-methyl acrylate copolymer, ethene-butyl acrylate copolymer, random polyene footpath, high softening-point (greater than 110 ℃) tackifying resin, and their mixture.The weight ratio that anti-stick coating accounts for hot-fusible pressure-sensitive adhesive is 0.05%～2%, is preferably 0.1%～1%.
The surface is inviscid substantially at normal temperatures for the director circle cylinder hot-fusible pressure-sensitive adhesive that makes thus, have the release packaging film, and adhesion stores, carries in can directly pack into case or the bag each other.
When follow-up dealer need use the present invention to have the director circle cylinder hot-fusible pressure-sensitive adhesive of release packaging film, can be directly with hand Pork-pieces taking-up and adding in the melten gel device from carton or bag, so just saved and peeled off used packing materials such as separate paper usually, saved a procedure, simple and convenient, also avoided hot-fusible pressure-sensitive adhesive can adhere to other objects, contaminated.Simultaneously, because release packaging film of the present invention is very thin, content in the hot-fusible pressure-sensitive adhesive piece is little, especially softening point is low, thereby only need lower temperature just can and sneak in the glue with the fusing of packing coating, can not cause harmful effect to the applying glue process, the performance of hot-fusible pressure-sensitive adhesive does not change substantially yet, satisfies production requirement.
Claims (7)
1, the adhesion packing method of block hot-fusible pressure-sensitive adhesive comprises following processing step:
1) hot-fusible pressure-sensitive adhesive that will melt from mixing kettle (1) is sent in the screw extruder (2) that has attemperating unit (23);
When 2) utilizing screw extruder (2) that hot-fusible pressure-sensitive adhesive is lowered the temperature or afterwards, hot-fusible pressure-sensitive adhesive is clamp-oned a die cavity (31) that can apply the die head (3) of anti-stick coating, meanwhile, utilize conveyer (4) will in coating still (11), be molten into liquid release coating inject die cavity around, make the hot-fusible pressure-sensitive adhesive of the die cavity of flowing through be wrapped up a coating continuously equably, thereby form anti-stick coating;
3) hot-fusible pressure-sensitive adhesive that will have anti-stick coating is sent into tentatively typing in the cooler (5), and then sends into cooling in the cooling water, sclerosis;
4) hot-fusible pressure-sensitive adhesive that will be column with cutting knife (8) cuts into the director circle cylinder piece that length is 30～500mm;
5) the block hot-fusible pressure-sensitive adhesive of gained is further cooled off, dry, vanning, be finished product.
2,, it is characterized in that described anti-stick coating is a solid thermoplastics material fusible under 140 ℃ of temperature, that the normal temperature lower surface does not have viscosity according to the described packing method of claim 1.
3,, it is characterized in that described solid thermoplastics material is one or more mixtures in paraffin, Tissuemat E, synthetic wax, modified polyethylene wax, polyamide wax, stearamide wax, ethene-vinyl acetate co-polymer, polyethylene, thermoplastic elastomer, ethene-methyl acrylate copolymer, ethene-butyl acrylate copolymer, the high softening-point tackifying resin raw material according to the described packing method of claim 2.
4, according to the described packing method of claim 1, the thickness that it is characterized in that described anti-stick coating is recently counted with the weight percent of its shared packaged hot-fusible pressure-sensitive adhesive: 0.05%～2%.
5,, it is characterized in that the decline temperature of described hot-fusible pressure-sensitive adhesive in screw extruder is controlled to be 2～60 ℃ according to described any packing method of claim 1-4.
6, according to the described packing method of claim 5, it is characterized in that described conveyer (4) can be screw extruder, gear pump, screw pump or other be the machinery of conveying hot melt continuously.
7, according to the described packing method of claim 1, it is characterized in that described attemperating unit (23) is a kind of the fed liquid state on the described screw extruder shell or cold and hot temperature exchange controller of gaseous state heating agent or refrigerant of being located at, said heating agent or refrigerant can be water or cold-producing medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510033891 CN1695917A (en) | 2005-04-01 | 2005-04-01 | Method of no conglutination for packing blocky heat-molten contact adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510033891 CN1695917A (en) | 2005-04-01 | 2005-04-01 | Method of no conglutination for packing blocky heat-molten contact adhesive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1695917A true CN1695917A (en) | 2005-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510033891 Pending CN1695917A (en) | 2005-04-01 | 2005-04-01 | Method of no conglutination for packing blocky heat-molten contact adhesive |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241948A (en) * | 2010-05-14 | 2011-11-16 | 德渊企业股份有限公司 | Method for manufacturing hot melt adhesive |
| CN103286874A (en) * | 2013-05-20 | 2013-09-11 | 曹永良 | Special device for producing block-shaped hot melt pressure sensitive adhesive |
| CN104334618A (en) * | 2012-05-17 | 2015-02-04 | 汉高美国知识产权有限责任公司 | Integral hot melt adhesive packaging films and use thereof |
| CN106240970A (en) * | 2016-09-21 | 2016-12-21 | 东莞市舜天实业有限公司 | Pressure sensitive adhesive automatic packaging machine and packing method thereof |
| CN108929644A (en) * | 2018-06-05 | 2018-12-04 | 江苏嘉好热熔胶股份有限公司 | A kind of encapsulated piece and preparation method thereof easy to use |
| CN114247889A (en) * | 2021-12-03 | 2022-03-29 | 深圳市众德祥科技有限公司 | Film-coated 3D printing wire, film-coated extruder and preparation method thereof |
| CN115216242A (en) * | 2021-04-16 | 2022-10-21 | 俊驰材料科技股份有限公司 | Hot melt adhesive tape and method of making and using same |
-
2005
- 2005-04-01 CN CN 200510033891 patent/CN1695917A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102241948A (en) * | 2010-05-14 | 2011-11-16 | 德渊企业股份有限公司 | Method for manufacturing hot melt adhesive |
| CN104334618A (en) * | 2012-05-17 | 2015-02-04 | 汉高美国知识产权有限责任公司 | Integral hot melt adhesive packaging films and use thereof |
| US9272795B2 (en) | 2012-05-17 | 2016-03-01 | Henkel IP & Holding GmbH | Integral hot melt adhesive packaging films and use thereof |
| CN104334618B (en) * | 2012-05-17 | 2016-08-17 | 汉高知识产权控股有限责任公司 | Overall thermal hot melt adhesive packaging film and application thereof |
| US10364079B2 (en) | 2012-05-17 | 2019-07-30 | Henkel IP & Holding GmbH | Integral hot melt adhesive packaging films and use thereof |
| CN103286874A (en) * | 2013-05-20 | 2013-09-11 | 曹永良 | Special device for producing block-shaped hot melt pressure sensitive adhesive |
| CN106240970A (en) * | 2016-09-21 | 2016-12-21 | 东莞市舜天实业有限公司 | Pressure sensitive adhesive automatic packaging machine and packing method thereof |
| CN106240970B (en) * | 2016-09-21 | 2019-07-12 | 广东舜天新材料有限公司 | Pressure sensitive adhesive automatic packaging machine and its packing method |
| CN108929644A (en) * | 2018-06-05 | 2018-12-04 | 江苏嘉好热熔胶股份有限公司 | A kind of encapsulated piece and preparation method thereof easy to use |
| CN108929644B (en) * | 2018-06-05 | 2021-02-26 | 江苏嘉好热熔胶股份有限公司 | Convenient-to-use rubber coating block and preparation method thereof |
| CN115216242A (en) * | 2021-04-16 | 2022-10-21 | 俊驰材料科技股份有限公司 | Hot melt adhesive tape and method of making and using same |
| CN114247889A (en) * | 2021-12-03 | 2022-03-29 | 深圳市众德祥科技有限公司 | Film-coated 3D printing wire, film-coated extruder and preparation method thereof |
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