CN107880461A - The sealing and packing material and its preparation technology of a kind of plastic bucket - Google Patents
The sealing and packing material and its preparation technology of a kind of plastic bucket Download PDFInfo
- Publication number
- CN107880461A CN107880461A CN201711261409.9A CN201711261409A CN107880461A CN 107880461 A CN107880461 A CN 107880461A CN 201711261409 A CN201711261409 A CN 201711261409A CN 107880461 A CN107880461 A CN 107880461A
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- Prior art keywords
- parts
- encapsulant
- phenolic resin
- sealing
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention discloses a kind of sealing and packing material of plastic containers, the component containing following mass fraction：4~6 parts of phenolic resin, 15~16 parts of hydroxyethyl cellulose, 17~27 parts of unsaturated polyester (UP), 18~22 parts of glass fibre, 33 parts of thermosetting acrylic resin.The encapsulant of gained of the invention with preferable corrosion resistance, the resilience of higher degree and at slightly higher temperature with certain adhesive property, by being molded with plastic containers, with preferable sealing and fastness, it can be used for and the combination of button cell positive and negative electrode, play insulation and sealing function, solution leakage can be effectively prevented, extends the life-span of electronic component.
Description
Technical field
The invention belongs to polymeric material field, and in particular to sealing material field, be stored further to a kind of plastics
The sealing and packing material and its preparation technology of tank.
Background technology
Sealed between plastic containers and cover plate for very crucial, such as the button that contains the packaging containing volatile materials
The outer packing of battery is similar to a kind of plastic containers, typically makes the cylinder of flat type, in order to isolate positive pole and negative pole,
Between a positive electrode and a negative electrode plus one layer of sealing ring, sealing ring is mainly made with glass fiber material at present.Glass fiber material exists
The problem of solution leakage is easily formed during long-time use so that battery premature failure, the electrolyte leaked in addition is also
Electronic product can be polluted, largely effects on the service efficiency of electronic product.
Chinese patent CN203423217U discloses a kind of anti-leak button cell, by the outside of fiberglass sealed circle
Hermetic barrier film is coated, reaches the purpose for preventing solution leakage.But the method necessarily increases the processed complex of button cell
Property so that the processing cost for producing button cell goes up.Generally, electrolyte seepage from battery, mainly due to glass fibre
Caused by sealing effectiveness difference between sealing ring and plastics, therefore, it is necessary to develop the sealing of energy preferably sealed plastic storage tank
Packaging material.
The content of the invention
It is an object of the invention to overcome in the prior art, encapsulant is bad to plastic containers sealing effectiveness, causes electrical equipment
The problems such as component life is shorter, there is provided a kind of sealing and packing material of plastic bucket, it has good sealing effect, processing letter
Singly, can be with injection molding the advantages that, it can be used for plastic containers, such as the sealing of electric elements.
The technical solution adopted in the present invention is：A kind of sealing and packing material of plastic bucket, contains following mass parts
Several components：4~6 parts of phenolic resin, 15~16 parts of hydroxyethyl cellulose, 17~27 parts of unsaturated polyester (UP), 18~22
The glass fibre, 33 parts of thermosetting acrylic resin of part.
Wherein, described phenolic resin is selected from homopolymerization phenolic resin, and one in random phenolic resin or anti-impact phenolic resin
Kind；It is preferred that the melt index of the phenolic resin is 6~12g/10min.
It is preferred that described hydroxyethyl cellulose refers to the dilute terpolymer of ethylene-propylene-fourth；Further preferably, it is melted
Index is 5~12g/10min.
Preferably, described unsaturated polyester (UP) is EPDM glass fibre, polyolefin block copolymer resins or ethene-pungent
One or more of combinations in alkene copolymer resins.
Preferably, described glass fibre is butyl glass fibre, more preferably polyisobutene glass fibre.
Preferably, described thermosetting acrylic resin is selected from ethene and acrylic copolymer, ethene and methyl acrylate
Any one or a few combination in copolymer, ethene and ethyl acrylate copolymer.
Further preferably, color masterbatch can be also optionally added according to demand in the encapsulant, for obtaining different colours
Encapsulant.For example, carbon black color masterbatch, green color masterbatch, black color masterbatch etc., preferably color masterbatch addition are 0.1~1 part, more preferably
0.3~0.6 part, be still more preferably 0.4~0.5 part.
Shown in Fig. 1, another aspect of the present invention, the preparation work of the sealing and packing material of above-mentioned plastic bucket is disclosed
Skill, above-mentioned starting components are first well mixed by high mixer, are granulated by double screw extruder, can be with plastics after drying
Cover plate injection molding uses.It is preferred that the drying temperature be 75~85 DEG C, drying time be 10~60 minutes, preferably 20~40
Minute, more elect as 30 minutes.The encapsulant that this method is prepared, it has good airproof performance, simple processing, can be molded
The features such as processing.
Compared with prior art, the present invention has the advantages that：
(1) present invention is by being raw material from phenolic resin, and the material after melt blending has excellent resistant to chemical etching
Performance, electrolytic corrosion can be effectively prevented, extend the service life of electronic component；
(2) unsaturated polyester (UP) and glass fibre are added in raw material of the present invention, the material after melt blending is island structure, no
Only there is preferable mechanical property, and the resilience with higher degree, ensure that material in use will not be because of light
Microseismic activity influences the service life of battery, improves the stability in use of material；
(3) thermosetting acrylic resin is added in raw material of the present invention, gained encapsulant has certain at slightly higher temperature
Adhesive property, ensure that material is Nian Jie with miscellaneous part in process, so as to have preferable sealing and fastness；
(4) encapsulant raw material of the invention is easy to get, and processing technology is simple, and input is small, is adapted to industrialized production.
Figure of description
Fig. 1 is the process chart of the present invention.
Embodiment
Further detailed description is done to technical scheme below in conjunction with specific embodiment.Unless otherwise saying
Bright, the raw material used in following examples is commercial goods, or can be prepared by known methods.
Embodiment 1：
By 14.8 parts of homopolymerization phenolic resin, 20.5 parts of hydroxyethyl cellulose, 54.7 parts of EPDM glass fibre,
5.1 parts of polyisobutene glass fibre, 5.2 parts of ethylene and acrylic acid copolymer are added to draw ratio 36 after mixed at high speed
Double screw extruder in, carry out melting extrusion granulation, extruder temperature set it is as follows：1st area, 150 DEG C, 2 175 DEG C of areas, 3rd area
180 DEG C, 4 185 DEG C of areas, 5 185 DEG C of areas, 6 190 DEG C of areas, 7 195 DEG C of areas, 8 190 DEG C of areas, 190 DEG C of membrana oralis.It is granulated, cuts by water cooling
Into 2~3mm particle, then stopped 30 minutes in 80 DEG C of baking ovens, that is, obtain the sealing for plastic bucket of the present invention
Packaging material.
Embodiment 2：
By 39.8 parts of ene-propylene-butene hydroxyethyl cellulose, 30.4 parts of polyolefin block copolymer resins, 9.8 parts
Polyisobutene glass fibre, 19.5 parts of ethene and methyl acrylate copolymer, 0.5 part of carbon black color masterbatch is through mixed at high speed
Afterwards, add into the double screw extruder of draw ratio 40, carry out melting extrusion granulation, extruder temperature sets as follows：1st area, 110
DEG C, 2 115 DEG C of areas, 3 120 DEG C of areas, 4 125 DEG C of areas, 5 125 DEG C of areas, 6 130 DEG C of areas, 7 130 DEG C of areas, 8 135 DEG C of areas, 9 135 DEG C of areas, mouth
140 DEG C of film.It is granulated by water cooling, is cut into 2~3mm particle, is then stopped 30 minutes in 80 DEG C of baking ovens, that is, obtain the present invention
The black encapsulant for plastic containers.
Embodiment 3：
By 15 parts of random phenolic resin, 26.8 parts of ene-propylene-butene hydroxyethyl cellulose, 42.2 parts of ethene-
Octene copolymer resin, 6.7 parts of polyisobutene glass fibre, 5.6 parts of ethylene and acrylic acid copolymer, 3.2 parts of ethene and
Ethyl acrylate copolymer, 0.5 part of green Masterbatch, after mixed at high speed, add to the double screw extruder of draw ratio 40
In, melting extrusion granulation is carried out, extruder temperature sets as follows：1st area, 150 DEG C, 2 155 DEG C of areas, 3 155 DEG C of areas, 4 160 DEG C of areas, 5
165 DEG C of area, 6 170 DEG C of areas, 7 175 DEG C of areas, 8 175 DEG C of areas, 9 180 DEG C of areas, 185 DEG C of membrana oralis.It is granulated by water cooling, is cut into 2~3mm
Particle, then stopped 30 minutes in 80 DEG C of baking ovens, that is, obtain the present invention the green encapsulant for plastic containers.
Embodiment 4：
By 14.5 parts of anti-impact phenolic resin, 36.8 parts of ene-propylene-butene hydroxyethyl cellulose, 30 parts of ethene-
Octene copolymer resin, 10 parts of polyisobutene glass fibre, 5 parts of ethylene and acrylic acid copolymer, 3.2 parts of ethene and propylene
Acetoacetic ester copolymer, 0.5 part of black Masterbatch, after mixed at high speed, add into the double screw extruder of draw ratio 40, enter
Row melting extrusion is granulated, and extruder temperature sets as follows：1st area, 150 DEG C, 2 155 DEG C of areas, 3 175 DEG C of areas, 4 180 DEG C of areas, 5 areas 185
DEG C, 6 190 DEG C of areas, 7 195 DEG C of areas, 8 195 DEG C of areas, 9 190 DEG C of areas, 195 DEG C of membrana oralis.It is granulated by water cooling, is cut into 2~3mm
Grain, is then stopped 30 minutes in 80 DEG C of baking ovens, that is, obtains the black encapsulant for plastic containers of the present invention.
Embodiment 5：
By 5 parts of random phenolic resin, 30.6 parts of ene-propylene-butene hydroxyethyl celluloses, 20.4 parts of polyolefin block
Copolymer resins, 10.2 parts of EPDM glass fibre, 7.7 parts of ethylene-octene copolymer resins, 8.6 parts of polyisobutene glass
Glass fiber, 14 parts of ethene and ethyl acrylate copolymer, 2.5 parts of ethylene and acrylic acid copolymer, 1 part of ethene and propylene
Sour methyl terpolymer is added into the double screw extruder of draw ratio 40 after mixed at high speed, carries out melting extrusion granulation, extrusion
Machine temperature setting is as follows：1st area, 150 DEG C, 2 155 DEG C of areas, 3 160 DEG C of areas, 4 165 DEG C of areas, 5 170 DEG C of areas, 6 170 DEG C of areas, 7 areas 170
DEG C, 8 170 DEG C of areas, 9 175 DEG C of areas, 175 DEG C of membrana oralis.It is granulated by water cooling, is cut into 2~3mm particle, then in 80 DEG C of baking ovens
Stop 30 minutes, that is, obtain the sealing and packing material for plastic bucket of the present invention.
Embodiment 6：
By the encapsulant obtained by above-described embodiment 1-5, it is molded on injection machine with button cell negative pole (plastic cover sheet),
Combined again with button cell positive pole (plastic containers cylinder), stamped sealing, test products obtained therefrom performance, as a result such as following table.
As can be seen from the above table, the above-mentioned encapsulant of the present invention, by being molded with negative pole (plastic cover sheet), can be used for and knob
The combination of anode (plastic containers cylinder) is detained, plays the insulation between positive pole and negative pole and sealing function.By for a long time
Test, find its good sealing effect, can effectively prevent solution leakage, extend the life-span of button cell.
The above embodiment of the present invention, the ground description and interpretation present invention is merely illustrative, is not that model is protected to the present invention
The limitation enclosed, those skilled in the art may be subject to flexible or remodeling on the basis of the technology contents of above-described embodiment, it is every not
Depart from the content of technical solution of the present invention, in the range of being encompassed by it is contemplated that protecting.
Claims (10)
- A kind of 1. sealing and packing material of plastic bucket, it is characterised in that：Component containing following mass fraction：4~6 parts Phenolic resin, 15~16 parts of hydroxyethyl cellulose, 17~27 parts of unsaturated polyester (UP), 18~22 parts of glass fibre, 33 parts Thermosetting acrylic resin.
- 2. encapsulant as claimed in claim 1, it is characterised in that：Described phenolic resin is selected from homopolymerization phenolic resin, nothing Advise one kind in phenolic resin or anti-impact phenolic resin.
- 3. encapsulant as claimed in claim 2, it is characterised in that：The melt index of the phenolic resin is 6~12g/ 10min。
- 4. encapsulant as claimed in claim 1, it is characterised in that：Described hydroxyethyl cellulose is that ethylene-propylene-fourth is dilute Terpolymer；Its melt index is 5~12g/10min.
- 5. encapsulant as claimed in claim 1, it is characterised in that：Described unsaturated polyester (UP) is EPDM glass fibers One or more of combinations in dimension, polyolefin block copolymer resins or ethylene-octene copolymer resins.
- 6. encapsulant as claimed in claim 1, it is characterised in that：Described glass fibre is butyl glass fibre.
- 7. encapsulant as claimed in claim 1, it is characterised in that：Described thermosetting acrylic resin is selected from ethene and third In olefin(e) acid copolymer, ethene and methyl acrylate copolymer, ethene and ethyl acrylate copolymer any one or a few Combination.
- 8. the encapsulant as described in claim 1-7 is any, it is characterised in that：Also contain color masterbatch, color in the encapsulant Female addition is 0.1~1 part.
- 9. the preparation technology of the encapsulant as described in claim 1-8 is any, is concretely comprised the following steps：First starting components are mixed Uniformly, it is granulated by double screw extruder, dries, obtain the encapsulant.
- 10. preparation technology as claimed in claim 9, it is characterised in that：The drying temperature is 75~85 DEG C, and drying time is 10~60 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711261409.9A CN107880461A (en) | 2017-12-04 | 2017-12-04 | The sealing and packing material and its preparation technology of a kind of plastic bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711261409.9A CN107880461A (en) | 2017-12-04 | 2017-12-04 | The sealing and packing material and its preparation technology of a kind of plastic bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107880461A true CN107880461A (en) | 2018-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711261409.9A Pending CN107880461A (en) | 2017-12-04 | 2017-12-04 | The sealing and packing material and its preparation technology of a kind of plastic bucket |
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| CN (1) | CN107880461A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60147486A (en) * | 1984-01-10 | 1985-08-03 | Toyobo Co Ltd | Water-based polyester adhesive |
| EP1975217A2 (en) * | 2007-03-29 | 2008-10-01 | Clariant International Ltd. | Flame-retardant adhesive and sealing substances |
| CN102559078A (en) * | 2011-12-28 | 2012-07-11 | 广州鹿山新材料股份有限公司 | Hot melt adhesive membrane for bonding bi-metallic composite plate and preparing method thereof |
| CN102660205A (en) * | 2012-06-01 | 2012-09-12 | 苏州联科合成材料有限公司 | Acrylate hot melt adhesive composition and preparation method of hot melt adhesive by UV (ultraviolet) crosslinking |
| CN106459702A (en) * | 2014-06-26 | 2017-02-22 | 阿肯马法国公司 | Adhesive sealing composition |
| CN106751638A (en) * | 2016-12-30 | 2017-05-31 | 华缘新材料股份有限公司 | A kind of fiber reinforced thermoset plastics and preparation method thereof |
| CN107075046A (en) * | 2014-10-20 | 2017-08-18 | 昭和电工株式会社 | Unsaturated polyester resin compositions and sealed electric-motor |
-
2017
- 2017-12-04 CN CN201711261409.9A patent/CN107880461A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60147486A (en) * | 1984-01-10 | 1985-08-03 | Toyobo Co Ltd | Water-based polyester adhesive |
| EP1975217A2 (en) * | 2007-03-29 | 2008-10-01 | Clariant International Ltd. | Flame-retardant adhesive and sealing substances |
| CN102559078A (en) * | 2011-12-28 | 2012-07-11 | 广州鹿山新材料股份有限公司 | Hot melt adhesive membrane for bonding bi-metallic composite plate and preparing method thereof |
| CN102660205A (en) * | 2012-06-01 | 2012-09-12 | 苏州联科合成材料有限公司 | Acrylate hot melt adhesive composition and preparation method of hot melt adhesive by UV (ultraviolet) crosslinking |
| CN106459702A (en) * | 2014-06-26 | 2017-02-22 | 阿肯马法国公司 | Adhesive sealing composition |
| CN107075046A (en) * | 2014-10-20 | 2017-08-18 | 昭和电工株式会社 | Unsaturated polyester resin compositions and sealed electric-motor |
| CN106751638A (en) * | 2016-12-30 | 2017-05-31 | 华缘新材料股份有限公司 | A kind of fiber reinforced thermoset plastics and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 冶金工业部矿山司编: "《矿用汽车管理手册》", 30 June 1991, 东南大学出版社出版 * |
| 李宝库等主编: "《胶粘剂应用技术》", 31 December 1989, 中国商业出版社 * |
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Application publication date: 20180406 |
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