CN105694769A - White glue and preparation method thereof - Google Patents
White glue and preparation method thereof Download PDFInfo
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- CN105694769A CN105694769A CN201610141935.0A CN201610141935A CN105694769A CN 105694769 A CN105694769 A CN 105694769A CN 201610141935 A CN201610141935 A CN 201610141935A CN 105694769 A CN105694769 A CN 105694769A
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- mixed liquor
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J129/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/02—Homopolymers or copolymers of unsaturated alcohols
- C09J129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses white glue and a preparation method thereof and belongs to the technical filed of LED lamps. The white glue is prepared from components in parts by weight as follows: 20-30 parts of polyvinyl alcohol, 10-18 parts of sodium acetate, 11-16 parts of borax, 4-6 parts of formaldehyde, 5-8 parts of sodium hydroxide, 8-12 parts of calcium carbonate, 4-5 parts of zinc acetate, 7-9 parts of an enhancer and 10-15 parts of water. The white glue is high in curing speed, and the assembly efficiency of a lamp is high; the performance of the lamp is improved, and the lamp is used stably; the lamp is long in service life and economical.
Description
Technical field
The invention belongs to LED technical field, particularly relate to a kind of white glue and preparation method thereof。
Background technology
The basic structure of LED is one piece of electroluminescent chip of semiconductor material; with on elargol or latex solidified to support; then chip and circuit board are connected with silver wire or gold thread; then surrounding epoxy sealing; play the effect of protection internal core; shell is finally installed, so the anti-seismic performance of LED is good。The curing rate that white glue has is slow, and poor heat resistance causes that the packaging efficiency of light fixture is low, affects the performance of light fixture, shortens the service life of light fixture。
Summary of the invention
The technical problem to be solved is in that to provide a kind of white glue and preparation method thereof。
For solving the problems referred to above, a kind of white glue of the present invention, this white glue is made up of the composition of following weight portion: polyvinyl alcohol 20～30, sodium acetate 10～18, Borax 11～16, formaldehyde 4～6, sodium hydroxide 5～8, calcium carbonate 8～12, zinc acetate 4～5, hardening agent 7～9 and water 10～15。
Described hardening agent is made up of the composition of following weight portion: polyacrylate 3.1～3.8, Ammonium persulfate. 2.3～2.6, ring ethylene glycol 1.1～1.4, magnesium oxide 1.2～1.4 and water 2.4～2.8。
The preparation method of described hardening agent is: polyacrylate 3.1～3.8, Ammonium persulfate. 2.3～2.6, ring ethylene glycol 1.1～1.4 and magnesium oxide 1.2～1.4 are added to the water, heat while stirring under elevated pressure conditions, pressure is 2.1～2.5MPa, mixing time is 10～15 minutes, it is 80～90 DEG C that temperature controls, and is finally incubated, and it is 80～85 DEG C that temperature controls, temperature retention time 8～12 minutes, can be prepared by described hardening agent。
A kind of preparation method of white glue, including following preparation process:
(1) polyvinyl alcohol 20～30, sodium acetate 10～18, Borax 11～16, formaldehyde 4～6 and sodium hydroxide 5～8 are joined vessel in heating, heat time heating time is 11～18 minutes, stirs after having heated, and mixing time is 6～11 minutes, it is 85～96 DEG C that temperature controls, and obtains mixed liquor a；
(2) mix to calcium carbonate 8～12, zinc acetate 4～5, hardening agent 7～9 and water 10～15, stir under room temperature, obtain mixed liquor b；
(3) being heated by mixed liquor a, limit heating edge adds mixed liquor b in mixed liquor a, and heat time heating time is 25～30 minutes, is then incubated, and temperature retention time is 20～25 minutes, and holding temperature is 95～100 DEG C, and insulation pressure is 1.5～1.9MPa, obtains mixed liquor c；
(4) mixed liquor c putting into drying baker dry 10～15 minutes, drying temperature is 85～95 DEG C, can obtain described white glue。
Compared with prior art, the invention have the advantages that the curing rate of the present invention is fast, light fixture efficiency when assembling is high；The performance boost of light fixture, uses stable；The long service life of light fixture, saves economy。
Detailed description of the invention
Embodiment 1
A kind of white glue, this white glue is made up of the composition of following weight portion: polyvinyl alcohol 20, sodium acetate 10, Borax 11, formaldehyde 4, sodium hydroxide 5, calcium carbonate 8, zinc acetate 4, hardening agent 7 and water 10。
Hardening agent is made up of the composition of following weight portion: polyacrylate 3.1, Ammonium persulfate. 2.3, ring ethylene glycol 1.1, magnesium oxide 1.2 and water 2.4。
The preparation method of hardening agent is: polyacrylate 3.1, Ammonium persulfate. 2.3, ring ethylene glycol 1.1 and magnesium oxide 1.2 are added to the water, heat while stirring under elevated pressure conditions, pressure is 2.1MPa, mixing time is 10 minutes, it is 80 DEG C that temperature controls, and is finally incubated, and it is 80 DEG C that temperature controls, temperature retention time 8 minutes, can be prepared by described hardening agent。
A kind of preparation method of white glue, including following preparation process:
(1) polyvinyl alcohol 20, sodium acetate 10, Borax 11, formaldehyde 4 and sodium hydroxide 5 being joined vessel in heating, heat time heating time is 11 minutes, stirs after having heated, and mixing time is 6 minutes, and it is 85 DEG C that temperature controls, and obtains mixed liquor a；
(2) mix to calcium carbonate 8, zinc acetate 4, hardening agent 7 and water 10, stir under room temperature, obtain mixed liquor b；
(3) being heated by mixed liquor a, limit heating edge adds mixed liquor b in mixed liquor a, and heat time heating time is 25 minutes, is then incubated, and temperature retention time is 20 minutes, and holding temperature is 95 DEG C, and insulation pressure is 1.5MPa, obtains mixed liquor c；
(4) mixed liquor c putting into drying baker dry 10 minutes, drying temperature is 85 DEG C, can obtain described white glue。
It is demonstrated experimentally that the curing rate of white glue is fast under this parameter, thermostability is best。
Embodiment 2
A kind of white glue, this white glue is made up of the composition of following weight portion: polyvinyl alcohol 25, sodium acetate 14, Borax 13, formaldehyde 5, sodium hydroxide 7, calcium carbonate 10, zinc acetate 5, hardening agent 8 and water 13。
Hardening agent is made up of the composition of following weight portion: polyacrylate 3.5, Ammonium persulfate. 2.4, ring ethylene glycol 1.3, magnesium oxide 1.3 and water 2.6。
The preparation method of hardening agent is: polyacrylate 3.5, Ammonium persulfate. 2.4, ring ethylene glycol 1.3 and magnesium oxide 1.3 are added to the water, heat while stirring under elevated pressure conditions, pressure is 2.3MPa, mixing time is 12 minutes, it is 85 DEG C that temperature controls, and is finally incubated, and it is 82 DEG C that temperature controls, temperature retention time 10 minutes, can be prepared by described hardening agent。
A kind of preparation method of white glue, including following preparation process:
(1) polyvinyl alcohol 25, sodium acetate 14, Borax 13, formaldehyde 5 and sodium hydroxide 7 being joined vessel in heating, heat time heating time is 15 minutes, stirs after having heated, and mixing time is 8 minutes, and it is 91 DEG C that temperature controls, and obtains mixed liquor a；
(2) mix to calcium carbonate 10, zinc acetate 5, hardening agent 8 and water 13, stir under room temperature, obtain mixed liquor b；
(3) being heated by mixed liquor a, limit heating edge adds mixed liquor b in mixed liquor a, and heat time heating time is 27 minutes, is then incubated, and temperature retention time is 23 minutes, and holding temperature is 97 DEG C, and insulation pressure is 1.7MPa, obtains mixed liquor c；
(4) mixed liquor c putting into drying baker dry 13 minutes, drying temperature is 90 DEG C, can obtain described white glue。
It is demonstrated experimentally that the curing rate of white glue is the fastest under this parameter, thermostability is best。
Therefore, the present embodiment is preferred embodiment。
Embodiment 3
A kind of white glue, this white glue is made up of the composition of following weight portion: polyvinyl alcohol 30, sodium acetate 18, Borax 16, formaldehyde 6, sodium hydroxide 8, calcium carbonate 12, zinc acetate 5, hardening agent 9 and water 15。
Hardening agent is made up of the composition of following weight portion: polyacrylate 3.8, Ammonium persulfate. 2.6, ring ethylene glycol 1.4, magnesium oxide 1.4 and water 2.8。
The preparation method of hardening agent is: polyacrylate 3.8, Ammonium persulfate. 2.6, ring ethylene glycol 1.4 and magnesium oxide 1.4 are added to the water, heat while stirring under elevated pressure conditions, pressure is 2.5MPa, mixing time is 15 minutes, it is 90 DEG C that temperature controls, and is finally incubated, and it is 85 DEG C that temperature controls, temperature retention time 12 minutes, can be prepared by described hardening agent。
A kind of preparation method of white glue, including following preparation process:
(1) polyvinyl alcohol 30, sodium acetate 18, Borax 16, formaldehyde 6 and sodium hydroxide 8 being joined vessel in heating, heat time heating time is 18 minutes, stirs after having heated, and mixing time is 11 minutes, and it is 96 DEG C that temperature controls, and obtains mixed liquor a；
(2) mix to calcium carbonate 12, zinc acetate 5, hardening agent 9 and water 15, stir under room temperature, obtain mixed liquor b；
(3) being heated by mixed liquor a, limit heating edge adds mixed liquor b in mixed liquor a, and heat time heating time is 30 minutes, is then incubated, and temperature retention time is 25 minutes, and holding temperature is 100 DEG C, and insulation pressure is 1.9MPa, obtains mixed liquor c；
(4) mixed liquor c putting into drying baker dry 15 minutes, drying temperature is 95 DEG C, can obtain described white glue。
It is demonstrated experimentally that the curing rate of white glue is the fastest under this parameter, heat-resist。
Claims (7)
1. a white glue, it is characterised in that: this white glue is made up of the composition of following weight portion: polyvinyl alcohol 20～30, sodium acetate 10～18, Borax 11～16, formaldehyde 4～6, sodium hydroxide 5～8, calcium carbonate 8～12, zinc acetate 4～5, hardening agent 7～9 and water 10～15。
2. a kind of white glue according to claim 1, it is characterised in that: described hardening agent is made up of the composition of following weight portion: polyacrylate 3.1～3.8, Ammonium persulfate. 2.3～2.6, ring ethylene glycol 1.1～1.4, magnesium oxide 1.2～1.4 and water 2.4～2.8。
3. the preparation method of a hardening agent according to claim 2, it is characterized in that: the preparation method of described hardening agent is: polyacrylate 3.1～3.8, Ammonium persulfate. 2.3～2.6, ring ethylene glycol 1.1～1.4 and magnesium oxide 1.2～1.4 are added to the water, heat while stirring under elevated pressure conditions, pressure is 2.1～2.5MPa, mixing time is 10～15 minutes, it is 80～90 DEG C that temperature controls, finally it is incubated, it is 80～85 DEG C that temperature controls, temperature retention time 8～12 minutes, can be prepared by described hardening agent。
4. the preparation method of a white glue, it is characterised in that: include following preparation process:
(1) polyvinyl alcohol 20～30, sodium acetate 10～18, Borax 11～16, formaldehyde 4～6 and sodium hydroxide 5～8 are joined vessel in heating, heat time heating time is 11～18 minutes, stirs after having heated, and mixing time is 6～11 minutes, it is 85～96 DEG C that temperature controls, and obtains mixed liquor a；
(2) mix to calcium carbonate 8～12, zinc acetate 4～5, hardening agent 7～9 and water 10～15, stir under room temperature, obtain mixed liquor b；
(3) being heated by mixed liquor a, limit heating edge adds mixed liquor b in mixed liquor a, and heat time heating time is 25～30 minutes, is then incubated, and temperature retention time is 20～25 minutes, and holding temperature is 95～100 DEG C, and insulation pressure is 1.5～1.9MPa, obtains mixed liquor c；
(4) mixed liquor c putting into drying baker dry 10～15 minutes, drying temperature is 85～95 DEG C, can obtain described white glue。
5. the preparation method of a kind of white glue according to claim 4, it is characterised in that: include following preparation process:
(1) polyvinyl alcohol 20, sodium acetate 10, Borax 11, formaldehyde 4 and sodium hydroxide 5 being joined vessel in heating, heat time heating time is 11 minutes, stirs after having heated, and mixing time is 6 minutes, and it is 85 DEG C that temperature controls, and obtains mixed liquor a；
(2) mix to calcium carbonate 8, zinc acetate 4, hardening agent 7 and water 10, stir under room temperature, obtain mixed liquor b；
(3) being heated by mixed liquor a, limit heating edge adds mixed liquor b in mixed liquor a, and heat time heating time is 25 minutes, is then incubated, and temperature retention time is 20 minutes, and holding temperature is 95 DEG C, and insulation pressure is 1.5MPa, obtains mixed liquor c；
(4) mixed liquor c putting into drying baker dry 10 minutes, drying temperature is 85 DEG C, can obtain described white glue。
6. the preparation method of a kind of white glue according to claim 4, it is characterised in that: include following preparation process:
(1) polyvinyl alcohol 25, sodium acetate 14, Borax 13, formaldehyde 5 and sodium hydroxide 7 being joined vessel in heating, heat time heating time is 15 minutes, stirs after having heated, and mixing time is 8 minutes, and it is 91 DEG C that temperature controls, and obtains mixed liquor a；
(2) mix to calcium carbonate 10, zinc acetate 5, hardening agent 8 and water 13, stir under room temperature, obtain mixed liquor b；
(3) being heated by mixed liquor a, limit heating edge adds mixed liquor b in mixed liquor a, and heat time heating time is 27 minutes, is then incubated, and temperature retention time is 23 minutes, and holding temperature is 97 DEG C, and insulation pressure is 1.7MPa, obtains mixed liquor c；
(4) mixed liquor c putting into drying baker dry 13 minutes, drying temperature is 90 DEG C, can obtain described white glue。
7. the preparation method of a kind of white glue according to claim 4, it is characterised in that: include following preparation process:
(1) polyvinyl alcohol 30, sodium acetate 18, Borax 16, formaldehyde 6 and sodium hydroxide 8 being joined vessel in heating, heat time heating time is 18 minutes, stirs after having heated, and mixing time is 11 minutes, and it is 96 DEG C that temperature controls, and obtains mixed liquor a；
(2) mix to calcium carbonate 12, zinc acetate 5, hardening agent 9 and water 15, stir under room temperature, obtain mixed liquor b；
(3) being heated by mixed liquor a, limit heating edge adds mixed liquor b in mixed liquor a, and heat time heating time is 30 minutes, is then incubated, and temperature retention time is 25 minutes, and holding temperature is 100 DEG C, and insulation pressure is 1.9MPa, obtains mixed liquor c；
(4) mixed liquor c putting into drying baker dry 15 minutes, drying temperature is 95 DEG C, can obtain described white glue。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610141935.0A CN105694769A (en) | 2016-03-11 | 2016-03-11 | White glue and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610141935.0A CN105694769A (en) | 2016-03-11 | 2016-03-11 | White glue and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105694769A true CN105694769A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610141935.0A Pending CN105694769A (en) | 2016-03-11 | 2016-03-11 | White glue and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195760A (en) * | 2017-04-26 | 2017-09-22 | 安徽欧瑞特照明有限公司 | A kind of LED packaging technologies |
| CN107230740A (en) * | 2017-04-26 | 2017-10-03 | 安徽欧瑞特照明有限公司 | A kind of LED die bonds technique |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168913A (en) * | 1997-03-16 | 1997-12-31 | 熊临卿 | Milky white adhesive |
| CN103122223A (en) * | 2013-02-19 | 2013-05-29 | 赵国洪 | Preparation method of binding agent |
| CN103709967A (en) * | 2013-12-21 | 2014-04-09 | 栾晓健 | Environment-friendly non-toxic white latex |
-
2016
- 2016-03-11 CN CN201610141935.0A patent/CN105694769A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168913A (en) * | 1997-03-16 | 1997-12-31 | 熊临卿 | Milky white adhesive |
| CN103122223A (en) * | 2013-02-19 | 2013-05-29 | 赵国洪 | Preparation method of binding agent |
| CN103709967A (en) * | 2013-12-21 | 2014-04-09 | 栾晓健 | Environment-friendly non-toxic white latex |
Non-Patent Citations (3)
| Title |
|---|
| 徐德林 等: "改性聚乙烯醇缩甲醛胶的合成及应用", 《郑州轻工业学院学报》 * |
| 申艳霞 等: "缩醛化反应研究进展", 《有机化学》 * |
| 黄南平: "关于聚乙烯醇粘合剂交联剂的探索", 《宜春师专学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195760A (en) * | 2017-04-26 | 2017-09-22 | 安徽欧瑞特照明有限公司 | A kind of LED packaging technologies |
| CN107230740A (en) * | 2017-04-26 | 2017-10-03 | 安徽欧瑞特照明有限公司 | A kind of LED die bonds technique |
| CN107230740B (en) * | 2017-04-26 | 2019-09-03 | 安徽欧瑞特照明有限公司 | A kind of LED die bond technique |
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Application publication date: 20160622 |
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