CN103555213A - Surface treatment method and connection method of homo-polyformaldehyde plastic part - Google Patents
Surface treatment method and connection method of homo-polyformaldehyde plastic part Download PDFInfo
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- CN103555213A CN103555213A CN201310465422.1A CN201310465422A CN103555213A CN 103555213 A CN103555213 A CN 103555213A CN 201310465422 A CN201310465422 A CN 201310465422A CN 103555213 A CN103555213 A CN 103555213A
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- parts
- plastic component
- temperature
- surface treatment
- acefal homopolymer
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- 239000004033 plastic Substances 0.000 title claims abstract description 71
- 229920003023 plastic Polymers 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000004381 surface treatment Methods 0.000 title claims abstract description 21
- 229920006324 polyoxymethylene Polymers 0.000 title abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 27
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 10
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims abstract description 10
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims abstract description 5
- 229920001519 homopolymer Polymers 0.000 claims description 47
- 239000000243 solution Substances 0.000 claims description 27
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 24
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 12
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 claims description 12
- FEPBITJSIHRMRT-UHFFFAOYSA-N 4-hydroxybenzenesulfonic acid Chemical compound OC1=CC=C(S(O)(=O)=O)C=C1 FEPBITJSIHRMRT-UHFFFAOYSA-N 0.000 claims description 12
- 101000648997 Homo sapiens Tripartite motif-containing protein 44 Proteins 0.000 claims description 12
- 102100028017 Tripartite motif-containing protein 44 Human genes 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 235000011194 food seasoning agent Nutrition 0.000 claims description 8
- 230000002000 scavenging effect Effects 0.000 claims description 8
- 238000004528 spin coating Methods 0.000 claims description 8
- 239000012153 distilled water Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 229950011008 tetrachloroethylene Drugs 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical group C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 1
- 241000024287 Areas Species 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a surface treatment method of a homo-polyformaldehyde plastic part, and the surface treatment method comprises the following steps: (a) using gauze for friction of a plastic part; (b) cleaning the plastic part with acetone; (c) cleaning the plastic part with a sodium hydroxide solution with the concentration of 5-10% for 1-2min; (d) immersing the plastic part in a solution A with the temperature of 90-110 DEG C for 1-2min; wherein the solution A, by weight, containing 80-90 parts of perchlorethylene, 8-12 parts of 1,4-dioxane, and 0.1-0.4 part of p-toluenesulfonic acid; taking the plastic part out and baking in an oven with the temperature of 120-150 DEG C for 2-5min; and (e) washing by using hot water with the temperature of 60-70 DEG C and drying by using hot air with the temperature of 80-100 DEG C. The invention also discloses a connection method using an adhesive to bond the homo-polyformaldehyde plastic part and including the steps of the surface treatment method.
Description
Technical field
The present invention relates to acefal homopolymer plastic component technical field of surface, relate in particular to a kind of surface treatment method and the method for attachment of acefal homopolymer plastic component of acefal homopolymer plastic component.
Background technology
Acefal homopolymer is a kind of thermoplastic resin, is also a kind of important engineering plastics.By trioxymethylene catalyzed polymerization end-blocking, made, also can be made by refining formaldehyde gas catalyzed polymerization, but be main mainly with front method.The polymkeric substance that molecular backbone chain is comprised of single structural unit.Available injection moulding, extrusion molding, blow molding process forming process.Acefal homopolymer plastics are mainly as gear, and cam, bearing, lining, packing ring, valve, liquid conducting pipes, handle, slide fastener, anticorrosion container etc., also can be used for the aspects such as automobile, machinery, instrument, agricultural machinery, chemical industry, building and household supplies.
In some Application Areass of acefal homopolymer plastic component, due to upper with design economically, can not produce Unitarily molded goods, therefore, in large-scale or complicated apparatus, need a plurality of acefal homopolymer plastic component interconnect combination.In various methods of attachment between acefal homopolymer plastic component, stick with glue agent bonding effective means the most often.In a lot of application, owing to sticking with glue agent, replace metal fastenings, thereby reduced product cost, alleviate installation weight, and also extended work-ing life in some cases.In order to obtain satisfied cohesive strength, before bonding, need PBT plastic component to process so that binding agent is fully wetting and with its surface bonding.
Summary of the invention
In view of the deficiencies in the prior art, the invention provides a kind of surface treatment method of acefal homopolymer plastic component, and the method for attachment between a kind of acefal homopolymer plastic component is provided.Method technique provided by the invention is simple, and operating cost is low, is suitable for large-scale industrial production.
The technical solution adopted for the present invention to solve the technical problems is: a kind of surface treatment method of acefal homopolymer plastic component, comprises step:
(a) use the rub surface of described plastic component of gauze;
(b) with acetone, clean the surface of described plastic component, after drying, use high pressure air rifle to purge;
(c) sodium hydroxide solution that employing concentration is 5~10% cleans the surface of described plastic component, and scavenging period is 1~2min; Then use distilled water to clean, at room temperature seasoning in air;
(d) described plastic component being immersed in to temperature is 1~2min in the solution A of 90~110 ℃; Wherein, in described solution A, calculate by weight, contain 80~90 parts of tetrachloroethylenes, 8~12 parts of Isosorbide-5-Nitrae-dioxan, 0.1~0.4 part of tosic acid; After taking-up, in temperature, be the oven for baking 2~5min of 120~150 ℃;
(e) with temperature be 60~70 ℃ hot water injection then use temperature be the hot-air seasoning of 80~100 ℃.
Preferably, in step (c), the concentration of sodium hydroxide solution is 5%, and scavenging period is 2min.
Preferably, in step (c), the concentration of sodium hydroxide solution is 10%, and scavenging period is 1min.
Preferably, in step (d), in described solution A, calculate by weight, contain 80 parts of tetrachloroethylenes, 8 parts of Isosorbide-5-Nitrae-dioxan, 0.1 part of tosic acid; The temperature of described solution A is 110 ℃, and soak time is 2min.
Preferably, in step (d), in described solution A, calculate by weight, contain 90 parts of tetrachloroethylenes, 12 parts of Isosorbide-5-Nitrae-dioxan, 0.4 part of tosic acid; The temperature of described solution A is 90 ℃, and soak time is 1min.
Another aspect of the present invention has been to provide the method for attachment between a kind of acefal homopolymer plastic component, comprises step:
(1) adopt method as above to process the surface of acefal homopolymer plastic component;
(2) adopt tackiness agent to bond to acefal homopolymer plastic component: at the junction of two acefal homopolymer plastic component spin coating tackiness agent; Wherein, described tackiness agent is the mixture of methylene dichloride, ethylene chloride, p-hydroxybenzenyl sulfonate and oxidation diisopropylbenzene(DIPB); In described mixture, calculate by weight, contain 90~100 parts of methylene dichloride, 60~80 parts of ethylene chlorides, 5~8 parts of p-hydroxybenzenyl sulfonates, 5~10 portions of oxidation diisopropylbenzene(DIPB)s.
Preferably, in described mixture, calculate by weight, contain 90 parts of methylene dichloride, 80 parts of ethylene chlorides, 8 parts of p-hydroxybenzenyl sulfonates, 5 portions of oxidation diisopropylbenzene(DIPB)s.
Preferably, in described mixture, calculate by weight, contain 100 parts of methylene dichloride, 60 parts of ethylene chlorides, 5 parts of p-hydroxybenzenyl sulfonates, 10 portions of oxidation diisopropylbenzene(DIPB)s.
Preferably, the method also comprises step, and the acefal homopolymer plastic component after spin coating tackiness agent is dried at the temperature of 120~140 ℃.
The surface treatment method of acefal homopolymer plastic component provided by the invention, make acefal homopolymer plastic component surface clean clean and tidy, there is stronger binding ability, after carrying out aforesaid surface treatment, prepared a kind of tackiness agent, adopt this tackiness agent to boning between acefal homopolymer plastic component, the connection between acefal homopolymer plastic component has very high bonding strength.
Embodiment
The present invention is further detailed explanation in conjunction with specific embodiments now.
Embodiment 1
First the present embodiment has carried out surface treatment to acefal homopolymer plastic component, then adopts tackiness agent to boning between acefal homopolymer plastic component.
The surface treatment method that acefal homopolymer plastic component is carried out comprises step:
(a) use the rub surface of described plastic component of gauze;
(b) with acetone, clean the surface of described plastic component, after drying, use high pressure air rifle to purge;
(c) sodium hydroxide solution that employing concentration is 5% cleans the surface of described plastic component, and scavenging period is 2min; Then use distilled water to clean, at room temperature seasoning in air;
(d) described plastic component is immersed in solution A; Wherein, in described solution A, calculate by weight, contain 80 parts of tetrachloroethylenes, 8 parts of Isosorbide-5-Nitrae-dioxan, 0.1 part of tosic acid; The temperature of described solution A is 110 ℃, and soak time is 2min; After taking-up, in temperature, be the oven for baking 2min of 150 ℃;
(e) with temperature be 60~70 ℃ hot water injection then use temperature be the hot-air seasoning of 80 ℃.
After completing above-mentioned steps, adopt tackiness agent to bond to acefal homopolymer plastic component: at the junction of two acefal homopolymer plastic component spin coating tackiness agent; Wherein, described tackiness agent is the mixture of methylene dichloride, ethylene chloride, p-hydroxybenzenyl sulfonate and oxidation diisopropylbenzene(DIPB); In described mixture, calculate by weight, contain 90 parts of methylene dichloride, 80 parts of ethylene chlorides, 8 parts of p-hydroxybenzenyl sulfonates, 5 portions of oxidation diisopropylbenzene(DIPB)s; Finally the acefal homopolymer plastic component after spin coating tackiness agent is dried at the temperature of 120 ℃.
Adopt above method to boning between acefal homopolymer plastic component, the connection between acefal homopolymer plastic component has very high bonding strength.
Embodiment 2
The present embodiment first to the carrying out of acefal homopolymer plastic component surface treatment, then adopt tackiness agent to boning between acefal homopolymer plastic component.
Surface treatment method to the carrying out of acefal homopolymer plastic component comprises step:
(a) use the rub surface of described plastic component of gauze;
(b) with acetone, clean the surface of described plastic component, after drying, use high pressure air rifle to purge;
(c) sodium hydroxide solution that employing concentration is 10% cleans the surface of described plastic component, and scavenging period is 1min; Then use distilled water to clean, at room temperature seasoning in air;
(d) described plastic component is immersed in solution A; Wherein, in described solution A, calculate by weight, contain 90 parts of tetrachloroethylenes, 12 parts of Isosorbide-5-Nitrae-dioxan, 0.4 part of tosic acid; The temperature of described solution A is 90 ℃, and soak time is 1min; After taking-up, in temperature, be the oven for baking 5min of 120 ℃;
(e) with temperature be 60~70 ℃ hot water injection then use temperature be the hot-air seasoning of 100 ℃.
After completing above-mentioned steps, adopt tackiness agent to bond to acefal homopolymer plastic component: at the junction of two acefal homopolymer plastic component spin coating tackiness agent; Wherein, described tackiness agent is the mixture of methylene dichloride, ethylene chloride, p-hydroxybenzenyl sulfonate and oxidation diisopropylbenzene(DIPB); In described mixture, calculate by weight, contain 100 parts of methylene dichloride, 60 parts of ethylene chlorides, 5 parts of p-hydroxybenzenyl sulfonates, 10 portions of oxidation diisopropylbenzene(DIPB)s; Finally the acefal homopolymer plastic component after spin coating tackiness agent is dried at the temperature of 140 ℃.
Adopt above method to boning between acefal homopolymer plastic component, the connection between acefal homopolymer plastic component has very high bonding strength.
More than comprehensive, the surface treatment method of acefal homopolymer plastic component provided by the invention, make acefal homopolymer plastic component surface clean clean and tidy, there is stronger binding ability, after carrying out aforesaid surface treatment, prepared a kind of tackiness agent, adopted this tackiness agent to boning between acefal homopolymer plastic component, the connection between acefal homopolymer plastic component has very high bonding strength.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to claim scope.
Claims (9)
1. a surface treatment method for acefal homopolymer plastic component, is characterized in that, comprises step:
(a) use the rub surface of described plastic component of gauze;
(b) with acetone, clean the surface of described plastic component, after drying, use high pressure air rifle to purge;
(c) sodium hydroxide solution that employing concentration is 5~10% cleans the surface of described plastic component, and scavenging period is 1~2min; Then use distilled water to clean, at room temperature seasoning in air;
(d) described plastic component being immersed in to temperature is 1~2min in the solution A of 90~110 ℃; Wherein, in described solution A, calculate by weight, contain 80~90 parts of tetrachloroethylenes, 8~12 parts of Isosorbide-5-Nitrae-dioxan, 0.1~0.4 part of tosic acid; After taking-up, in temperature, be the oven for baking 2~5min of 120~150 ℃;
(e) with temperature be 60~70 ℃ hot water injection then use temperature be the hot-air seasoning of 80~100 ℃.
2. surface treatment method according to claim 1, is characterized in that, in step (c), the concentration of sodium hydroxide solution is 5%, and scavenging period is 2min.
3. surface treatment method according to claim 1, is characterized in that, in step (c), the concentration of sodium hydroxide solution is 10%, and scavenging period is 1min.
4. surface treatment method according to claim 1, is characterized in that, in step (d), in described solution A, calculates by weight, and contains 80 parts of tetrachloroethylenes, 8 parts of Isosorbide-5-Nitrae-dioxan, 0.1 part of tosic acid; The temperature of described solution A is 110 ℃, and soak time is 2min.
5. surface treatment method according to claim 1, is characterized in that, in step (d), in described solution A, calculates by weight, and contains 90 parts of tetrachloroethylenes, 12 parts of Isosorbide-5-Nitrae-dioxan, 0.4 part of tosic acid; The temperature of described solution A is 90 ℃, and soak time is 1min.
6. the method for attachment between acefal homopolymer plastic component, comprises step:
(1) adopt the method as described in as arbitrary in claim 1-5 to process the surface of acefal homopolymer plastic component;
(2) adopt tackiness agent to bond to acefal homopolymer plastic component: at the junction of two acefal homopolymer plastic component spin coating tackiness agent; Wherein, described tackiness agent is the mixture of methylene dichloride, ethylene chloride, p-hydroxybenzenyl sulfonate and oxidation diisopropylbenzene(DIPB); In described mixture, calculate by weight, contain 90~100 parts of methylene dichloride, 60~80 parts of ethylene chlorides, 5~8 parts of p-hydroxybenzenyl sulfonates, 5~10 portions of oxidation diisopropylbenzene(DIPB)s.
7. method of attachment according to claim 6, is characterized in that, in described mixture, calculates by weight, and contains 90 parts of methylene dichloride, 80 parts of ethylene chlorides, 8 parts of p-hydroxybenzenyl sulfonates, 5 portions of oxidation diisopropylbenzene(DIPB)s.
8. method of attachment according to claim 6, is characterized in that, in described mixture, calculates by weight, and contains 100 parts of methylene dichloride, 60 parts of ethylene chlorides, 5 parts of p-hydroxybenzenyl sulfonates, 10 portions of oxidation diisopropylbenzene(DIPB)s.
9. method of attachment according to claim 6, is characterized in that, the method also comprises step, and the acefal homopolymer plastic component after spin coating tackiness agent is dried at the temperature of 120~140 ℃.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310465422.1A CN103555213A (en) | 2013-10-08 | 2013-10-08 | Surface treatment method and connection method of homo-polyformaldehyde plastic part |
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CN201310465422.1A CN103555213A (en) | 2013-10-08 | 2013-10-08 | Surface treatment method and connection method of homo-polyformaldehyde plastic part |
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CN201310465422.1A Pending CN103555213A (en) | 2013-10-08 | 2013-10-08 | Surface treatment method and connection method of homo-polyformaldehyde plastic part |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108783773A (en) * | 2018-07-19 | 2018-11-13 | 浙江伟星实业发展股份有限公司 | A kind for the treatment of process and delrin zippers with pulllers increasing color fastness in delrin zippers with pulllers chain tooth |
CN115960679A (en) * | 2022-12-13 | 2023-04-14 | 唐山中浩化工有限公司 | Cleaning solution for reducing formaldehyde content in polyformaldehyde and use method thereof |
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2013
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108783773A (en) * | 2018-07-19 | 2018-11-13 | 浙江伟星实业发展股份有限公司 | A kind for the treatment of process and delrin zippers with pulllers increasing color fastness in delrin zippers with pulllers chain tooth |
CN108783773B (en) * | 2018-07-19 | 2021-05-07 | 浙江伟星实业发展股份有限公司 | Treatment process for increasing color fastness of plastic steel zipper teeth and plastic steel zipper |
CN115960679A (en) * | 2022-12-13 | 2023-04-14 | 唐山中浩化工有限公司 | Cleaning solution for reducing formaldehyde content in polyformaldehyde and use method thereof |
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Application publication date: 20140205 |