CN100347238C - ABS modified plastic with high frequency welding performance and method for preparing same - Google Patents
ABS modified plastic with high frequency welding performance and method for preparing same Download PDFInfo
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- CN100347238C CN100347238C CNB2004100845748A CN200410084574A CN100347238C CN 100347238 C CN100347238 C CN 100347238C CN B2004100845748 A CNB2004100845748 A CN B2004100845748A CN 200410084574 A CN200410084574 A CN 200410084574A CN 100347238 C CN100347238 C CN 100347238C
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Abstract
The present invention belongs to the technical field of high molecular materials, more specifically to ABS modified plastic with high-frequency welding performance, and a preparation method thereof. The ABS modified plastics is formed by blending plastic (such as PVC, etc.) with high-frequency welding capability and ABS plastic, wherein the plastic with high-frequency welding capability is used as a main modifying agent. Additionally, the present invention is also added with proper quantities of auxiliary agents, such as heat stabilizers, lubricants, bulking agents, chemical inhibitors, etc. The material can be obtained through the preparation with a one step method or a two step method. The main modifying agents adopted comprise polyvinyl chloride, polyamide, etc. The ABS modified plastics prepared by the present invention has good high-frequency welding performance.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of ABS modified plastics and preparation method thereof with high frequency welding performance.
Background technology
The hight frequency welding of plastics is to utilize high-frequency energy to act on a kind of welding process that the material connecting zone links together material.Hight frequency welding is the result of polar molecule in high-frequency electric field generation frequent vibration.Therefore when welding, as if the plastics between electrode all will reach melted state simultaneously, but are cold because of electrode in fact, can lead away some heats again at the plastics adstante febre, so to be the center the highest and two sides and four sides are minimum for the plastics temperature.This welding to plastics is an ideal very, be a kind of fast, efficient, homogeneous heating, Plastic Welding method easy and simple to handle, and welding strength height, the weld strength that hight frequency welding obtains at last can be equal to mother metal.Just because of have These characteristics, but hight frequency welding can be widely used in the plastics that fields such as automotive industry, medicine equipment, stationery inflation article, big-and-middle-sized object, household electric appliances are used.But can be extremely limited with the plastics variety of hight frequency welding, mainly contain polyvinyl chloride, polymeric amide, polyvinylidene dichloride and rhodia etc., when thermoplasticss such as welding polyvinyl chloride, can demonstrate fully the advantage of hight frequency welding.
ABS is meant the terpolymer of being made up of vinyl cyanide, divinyl, vinylbenzene since ABS to have performance good, the advantage of the low and easy-formation processing of price has become current sales volume maximum, most widely used thermoplastic engineering plastic.Be widely used in industries such as automotive industry, electric industry, light industry household electrical appliances, weaving and building.The electrical insulating property of ABS is good, substantially be not subjected to the influence of temperature, humidity, its insulativity can keep substantially constant in very big frequency range, the dielectric loss coefficient of common ABS is (23 ℃ of 0.008-0.010,1MHz), high frequency welding performance is poor, and the ABS goods will be used hight frequency welding, must itself do modification to the ABS material earlier.
Usually the main method that makes no hight frequency welding ability plastics obtain high frequency welding performance in the document is to be embedded into magnetizer (Chinese patent 87211334) or sensing element (Chinese patent 02115143) in plastic component, and the affiliation that adds of metal or metalloid inserts influences the mechanical property of plastics, more is not suitable for the welding of thin-gage goods.Adopting ABS to come the main purpose of modified PVC in the document is to improve mechanical property and the raising cost performances such as shock strength of PVC, and come the main purpose of modified ABS with PVC is to improve the flame retardant properties of ABS and improve cost performance, and the open report of the high frequency welding performance that stronger plastics such as the high frequency Weldability that adopts PVC and ABS blend improve ABS is not also arranged.
Summary of the invention
The objective of the invention is to propose a kind of ABS modified plastics and preparation method thereof with high frequency welding performance.
The ABS modified plastics with high frequency welding performance that the present invention proposes is made up of with the ABS plastic blend the plastics with hight frequency welding ability (as PVC etc.), and is made ABS plastic obtain high frequency welding performance preferably.Its material component weight share meter is as follows:
100 parts of ABS
Main properties-correcting agent 20-100 part
Thermo-stabilizer 2-10 part
Lubricant 2-10 part
Weighting agent 0-50 part
Oxidation inhibitor 0.1-20 part
Wherein, described ABS is meant the terpolymer of being made up of vinyl cyanide, divinyl, vinylbenzene, and described main properties-correcting agent is meant the plastics with high frequency welding performance, as polyvinyl chloride, polymeric amide etc.
Described thermo-stabilizer is meant in plastic working can suppress or delay polymkeric substance degradation or crosslinked auxiliary agent, as the compound heat stabilizing system of compositions such as lead sulfate tribasic, dibasic lead phosphite, but is not limited only to this.
Described lubricant is meant that plastics are in the course of processing, in order to reduce between polymer molecule and the friction of polymkeric substance and equipment room, to reach the auxiliary agent that increases mobile and release property etc. and add,, but be not limited only to this as stearic acid, barium stearate, lead stearate, paraffin etc.
Described weighting agent is meant and adds the component that is intended in the plastics to reduce cost and improves the dimensional stability of some prescription, as lime carbonate, talcum powder etc., but is not limited only to this.
Described oxidation inhibitor is meant that a class can slow down polymkeric substance autoxidation speed of reaction, suppresses the additive of its performance degradation, as antioxidant 1010 etc., but is not limited only to this.
Preparation process of the present invention is divided two kinds of single stage method and two step methods, and concrete steps are as follows:
(1) single stage method: after ABS, main properties-correcting agent and other auxiliary agent mixed, add forcing machine in homogenizer, be cut into pellet through plastic grain cutting machine again at 160-200 ℃ of left and right sides melt blending.
(2) two step method: after main properties-correcting agent and other auxiliary agent mixed in homogenizer; adding forcing machine mixes about 150-190 ℃; be cut into pellet through plastic grain cutting machine; after again this pellet and ABS being mixed; add forcing machine at 160-200 ℃ of left and right sides melt blending, be cut into pellet through dicing machine.
The ABS modified plastics that is prepared by the present invention has high frequency welding performance preferably, and relevant test data is seen shown in the embodiment.
Embodiment
Following examples are only for further specifying the present invention, are not violating under the purport of the present invention, and the present invention should be not limited to the content that following experimental example is specifically expressed.
Embodiment 1
Raw materials used as follows:
ABS plastic, orchidization 301, Lanzhou chemical industrial company product.
Polyvinyl chloride (PVC), HS-1000 type, plastics company limited of Suzhou China Soviet Union product.
Lead sulfate tribasic, the Shanghai excessive additives for plastics cooperative venture of China product.
Dibasic lead phosphite, the Shanghai excessive additives for plastics cooperative venture of China product.
Stearic acid, magnificent chemical color is capable provides for Shanghai literary composition.
Lead stearate, magnificent chemical color is capable provides for Shanghai literary composition.
Barium stearate, magnificent chemical color is capable provides for Shanghai literary composition.
Oxidic polyethylene, the Shanghai excessive additives for plastics cooperative venture of China product.
Calcium carbonate superfine powder, Shanghai lime carbonate factory product.
Antioxidant 1010, the difficult to understand beautiful desertification worker pigment dye in Shanghai company provides.
Raw materials used proportioning is as follows:
100 parts of ABS (weight)
80 parts of PVC (weight)
2.4 parts of lead sulfate tribasics (weight)
1.6 parts of dibasic lead phosphites (weight)
0.4 part of stearic acid (weight)
0.4 part of lead stearate (weight)
0.4 part of barium stearate (weight)
0.4 part of oxidic polyethylene (weight)
10 parts of calcium carbonate superfine powders (weight)
0.4 part of antioxidant 1010 (weight)
The preparation of ABS modifying material:
After by said ratio main properties-correcting agent PVC and other auxiliary agent being mixed in homogenizer; adding forcing machine mixes about 150-175 ℃; be cut into pellet through plastic grain cutting machine; after again this pellet and ABS being mixed; add forcing machine at 160-190 ℃ of left and right sides melt blending, be cut into pellet through dicing machine.
The performance of ABS modifying material:
(1) the ABS modifying material is made according to the ISO standard test batten with injector, the tensile strength of batten is pressed ISO527 and is measured, and rate of extension is 50mm/min, and test result such as table 1 are listed.
(2) shock strength of ABS modifying material batten is pressed ISO180 mensuration, and test result such as table 1 are listed.
(3) vicat softening temperature of ABS modifying material batten is pressed ISO 306B mensuration, and the intensification medium is a silicone oil, and temperature rise rate is 12 ℃/6min, and test result such as table 1 are listed.
(4) the ABS modifying material is made the thin slice that thickness is 0.5mm with injector, adopt high frequency plastic welding machine welding print, adopt universal testing machine to stretch the good print of welding, find that most fractures all outside the welding zone, show that it has high frequency welding performance preferably to fracture.
Embodiment 2
The proportioning of raw materials used weight share is as follows:
100 parts of ABS (weight)
50 parts of PVC (weight)
1.5 parts of lead sulfate tribasics (weight)
1.0 parts of dibasic lead phosphites (weight)
0.25 part of stearic acid (weight)
0.25 part of lead stearate (weight)
0.25 part of barium stearate (weight)
0.25 part in paraffin (weight)
0.25 part of antioxidant 1010 (weight)
The preparation of ABS modifying material:
After by said ratio ABS, main properties-correcting agent PVC and other auxiliary agent being mixed in homogenizer, the adding forcing machine mixes about 150-200 ℃, is cut into pellet through plastic grain cutting machine.
Its performance test methods is shown in embodiment 1, and performance such as table 1 are listed.
Embodiment 3
The proportioning of raw materials used weight share is as follows:
100 parts of ABS (weight)
30 parts of PVC (weight)
0.9 part of lead sulfate tribasic (weight)
0.6 part of dibasic lead phosphite (weight)
0.15 part of stearic acid (weight)
0.15 part of lead stearate (weight)
0.15 part of barium stearate (weight)
0.15 part of oxidic polyethylene (weight)
0.15 part of antioxidant 1010 (weight)
The preparation of ABS modifying material:
After by said ratio main properties-correcting agent PVC and other auxiliary agent being mixed in homogenizer; adding forcing machine mixes about 150-175 ℃; be cut into pellet through plastic grain cutting machine; after again this pellet and ABS being mixed; add forcing machine at 170-210 ℃ of left and right sides melt blending, be cut into pellet through dicing machine.
Its performance test methods is shown in embodiment 1, and performance such as table 1 are listed.
In the foregoing description, the parameter of each component raw material and consumption and preparation process only is the representative of choosing in order to describe the present invention.In fact a large amount of experiments show, in summary of the invention part institute restricted portion, all can obtain the modified ABS plastics with the similar performance of the foregoing description.
Table 1
| (ISO 527, MPa) for tensile strength | Notched Izod impact strength (ISO527, KJ/m 2) | Vicat softening point (ISO 306B, ℃) | The stretching fracture of weldment | |
| Embodiment 1 | 39.1 | 9.1 | 93 | Outside the welding zone |
| Embodiment 2 | 39.9 | 9.0 | 94 | Outside the welding zone |
| Embodiment 3 | 41.6 | 9.3 | 96 | Outside the welding zone |
Claims (6)
1, a kind of ABS modified plastics with high frequency welding performance is characterized in that the component weight share meter of raw material is as follows:
100 parts of ABS,
Main properties-correcting agent 20-100 part,
Thermo-stabilizer 2-10 part,
Lubricant 2-10 part,
Weighting agent 0-50 part,
Oxidation inhibitor 0.1-20 part,
Wherein, described ABS is meant the terpolymer of being made up of vinyl cyanide, divinyl, vinylbenzene, and described main properties-correcting agent is polyvinyl chloride or polymeric amide.
2. ABS modified plastics according to claim 1 is characterized in that the compound heat stabilizing system that described thermo-stabilizer adopts lead sulfate tribasic, dibasic lead phosphite to form.
3. ABS modified plastics according to claim 1 is characterized in that described lubricant adopts stearic acid, aluminum stearate, barium stearate or paraffin.
4. ABS modified plastics according to claim 1 is characterized in that described weighting agent adopts CaCO
3Or talcum powder.
5. ABS modified plastics according to claim 1 is characterized in that described oxidation inhibitor adopts antioxidant 1010.
6. the preparation method of an ABS modified plastics as claimed in claim 1 is characterized in that adopting a kind of of following single stage method or two step method:
(1) single stage method: ABS, main properties-correcting agent and other auxiliary agent weight share ratio after stirrer for mixing, are added forcing machine at 160-200 ℃ of melt blending, be cut into pellet through plastic grain cutting machine again;
(2) two step method: with main properties-correcting agent and other auxiliary agent weight share ratio after stirrer for mixing; adding forcing machine mixes at 150-190 ℃; be cut into pellet through plastic grain cutting machine; after again this pellet and ABS being mixed; add forcing machine at 160-200 ℃ of melt blending, be cut into pellet through dicing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100845748A CN100347238C (en) | 2004-11-25 | 2004-11-25 | ABS modified plastic with high frequency welding performance and method for preparing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100845748A CN100347238C (en) | 2004-11-25 | 2004-11-25 | ABS modified plastic with high frequency welding performance and method for preparing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1631971A CN1631971A (en) | 2005-06-29 |
| CN100347238C true CN100347238C (en) | 2007-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100845748A Expired - Fee Related CN100347238C (en) | 2004-11-25 | 2004-11-25 | ABS modified plastic with high frequency welding performance and method for preparing same |
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| CN111154220A (en) * | 2019-12-28 | 2020-05-15 | 会通新材料股份有限公司 | High-frequency welding ABS composite material for automobile sun shield and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04232028A (en) * | 1990-12-28 | 1992-08-20 | Nippon Steel Corp | Method of fusing thermoplastic resin material by radio-frequency heating |
| JPH09220765A (en) * | 1996-02-19 | 1997-08-26 | Three Bond Co Ltd | High frequency thermal bonding method of non-polar resin and its laminate |
| CN1164465A (en) * | 1996-03-16 | 1997-11-12 | 赫彻斯特特维拉有限公司及两合公司 | High-frequency welding method for initially melting or completely melting formed structure member containing polyester and application of said polyesters |
| US20040077791A1 (en) * | 2002-10-17 | 2004-04-22 | Issum Ernst Van | High-frequency welding of non-polar thermoplastic rubbers |
-
2004
- 2004-11-25 CN CNB2004100845748A patent/CN100347238C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04232028A (en) * | 1990-12-28 | 1992-08-20 | Nippon Steel Corp | Method of fusing thermoplastic resin material by radio-frequency heating |
| JPH09220765A (en) * | 1996-02-19 | 1997-08-26 | Three Bond Co Ltd | High frequency thermal bonding method of non-polar resin and its laminate |
| CN1164465A (en) * | 1996-03-16 | 1997-11-12 | 赫彻斯特特维拉有限公司及两合公司 | High-frequency welding method for initially melting or completely melting formed structure member containing polyester and application of said polyesters |
| US20040077791A1 (en) * | 2002-10-17 | 2004-04-22 | Issum Ernst Van | High-frequency welding of non-polar thermoplastic rubbers |
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| CN1631971A (en) | 2005-06-29 |
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Assignee: Runjia Engineering Plastic Co., Ltd., Suzhou Industry Zone Assignor: Tongji University Contract record no.: 2010320000902 Denomination of invention: ABS modified plastic with high frequency welding performance and method for preparing same Granted publication date: 20071107 License type: Exclusive License Open date: 20050629 Record date: 20100712 |
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Granted publication date: 20071107 Termination date: 20141125 |
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