CN101983984B - Elastic body material for refrigerator sealing strips and preparation method thereof - Google Patents
Elastic body material for refrigerator sealing strips and preparation method thereof Download PDFInfo
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- CN101983984B CN101983984B CN2010105078555A CN201010507855A CN101983984B CN 101983984 B CN101983984 B CN 101983984B CN 2010105078555 A CN2010105078555 A CN 2010105078555A CN 201010507855 A CN201010507855 A CN 201010507855A CN 101983984 B CN101983984 B CN 101983984B
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Abstract
The invention discloses an elastic body material for refrigerator sealing strips and preparation method thereof. The elastic body material for refrigerator sealing strips consists of hydrogenation styrene resin, rubber filling oil, polypropylene, mineral filler, weather resistant agent, compatibilizer and processing aids. The elastic body material for refrigerator sealing strips is manufactured by extrusion graining with counter-rotating twin-screw extruder after the raw material is mixed in high-speed mixer. Halogen material and o-benzene plasticizer which is harmful to human health will not be introduced in practical production process of the elastic body material for refrigerator sealing strips. The thermoplastic elastomer material produced in the invention has the advantages of light weight, high resilience, high welding strength, easy colorizing and good low-temperature resistance. There is no need for the treatment of high temperature sulfidation when extrusion moulding is operated with the above material. Decomposion of toxic gas and corrosion of production equipments will not happen during the process of extrusion moulding, and scraps can be recovered and re-used.
Description
Technical field
The present invention relates to the thermoplastic elastic material field, be specifically related to a kind of refrigerator sealed strip with elastomer material and preparation method thereof.
Background technology
The sealed strip product only just can play sealing function under elastic prerequisite, so various for a long time sealed strip product is all continued to use whippy elastomeric material.There is painted difficulty in the elastomeric material of the first-generation, and manufacturing procedure is complicated, and expendable defective.Very fast elastomeric material is just replaced by s-generation PVC sealing material, the PVC sealing material have low price, production technique simple, can high-efficiency and continuous production etc. advantage, become the main flow materials used of present refrigerator sealed strip.But along with the human consumer to the increasingly high requirement of quality, the feature of environmental protection of PVC sealed strip, and the hazardous property of the PVC sealed strip course of processing, defective such as lower temperature resistance difference is exaggerated in the use.So thermoplastic elastomer (TPE; Thermoplastic Elastomer), claim TPR (TPE, Thermoplastic Rubber) again; This novel thermoplastic elastic material becomes the developing direction of third generation refrigerator with sealing strip material.
Relatively with the PVC sealing strip material, aspect environmental protection, thermoplastic elastomer (TPE) material does not add any objectionable impurities to environment and body harmless, low pollution, and nontoxic odorless, and scrap stock can be recycled! Aspect forming process, odorlessness in thermoplastic elastomer (TPE) the forming materials process is guaranteed Manufacturing Worker's health, and material does not have corrodibility to equipment, can reduce the maintenance cost of production unit.Aspect material behavior, advantage such as that thermoplastic elastomer (TPE) material has is in light weight, rebound resilience is high, welding strength good, be easy to colouring, lower temperature resistance is good.In the exploitation of refrigerator sealed strip field thermoplastic elastomer (TPE) material, mainly concentrate on TPU, TPV and TPS three major types material at present.
Competition owing to white domestic appliances market at present is growing more intense, so TPS has obtained sufficient development as a higher material of cost performance in the sealed strip field.But a certain distance is in addition compared all with the PVC material in welding strength, the weathering resistance aspect of TPS class sealed strip at present, and the application of TPS class sealed strip has also received the restriction of above-mentioned factor.
Summary of the invention
The objective of the invention is to overcome the deficiency that the refrigerator sealed strip exists with elastomer material in the prior art; Provide a kind of refrigerator sealed strip to use elastomer material; This material has the advantages that mechanical property is good, rebound resilience is good, welding strength is high, lower temperature resistance is excellent, weathering resistance is high, cost performance is higher; Overcome on the one hand the weak point of PVC material sealed strip, efficiently solved present TPS sealed strip on the other hand and have that welding strength is low, the insufficient problem of weathering resistance.
Another object of the present invention provides a kind of method for preparing above-mentioned refrigerator sealed strip with elastomer material.
Above-mentioned purpose of the present invention is achieved through following technical scheme:
A kind of refrigerator sealed strip is made up of the following component of calculating by weight with elastomer material:
15 ~ 45 parts of hydrogenated styrene resinoids;
15 ~ 60 parts of rubber filling oils;
8 ~ 34 parts of mineral fillers;
8 ~ 38 parts of Vestolen PP 7052;
4 ~ 15 parts of compatilizers;
1 ~ 3 part of weather resisting agent.
Said hydrogenated styrene resinoid is the mixture that high workability hydrogenated styrene resin and low flow hydrogenated styrene resin are formed; Said high workability hydrogenated styrene resin is that weight-average molecular weight is 10 ~ 250,000 hydrogenated styrene resin, and AV is 10 ~ 15PaS; The AV of said low flow hydrogenated styrene resin is 1 ~ 3 PaS; In the said mixture, the content of high workability hydrogenated styrene resin is 20 ~ 55 weight %.
Said rubber filling oil is under 40 ℃, and kinematic viscosity is 120 ~ 160mm
2S
-1High viscosity rubbers extending oil with under 40 ℃, kinematic viscosity is 50 ~ 80mm
2S
-1The mixture formed of low viscosity rubber extending oil; In the said mixture, the content of high viscosity rubbers extending oil is 40 ~ 75 weight %.
Said mineral filler is one or more the mixture in lime carbonate or the talcum powder.
Said Vestolen PP 7052 refers to that for molten copolymerization eutectic at 1 ~ 5g/10min refers to that Vestolen PP 7052 or molten refers at high molten one or more the mixture that refers in the Vestolen PP 7052 of the copolymerization of 25 ~ 30g/10min.
Said compatilizer is a maleic anhydride grafts, and said maleic anhydride grafts is preferably SEBS-MAH, PP-MAH.
Said weather resisting agent is UV-P or UV-531.
Said refrigerator sealed strip can also contain 3 ~ 9 parts of processing aids of mark calculating by weight with elastomer material.
Said auxiliary agent is one or more the mixture in MO, modified silicone resin such as MB50-002, a-Methylstyrene Low-Polymer or the slipping agent.
Said slipping agent is preferably erucicamide.
Said refrigerator sealed strip can also contain 1 ~ 6 part of antiseptic-germicide of mark calculating by weight with elastomer material.
A kind of said refrigerator sealed strip comprises the steps: with the preparation method of elastomer material
(1) at first in high-speed mixer, adds the hydrogenated styrene resinoid that has fully absorbed rubber filling oil; Add compatilizer, Vestolen PP 7052, mineral filler, auxiliary agent, weather resisting agent, antiseptic-germicide then successively; Under 50 ~ 90 ℃, carry out the mixing of 5 ~ 10min, obtain mixing material;
(2) above-mentioned mixing material is mixed through counter rotation twin screw extruder, granulation, packing obtains product.
Compared with prior art, the present invention has following beneficial effect:
(1) elastomer material of the present invention is to be composited by hydrogenated styrene resinoid, rubber filling oil, polypropylene material; Do not introduce any halogen containing material in the production process; Do not introduce the o-benzene plasticiser of any harmful health of human body; That the thermoplastic elastic material of being produced has is in light weight, rebound resilience is high, welding strength good, be easy to colouring, lower temperature resistance is good, advantages such as environmental protection;
(2) microcosmic means such as macroscopical means such as the mechanical property of the present invention through test TPE material, weld bond intensity and DSC, SEM pattern photo; Show with the maleic anhydride grafts to be compatilizer; Can either good consistency be arranged with hydrogenated styrene analog; Have good consistency with acrylic resin, mineral filler again, thereby impel interpenetrating and spreading of macromolecular chain segment, improve the welding strength of material secondary processing;
(3) the present invention matches and good UV-P or the UV-531 weather resisting agent of system consistency through the research of acrylic resin kind and consumption, can improve the weather resistance of product greatly, realizes xenon lamp test 1000 hours, and Δ E (1000h) is still less than 3;
When (4) using elastomer material according to the invention to carry out extrusion moulding, need not pass through high temperature vulcanizedly, extrusion does not have toxic gas to decompose, and can not corrode production unit, and scrap stock can be recycled; MO, organically-modified silicone resin and a-Methylstyrene Low-Polymer can improve the flowability of TPE material, given material good extrude processing characteristics.
Embodiment:
Come further to explain the present invention below in conjunction with embodiment, but embodiment does not do any type of qualification to the present invention.
Embodiment 1
Get 35 parts of SEBS resins, 40 parts of rubber filling oils, 15 parts of acrylic resins, 12 parts of SEBS-MAH, 15 parts in lime carbonate, 3 parts of silicone master batch MB50-002,2 parts of UV-P, 2 parts of Royalguard BC 250 antiseptic-germicides.At first let the SEBS resin fully absorb rubber filling oil then; Add SEBS-MAH, acrylic resin, lime carbonate, MB50-002, UV-P, antiseptic-germicide then successively; In high-speed mixer, carry out the mixing of 9min under 70 ℃; Through counter rotation twin screw extruder granulation under 200-220 ℃ of temperature, pack then.Resulting material gained performance is as shown in table 1.
Table 1 embodiment 1 products obtained therefrom performance
| Performance | Standard | Iu | Product performance |
| Tensile strength | ASTM D412 | MPa | 7.5 |
| Elongation | ASTM D412 | % | 436 |
| Proportion | ASTM D792 | g/cm 3 | 1.03 |
| Shrinking percentage | ASTM D955 | % | 0.6-0.9 |
| The molten finger | ASTM D1238 | g/10min(200℃/5kg） | 1.54 |
| Shore hardness | ASTM D2240 | The A type | 72 |
| Weathering resistance | ISO 4892.2 | ΔE | 2.6 |
| The corner solder pulling force | ASTM D412 | N | 41.7 |
| Brittle point | ASTM D746 | ℃ | -60 |
Embodiment 2
Get 25 parts of SEEPS resins, 35 parts of rubber filling oils, 25 parts of acrylic resins, 10 parts of PP-MAH, 20 parts of talcum powder, 3.5 parts of MB50-002,1 part of UV-P, 3 parts of antiseptic-germicides.At first let the SEBS resin fully absorb rubber filling oil then; Add PP-MAH, acrylic resin, talcum powder, MB50-002, UV-P, Royalguard BC 250 antiseptic-germicides then successively; In high-speed mixer, carry out the mixing of 7min under 90 ℃ of conditions; Through counter rotation twin screw extruder granulation under 200-220 ℃ of temperature, pack then.Resulting material gained performance is as shown in table 2.
Table 2 embodiment 2 products obtained therefrom performances
| Performance | Standard | Iu | Product performance |
| Tensile strength | ASTM D412 | MPa | 8.2 |
| Elongation | ASTM D412 | % | 414 |
| Proportion | ASTM D792 | g/cm 3 | 1.04 |
| Shrinking percentage | ASTM D955 | % | 0.5-0.8 |
| The molten finger | ASTM D1238 | g/10min(200℃/5kg） | 2.24 |
| Shore hardness | ASTM D2240 | The A type | 83 |
| Weathering resistance | ISO 4892.2 | ΔE | 2.9 |
| The corner solder pulling force | ASTM D412 | N | 51.8 |
| Brittle point | ASTM D746 | ℃ | -60 |
Embodiment 3
Get 45 parts of SEPS resins, 50 parts of rubber filling oils, 35 parts of acrylic resins, 15 parts of PP-MAH, 25 parts in lime carbonate, 3 parts of MB50-002,1 part of UV-531,3 parts of antiseptic-germicides.At first let the SEBS resin fully absorb rubber filling oil then; Add PP-MAH, acrylic resin, talcum powder, MB50-002, UV-531, Royalguard BC 250 antiseptic-germicides then successively; In high-speed mixer, carry out the mixing of 7min under 90 ℃ of conditions; Then, pack through counter rotation twin screw extruder granulation under 200-220 ℃ of temperature.Resulting material gained performance is as shown in table 2.
Table 3 embodiment 3 products obtained therefrom performances
| Performance | Standard | Iu | Product performance |
| Tensile strength | ASTM D412 | MPa | 8.8 |
| Elongation | ASTM D412 | % | 406 |
| Proportion | ASTM D792 | g/cm 3 | 1.06 |
| Shrinking percentage | ASTM D955 | % | 0.6-0.9 |
| The molten finger | ASTM D1238 | g/10min(200℃/5kg） | 1.95 |
| Shore hardness | ASTM D2240 | The A type | 81 |
| Weathering resistance | ISO 4892.2 | ΔE | 2.4 |
| The corner solder pulling force | ASTM D412 | N | 47.6 |
| Brittle point | ASTM D746 | ℃ | -60 |
Can find out that from product performance the product of embodiment 1-3 has the mechanical property excellence, the weather resistance that welding strength is good, resistance to low temperature is excellent and good meets the needs in refrigerator sealed strip field.
Claims (9)
1. a refrigerator sealed strip is used elastomer material, it is characterized in that being made up of the following component of calculating by weight:
15 ~ 45 parts of hydrogenated styrene resinoids;
15 ~ 60 parts of rubber filling oils;
8 ~ 34 parts of mineral fillers;
8 ~ 38 parts of Vestolen PP 7052;
4 ~ 15 parts of compatilizers;
1 ~ 3 part of weather resisting agent;
Said hydrogenated styrene resinoid is the mixture that high workability hydrogenated styrene resin and low flow hydrogenated styrene resin are formed; Said high workability hydrogenated styrene resin is that weight-average molecular weight is 10 ~ 250,000 hydrogenated styrene resin, and AV is 10 ~ 15PaS; The AV of said low flow hydrogenated styrene resin is 1 ~ 3 PaS; In the said mixture, the content of high workability hydrogenated styrene resin is 20 ~ 55 weight %.
2. the refrigerator sealed strip is used elastomer material according to claim 1, it is characterized in that said rubber filling oil under 40 ℃, and kinematic viscosity is 120 ~ 160mm
2S
-1High viscosity rubbers extending oil with under 40 ℃, kinematic viscosity is 50 ~ 80mm
2S
-1The mixture formed of low viscosity rubber extending oil; In the said mixture, the content of high viscosity rubbers extending oil is 40 ~ 75 weight %.
3. the refrigerator sealed strip is used elastomer material according to claim 1, it is characterized in that said mineral filler is one or more the mixture in lime carbonate or the talcum powder.
4. the refrigerator sealed strip is used elastomer material according to claim 1, it is characterized in that said Vestolen PP 7052 is that the copolymerization eutectic of 1 ~ 5g/10min refers to that it is high molten one or more the mixture that refers in the Vestolen PP 7052 of the copolymerization of 25 ~ 30g/10min that Vestolen PP 7052 or molten refers to for molten the finger.
5. the refrigerator sealed strip is used elastomer material according to claim 1, it is characterized in that said compatilizer is a maleic anhydride grafts.
6. use elastomer material like the said refrigerator sealed strip of claim 5, it is characterized in that said maleic anhydride grafts is SEBS-MAH or PP-MAH.
7. the refrigerator sealed strip is used elastomer material according to claim 1, it is characterized in that said weather resisting agent is UV-P or UV-531.
8. the refrigerator sealed strip is used elastomer material according to claim 1, it is characterized in that said refrigerator sealed strip also contains 1 ~ 6 part of antiseptic-germicide of mark calculating by weight with elastomer material; 3 ~ 9 parts auxiliary agent; Said auxiliary agent is one or more the mixture in MO, modified silicone resin, a-Methylstyrene Low-Polymer or the slipping agent; Said slipping agent is an erucicamide.
9. the said refrigerator sealed strip of claim 1 is characterized in that comprising the steps: with the preparation method of elastomer material
(1) at first in high-speed mixer, adds the hydrogenated styrene resinoid that has fully absorbed rubber filling oil; Add compatilizer, Vestolen PP 7052, mineral filler, auxiliary agent, weather resisting agent, antiseptic-germicide then successively; Under 50 ~ 90 ℃, carry out the mixing of 5 ~ 10min, obtain mixing material;
(2) above-mentioned mixing material is mixed through counter rotation twin screw extruder, granulation, packing obtains product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105078555A CN101983984B (en) | 2010-10-15 | 2010-10-15 | Elastic body material for refrigerator sealing strips and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105078555A CN101983984B (en) | 2010-10-15 | 2010-10-15 | Elastic body material for refrigerator sealing strips and preparation method thereof |
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| CN101983984A CN101983984A (en) | 2011-03-09 |
| CN101983984B true CN101983984B (en) | 2012-07-18 |
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Families Citing this family (13)
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| CN102344603B (en) * | 2011-10-24 | 2013-07-10 | 浙江俊尔新材料有限公司 | Rubber and plastic sealing material in stable size at high and low temperatures and preparation method thereof |
| CN102634159B (en) * | 2012-04-25 | 2014-03-26 | 深圳达普林科技有限公司 | SEBS (styrenic block copolymer) thermoplastic elastomer and preparation method thereof |
| CN104341687A (en) * | 2013-07-28 | 2015-02-11 | 安徽同丰橡塑工业有限公司 | Rubber strip |
| CN103524977B (en) * | 2013-09-15 | 2016-08-24 | 爱侣健康科技有限公司 | A kind of organic-silicon-modified thermoplastic elastomer (TPE) |
| JP6206293B2 (en) * | 2014-03-28 | 2017-10-04 | 豊田合成株式会社 | Rubber materials and seal parts and hoses |
| CN104817810B (en) * | 2015-05-19 | 2016-03-16 | 中国石油大学(华东) | High welding strength refrigerator sealed strip thermoplastic elastic material and preparation method thereof |
| CN106589762B (en) * | 2016-12-19 | 2019-07-05 | 青岛新材料科技工业园发展有限公司 | It is a kind of easily to weld thermoplastic elastomer (TPE) door seal and preparation method thereof |
| CN106700384A (en) * | 2016-12-30 | 2017-05-24 | 慈溪市山今高分子塑料有限公司 | TPE (thermoplastic elastomer) material for manufacturing refrigerator sealing rubber strips and preparation process of TPE material |
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| CN110819054A (en) * | 2019-11-14 | 2020-02-21 | 珠海格力绿色再生资源有限公司 | Refrigerator elastomer door seal composition and method for preparing door seal based on composition |
| CN111205585B (en) * | 2020-03-09 | 2022-09-16 | 南通大学 | SEBS (styrene-ethylene-butadiene-styrene) elastomer composite material for high-performance refrigerator sealing strip and preparation method thereof |
| CN114316496B (en) * | 2021-12-28 | 2022-09-20 | 南通普力马弹性体技术有限公司 | High-filling scratch-resistant extrusion-grade thermoplastic elastomer material and preparation method thereof |
| CN114605842B (en) * | 2022-04-25 | 2023-08-18 | 安特普工程塑料（苏州）有限公司 | High-fluidity, scratch-resistant and good-touch elastomer and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256226A (en) * | 1990-02-06 | 1993-10-26 | Himont Incorporated | Process for repairing exposed or damaged parts of a plastic coatings on metal tubing by coating or patching the area with an adhesive polymer composition |
| JP2002146154A (en) * | 2000-11-10 | 2002-05-22 | Bridgestone Corp | Exoergic elastomer composition and exoergic sheet |
| CN1803912A (en) * | 2005-12-21 | 2006-07-19 | 上海普利特复合材料有限公司 | Strength and toughness reinforced composite material for automobile console framework |
| CN1966560A (en) * | 2005-11-14 | 2007-05-23 | 上海特伦特高分子材料有限公司 | Thermoplastic elastomer alloy material for manufacturing automobile safe airbag lid |
| CN101033325A (en) * | 2006-03-08 | 2007-09-12 | 广东榕泰实业股份有限公司 | Thermoplastic elastomer compositions and preparation method thereof |
| CN101096440A (en) * | 2007-05-22 | 2008-01-02 | 深圳职业技术学院 | SEBS thermoplastic elastomer floor and manufacturing method thereof |
| CN101100593A (en) * | 2007-05-22 | 2008-01-09 | 深圳职业技术学院 | Environmental protection type SEBS thermoplastic elastic body sealing strip material and preparation method thereof |
| CN101190954A (en) * | 2006-11-28 | 2008-06-04 | 宫相勤 | Preparation method of resin for increasing viscosity and brightness under low temperature |
| CN101838436A (en) * | 2010-06-17 | 2010-09-22 | 深圳职业技术学院 | SEBS thermoplastic elastomer cable insulation material and preparation method thereof |
-
2010
- 2010-10-15 CN CN2010105078555A patent/CN101983984B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256226A (en) * | 1990-02-06 | 1993-10-26 | Himont Incorporated | Process for repairing exposed or damaged parts of a plastic coatings on metal tubing by coating or patching the area with an adhesive polymer composition |
| JP2002146154A (en) * | 2000-11-10 | 2002-05-22 | Bridgestone Corp | Exoergic elastomer composition and exoergic sheet |
| CN1966560A (en) * | 2005-11-14 | 2007-05-23 | 上海特伦特高分子材料有限公司 | Thermoplastic elastomer alloy material for manufacturing automobile safe airbag lid |
| CN1803912A (en) * | 2005-12-21 | 2006-07-19 | 上海普利特复合材料有限公司 | Strength and toughness reinforced composite material for automobile console framework |
| CN101033325A (en) * | 2006-03-08 | 2007-09-12 | 广东榕泰实业股份有限公司 | Thermoplastic elastomer compositions and preparation method thereof |
| CN101190954A (en) * | 2006-11-28 | 2008-06-04 | 宫相勤 | Preparation method of resin for increasing viscosity and brightness under low temperature |
| CN101096440A (en) * | 2007-05-22 | 2008-01-02 | 深圳职业技术学院 | SEBS thermoplastic elastomer floor and manufacturing method thereof |
| CN101100593A (en) * | 2007-05-22 | 2008-01-09 | 深圳职业技术学院 | Environmental protection type SEBS thermoplastic elastic body sealing strip material and preparation method thereof |
| CN101838436A (en) * | 2010-06-17 | 2010-09-22 | 深圳职业技术学院 | SEBS thermoplastic elastomer cable insulation material and preparation method thereof |
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