CN104927316B - A kind of high heat-resisting composite and preparation method thereof - Google Patents
A kind of high heat-resisting composite and preparation method thereof Download PDFInfo
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- CN104927316B CN104927316B CN201510362029.9A CN201510362029A CN104927316B CN 104927316 B CN104927316 B CN 104927316B CN 201510362029 A CN201510362029 A CN 201510362029A CN 104927316 B CN104927316 B CN 104927316B
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Abstract
The present invention discloses a kind of high heat-resisting composite, it specifically includes the raw material of following parts by weight: poly terephthalic acid 1,4 cyclohexanedimethanoester esters (PCT) 40～60 parts, nanometer calcium sulfate 20～40 parts, polyoxy dimethylbenzene (PPE) 8～13 parts, plasticiser 6～10 parts, antioxidant 0.5～1 part, lubricant 2～6 parts, the gross weight number of described raw material is 100 parts, the present invention discloses the preparation method of a kind of high heat-resisting composite.The PCT resin that the present invention uses heat resistance good is matrix, coordinate remaining to strengthen and add raw material, gained composite has excellent toughness, mechanical performance and corrosion resistance, and gained composite continuous uses temperature range between 140～155 DEG C, has the heat resistance of heat resistant type composite and the most objectively promotes.
Description
Technical field
The present invention relates to the preparation field of composite, be specifically related to good composite of a kind of thermostability and preparation method thereof.
Background technology
At present, the application of the composite with thermoplastic as matrix is throughout industry, agricultural, the every field of life, and main thermoplastic (PP, PVC, PS, PET, LDPE, HDPE) total amount in the whole world has reached several hundred million tons of meters in recent years.Major part thermoplastic articles begins to decomposite poisonous and harmful substance when temperature is more than 80 DEG C, and therefore the application of flame retarded thermoplastic's plastic composite material formula is more and more extensive.But, now a lot of Flame-retardant composite material produce toxic gas and cause poison and flue gas in fire to suffocate human body side effect when materials pyrolysis, the serious physical and mental health damaging people, environmental-protecting performance is the most undesirable, and the heat resistance to composite that adds of flame retarded formulations does not increase significantly.The PET material of existing heat resistance relative good also there will be the degradation of performance when life-time service temperature more than 120 DEG C.Therefore, the thermoplastic plastic composite material researching and developing more high-fire resistance energy will widen the range of application of composite, also become a kind of needs of development in science and technology.
Summary of the invention
The present invention is directed to prior art deficiency and provide a kind of composite with high-fire resistance energy and preparation method thereof.
The present invention solves the technical scheme of above-mentioned technical problem employing:
A kind of high heat-resisting composite of the present invention, raw material including following parts by weight: poly terephthalic acid 1,4-cyclohexanedimethanoester ester (PCT) 40～60 parts, nanometer calcium sulfate 20～40 parts, polyoxy dimethylbenzene (PPE) 8～13 parts, plasticiser 6～10 parts, antioxidant 0.5～1 part, lubricant 2～6 parts, the gross weight number of described raw material is 100 parts.
Described plasticiser is phthalic acid salt plasticiser.
Described antioxidant is the one in antioxidant 1010, antioxidant TNP, antioxidant TPP or its compound.
Described lubricant is paraffin or stearic acid, or paraffin and stearic compound.
The high heat-resisting composite of described one, its preparation method comprises the following steps:
A. it is on the waiting list described raw material by described parts by weight, is placed in high-speed mixer premix 5～10min, mix homogeneously, obtains premix raw material；
B. step a gained premix raw material is placed in the double screw extruder of cocurrent and parallel melted, extrusion, pelletize, concrete technology parameter is as follows: district's temperature 245 DEG C, two district's temperature 255 DEG C, three district's temperature 260 DEG C, four district's temperature 265 DEG C, five district's temperature 265 DEG C, six district's temperature 270 DEG C, seven district's temperature 270 DEG C, melt temperature 270 DEG C, head temperature 265 DEG C, pressure 4MPa.
The high heat-resisting composite of the present invention uses the poly terephthalic acid 1 that heat resistance is good, 4-cyclohexanedimethanoester ester (PCT) resin is matrix, coordinate remaining to strengthen and add raw material, gained composite has excellent toughness, mechanical performance and corrosion resistance, and gained composite continuous uses temperature range between 140～155 DEG C, has the heat resistance of heat resistant type composite and the most objectively promotes.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further.
A kind of high heat-resisting composite, is made up of the raw material of the parts by weight in embodiment listed by table 1 respectively:
Table 1. embodiment 1～5 raw material components table (parts by weight)
| Embodiment | PCT | Nanometer calcium sulfate | PPE | Plasticiser | Antioxidant | Lubricant |
| ① | 40 | 40 | 8 | 6 | 1 | 5 |
| ② | 60 | 23 | 8 | 6 | 1 | 2 |
| ③ | 45 | 25 | 13 | 10 | 1 | 6 |
| ④ | 50 | 30 | 10 | 7 | 0.5 | 2.5 |
| ⑤ | 44 | 31 | 11 | 9 | 0.7 | 4.3 |
The high heat-resisting composite of one described in above example, its preparation method comprises the following steps:
A. by embodiment, 1.～5. described parts by weight are on the waiting list described raw material, are placed in high-speed mixer premixing, between incorporation time 5～10min, and mix homogeneously, obtain premix raw material；
B. step a gained premix raw material is placed in the double screw extruder of cocurrent and parallel melted, extrusion, pelletize, concrete technology parameter is as follows: district's temperature 245 DEG C, two district's temperature 255 DEG C, three district's temperature 260 DEG C, four district's temperature 265 DEG C, five district's temperature 265 DEG C, six district's temperature 270 DEG C, seven district's temperature 270 DEG C, melt temperature 270 DEG C, head temperature 265 DEG C, pressure 4MPa.
Embodiment of the present invention products obtained therefrom carries out performance test, and gained the performance test results is as shown in table 2.
Table 2. embodiment 1.～5. products obtained therefrom the performance test results data.
| Performance | Testing standard | Embodiment is 1. | Embodiment is 2. | Embodiment is 3. | Embodiment is 4. | Embodiment is 5. | Comparative example * |
| Hot strength MPa | GB/T 1040-1992 | 138 | 151 | 167 | 173 | 164 | 113 |
| Bending strength MPa | GB/T 9341-2000 | 165 | 171 | 190 | 201 | 187 | 128 |
| Refractoriness under load DEG C | GB/T 6989-1998 | 233 | 225 | 231 | 235 | 228 | 180 |
* comparative example is the PET material that conventional heat resistance is good.
Claims (4)
1. a high heat-resisting composite, it is characterized in that, raw material including following parts by weight: poly terephthalic acid 1,4-cyclohexanedimethanoester ester 40～60 parts, nanometer calcium sulfate 20～40 parts, polyphenylene oxide 8～13 parts, plasticiser 6～10 parts, antioxidant 0.5～1 part, lubricant 2～6 parts, the gross weight number of described raw material is 100 parts.
2. according to the high heat-resisting composite of the one described in claim 1, it is characterised in that described plasticiser is phthalic acid salt plasticiser.
3. according to the high heat-resisting composite of the one described in claim 1, it is characterised in that described antioxidant is the one in antioxidant 1010, antioxidant TNP, antioxidant TPP or its compound.
4. according to the high heat-resisting composite of the one described in claim 1, it is characterised in that described lubricant is paraffin or stearic acid, or paraffin and stearic compound.
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| CN104927316B true CN104927316B (en) | 2016-07-13 |
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| CN109971135B (en) * | 2019-03-01 | 2021-03-16 | 广东京兆工程塑料有限公司 | Modified PCT composite material and preparation method thereof |
| CN113372692A (en) * | 2021-06-23 | 2021-09-10 | 广东虹勤通讯技术有限公司 | Polyester composite material and flexible cover sheet base material |
| CN113444352A (en) * | 2021-06-23 | 2021-09-28 | 广东虹勤通讯技术有限公司 | Low dielectric composite material and antenna assembly |
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| CN103304975A (en) * | 2013-06-24 | 2013-09-18 | 苏州新区佳合塑胶有限公司 | Weather-proof PC-PPO (Poly Carbonate-Poly-p-Phenylene oxide) alloy plastic and preparation method thereof |
| CN103589121A (en) * | 2012-08-14 | 2014-02-19 | 苏州汉扬精密电子有限公司 | Glass fiber reinforced PCT resin and preparation method thereof |
| CN104311803B (en) * | 2014-09-09 | 2015-08-12 | 杭州杭复新材料科技有限公司 | A kind of preparation method of toughness reinforcing high temperature resistance polyester material poly terephthalic acid-1.4 cyclohexanedimethanoester ester |
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| US7687577B2 (en) * | 2007-07-25 | 2010-03-30 | Sabic Innovative Plastics Ip B.V. | Thermoformable polycarbonate/polyester compositions and uses |
| CN103665351A (en) * | 2013-11-29 | 2014-03-26 | 金发科技股份有限公司 | Poly-terephthalic acid cyclohexanedimethanol /butanediol copolyester, and preparation and application thereof |
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| CN103589121A (en) * | 2012-08-14 | 2014-02-19 | 苏州汉扬精密电子有限公司 | Glass fiber reinforced PCT resin and preparation method thereof |
| CN103304975A (en) * | 2013-06-24 | 2013-09-18 | 苏州新区佳合塑胶有限公司 | Weather-proof PC-PPO (Poly Carbonate-Poly-p-Phenylene oxide) alloy plastic and preparation method thereof |
| CN104311803B (en) * | 2014-09-09 | 2015-08-12 | 杭州杭复新材料科技有限公司 | A kind of preparation method of toughness reinforcing high temperature resistance polyester material poly terephthalic acid-1.4 cyclohexanedimethanoester ester |
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| PCT高性能聚酯工程塑料;王德全;《国外塑料》;20091231;第27卷(第8期);41-45 * |
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Inventor after: Luo Xuqiang Inventor before: Dai Xiaochen |
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Effective date of registration: 20161209 Address after: Kuang Yan Zhen Zhang Shu Cun Cixi 315300 Zhejiang province Ningbo City Patentee after: Ningbo Swell Industry Co., Ltd. Address before: 215104 Wuzhong District, Jiangsu, Yue Yue Street, South Guandu Road, No., No. 6 Patentee before: SUZHOU YUNSHU NEW MATERIAL SCIENCE & TECHNOLOGY CO., LTD. |
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Address after: Kuang Yan Zhen Zhang Shu Cun Cixi 315300 Zhejiang province Ningbo City Patentee after: Ningbo four Weier Industry Co., Ltd. Address before: Kuang Yan Zhen Zhang Shu Cun Cixi 315300 Zhejiang province Ningbo City Patentee before: Ningbo Swell Industry Co., Ltd. |