CN1944500A - Fiber forced foamed polymer material and its preparing method - Google Patents
Fiber forced foamed polymer material and its preparing method Download PDFInfo
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- CN1944500A CN1944500A CN 200610032370 CN200610032370A CN1944500A CN 1944500 A CN1944500 A CN 1944500A CN 200610032370 CN200610032370 CN 200610032370 CN 200610032370 A CN200610032370 A CN 200610032370A CN 1944500 A CN1944500 A CN 1944500A
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Abstract
The present invention discloses one kind of fiber reinforced foamed polymer material and its preparation process. Fiber material after surface treatment and azo initiator are added directly into polymer matrix and ultrasonically dispersed before heating polymerization in water bath. The fiber reinforced foamed polymer material has excellent sound absorbing performance and high mechanical performance.
Description
Technical field
The present invention relates to a kind of fiber forced foamed polymer material and preparation method thereof.
Background technology
Foamable polymer be a kind of be the polymers of excellent properties/gas recombination material of a large amount of small pores of inside homodisperse of matrix with the macromolecular material, it has light weight, heat insulation, sound insulation, specific tenacity height, absorb advantage such as shock load, in industrial or agricultural, transportation, war industry, space industry and daily necessities field extensive application, main foamable polymer has foaming PP, foam PS, foaming PE, foaming PUR, foamed polymer material etc.Though foamable polymer has many properties, descend to some extent than its relative intensity and modulus with closely knit polymer phase.
Summary of the invention
The purpose of this invention is to provide a kind of fibre-reinforced foamable polymer and preparation method thereof.
The objective of the invention is to realize in the following way: a kind of fiber forced foamed polymer material comprises following component:
Polymer monomer 80～99% (weight)
Fiber 1～20% (weight).
The preparation method of fiber forced foamed polymer material: will carry out mass polymerization in fiber and the azo-initiator adding polymer monomer.
Getting fiber and azo-initiator joins in the polymer monomer, use earlier magnetic stirrer, use ultrasonic dispersing again, heating in water bath to 40～70 ℃ polymerization simultaneously, polymerization is 2～6 hours under this temperature, obtains heavy-gravity liquid, then this thick liquid is changed in the template, be elevated to 60～120 ℃ of polymerizations, obtain fiber forced foamed polymer material.
Fiber is carried out surface treatment: fiber is placed toluene, add silane coupling agent after the ultrasonic dispersing, it is standby to purify after the back flow reaction.
Polymer monomer is carried out pre-treatment: get polymer monomer NaOH solution washing, fully shake and treat NaOH separating solution layer after the complete layering, use distilled water wash again, add anhydrous sodium sulfate drying after separating distilled water.
Polymer monomer is a methyl methacrylate.
Azo-initiator comprises Diisopropyl azodicarboxylate and 2,2'-Azobis(2,4-dimethylvaleronitrile).
Fiber comprises glass fibre, carbon fiber, xylon.
The present invention has following beneficial effect: 1, technical process is simple, and the reaction times is short, and cost is low; 2, glass fibre carries out pre-treatment through silane coupling agent, disperses in polymeric matrix with ultrasonic wave again, and both interfaces are in conjunction with firm; 3, control the porosity that the consumption of initiator can be regulated matrix material within the specific limits; 4, matrix material has excellent mechanical property, can be used as the engineering construction material; 5 matrix materials have sound absorbing capabilities, can be used as sound-absorbing material.
Description of drawings
Fig. 1 is the infrared spectrum of fiber forced foamed polymer material of the present invention;
Embodiment
The present invention will be further described below in conjunction with embodiment;
Embodiment 1
1, the pre-treatment of methyl methacrylate monomer.Measure methyl methacrylate 300ml, with the NaOH solution washing of 100ml5%, fully shake and treat NaOH separating solution layer after the complete layering, the stopper para benzoquinone in the methyl methacrylate is removed in repetitive operation three times.Use distilled water wash again three times, each consumption 100ml.Add the 20g anhydrous sodium sulfate drying after separating distilled water, standby.
2, take by weighing glass fibre and place toluene, add the alkane coupling agent after the employing silicon ultrasonic dispersing, back flow reaction is purified standby after 1 hour.
3, accurately taking by weighing glass fibre 0.91g and Diisopropyl azodicarboxylate 0.25g joins in the 22.5g methyl methacrylate monomer, earlier, use ultrasonic dispersing again, simultaneously heating in water bath to 40～50 ℃ with magnetic stirrer 5 minutes, polyase 13 hour under this temperature obtains heavy-gravity liquid.Then this thick liquid is changed in the template, elevated temperature to 60～65 ℃ polymerization obtains glass fibre enhanced foaming polymer materials material.
4, the porosity of glass fibre enhanced foaming polymer materials material and sound absorbing capabilities etc. are measured.
Embodiment 2
1, the pre-treatment of methacrylate monomer.Measure methyl methacrylate 300ml, with the NaOH solution washing of 100ml 5%, fully shake and treat NaOH separating solution layer after the complete layering, the stopper para benzoquinone in the methyl methacrylate is removed in repetitive operation three times.Use distilled water wash again three times, each consumption 100ml.Add the 20g anhydrous sodium sulfate drying after separating distilled water, standby.
2, xylon adopts silane coupling agent to carry out pre-treatment, and is standby.
3, accurately taking by weighing xylon 1.37g and Diisopropyl azodicarboxylate 0.25g joins in the 22.5g methyl methacrylate monomer, earlier, use ultrasonic dispersing again, simultaneously heating in water bath to 50～70 ℃ with magnetic stirrer 5 minutes, Ju He is 2 hours under this temperature, obtain Nian Choude Ye Ti.Ran Hou Zhong Ci Nian Chouyeti Zhuan Ru Mo Ban ， Sheng Gaowendu Zhi 65～70 ℃ Ju He ， De Dao Mu Xianwei Zeng Qiangfapao Ju Hewucailiao Cai Liao.
4, Dui Mu Xianwei Zeng Qiangfapao Ju Hewucailiao Cai Liao De Kong Xishuai He carry out Ce Ding such as Xi Shengxingneng.
Shi Shili 3.
1, Xi Suan Jia Zhidanti De Yu Chuli.San ， Chu Qu of Liang Qu Jia Jibingxisuanjiazhi 300ml ， Yong 100ml 5% De NaOH Rong Yexidi ， Chong Fen Yao Dong Dai Wan Quan Fen Ceng Hou Fen LiNaOH Rong Yeceng ， Chong Fucaozuo Jia Jibingxisuanjiazhi Zhong De Zu Juji Dui Benkun.San ， Mei Ci of Zai Yong Zheng Liushuixidi Yong Liang 100ml.Fen Li Zheng Liushui Hou Jia Ru 20g Wu Shuiliusuannaganzao ， Bei Yong.
2, Tan Xianwei Cai Yong Gui Wanoulianji carry out Yu Chuli ， Bei Yong.
3, Zhun Que Cheng Qu Tan Xianwei 0.91g He Ou Daneryidingjing 0.25g Jia Rudao 22.5g Jia Jibingxisuanjiazhidanti Zhong Xian Yong Ci Lijiaobanqijiaoban 5 Fen Zhong ， Zai Yong Chao Shengbofensan ， Tong Shi Shui Yujiare Zhi 40～60 ℃ Xia the Zai Ci Wen Du Ju He 4 Xiao Shi ， De Dao Nian Choude Ye Ti.Then this thick liquid is changed in the template, elevated temperature to 75～80 ℃ polymerization obtains carbon fiber enhanced foaming polymer materials material.
4, the porosity of carbon fiber enhanced foaming polymer materials material and sound absorbing capabilities etc. are measured.
To the porosity of the fiber forced foamed polymer material material of embodiment 1-3, density, sound absorbing capabilities and infared spectrum etc. is measured, and the result is shown in chart.
| Fiber (quality, %) | Initiator content (quality, %) | Porosity | Density (g/cm 3) | Sound absorbing capabilities | Mechanical property | Staple length (mm) |
| Fine (6%) carbon fibre (4%) of glass (4%) wood | 1％ 1％ 1％ | 63％ 60％ 60％ | 0.6 0.58 0.62 | Good good | Good general | 6～15 6～15 6～15 |
The infrared spectrum of fiber forced foamed polymer material as shown in Figure 1.
Claims (8)
1, a kind of fiber forced foamed polymer material comprises following component:
Polymer monomer 80～99% (weight)
Fiber 1～20% (weight).
2, the preparation method of fiber forced foamed polymer material according to claim 1: it is characterized in that: will carry out mass polymerization in fiber and the azo-initiator adding polymer monomer.
3, the preparation method of fiber forced foamed polymer material according to claim 2: it is characterized in that: get fiber and azo-initiator and join in the polymer monomer, use earlier magnetic stirrer, use ultrasonic dispersing again, heating in water bath to 40～70 ℃ polymerization simultaneously, polymerization is 2～6 hours under this temperature, obtains heavy-gravity liquid, then this thick liquid is changed in the template, be elevated to 60～120 ℃ of polymerizations, obtain fiber forced foamed polymer material.
4, according to the preparation method of claim 2 or 3 described fiber forced foamed polymer materials: it is characterized in that: fiber is carried out surface treatment: fiber is placed toluene, add silane coupling agent after the ultrasonic dispersing, it is standby to purify after the back flow reaction.
5, according to the preparation method of claim 2 or 3 described fiber forced foamed polymer materials: it is characterized in that: polymer monomer is carried out pre-treatment: get polymer monomer NaOH solution washing, fully shake and treat NaOH separating solution layer after the complete layering, use distilled water wash again, add anhydrous sodium sulfate drying behind the separation distilled water.
6, according to the preparation method of claim 2 or 3 described fiber forced foamed polymer materials: it is characterized in that: polymer monomer is a methyl methacrylate.
7, according to the preparation method of claim 2 or 3 described fiber forced foamed polymer materials: it is characterized in that: azo-initiator comprises Diisopropyl azodicarboxylate and 2,2'-Azobis(2,4-dimethylvaleronitrile).
8, according to the preparation method of claim 2 or 3 described fiber forced foamed polymer materials: it is characterized in that: fiber comprises glass fibre, carbon fiber, xylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200610032370 CN1944500A (en) | 2006-09-28 | 2006-09-28 | Fiber forced foamed polymer material and its preparing method |
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| CN 200610032370 CN1944500A (en) | 2006-09-28 | 2006-09-28 | Fiber forced foamed polymer material and its preparing method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107207369A (en) * | 2015-01-28 | 2017-09-26 | 霓佳斯株式会社 | Foaming body |
| CN107987319A (en) * | 2017-12-29 | 2018-05-04 | 成都新柯力化工科技有限公司 | A kind of thermoplastic metal fiber and preparation method for plastics |
| CN108676303A (en) * | 2018-04-16 | 2018-10-19 | 安徽昊森新材料科技有限公司 | A kind of light sound-proof acrylic resin |
| CN108947573A (en) * | 2018-07-26 | 2018-12-07 | 苏州华龙化工有限公司 | A kind of preparation method of sound-absorption glass cotton fiber composite material |
| CN110901210A (en) * | 2019-11-28 | 2020-03-24 | 南京同科科技发展有限公司 | Production process of strong-foam composite material |
| CN115028881A (en) * | 2022-06-17 | 2022-09-09 | 无锡会通轻质材料股份有限公司 | EPP bead, preparation method of EPP bead and formed part of EPP bead |
-
2006
- 2006-09-28 CN CN 200610032370 patent/CN1944500A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107207369A (en) * | 2015-01-28 | 2017-09-26 | 霓佳斯株式会社 | Foaming body |
| US10947163B2 (en) | 2015-01-28 | 2021-03-16 | Nichias Corporation | Foam |
| CN107987319A (en) * | 2017-12-29 | 2018-05-04 | 成都新柯力化工科技有限公司 | A kind of thermoplastic metal fiber and preparation method for plastics |
| CN108676303A (en) * | 2018-04-16 | 2018-10-19 | 安徽昊森新材料科技有限公司 | A kind of light sound-proof acrylic resin |
| CN108947573A (en) * | 2018-07-26 | 2018-12-07 | 苏州华龙化工有限公司 | A kind of preparation method of sound-absorption glass cotton fiber composite material |
| CN110901210A (en) * | 2019-11-28 | 2020-03-24 | 南京同科科技发展有限公司 | Production process of strong-foam composite material |
| CN115028881A (en) * | 2022-06-17 | 2022-09-09 | 无锡会通轻质材料股份有限公司 | EPP bead, preparation method of EPP bead and formed part of EPP bead |
| CN115028881B (en) * | 2022-06-17 | 2024-01-26 | 无锡会通轻质材料股份有限公司 | EPP (expanded polypropylene) beads, preparation method of EPP beads and molded part of EPP beads |
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