CN104927303A - Ultraviolet aging resisting fiber-reinforced polymer base composite - Google Patents
Ultraviolet aging resisting fiber-reinforced polymer base composite Download PDFInfo
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- CN104927303A CN104927303A CN201510301164.2A CN201510301164A CN104927303A CN 104927303 A CN104927303 A CN 104927303A CN 201510301164 A CN201510301164 A CN 201510301164A CN 104927303 A CN104927303 A CN 104927303A
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Abstract
The invention relates to an ultraviolet aging resisting fiber-reinforced polymer base composite which comprises the following raw materials in parts by weight: 0.1-10 parts of a compound ultraviolet aging resisting agent, 40-90 parts of matrix resin, 5-60 parts of reinforced fiber and 3-30 parts of a curing agent and an accelerating agent together. Through the addition of the compound ultraviolet aging resisting agent and the reinforced fiber, the ultraviolet aging resisting fiber-reinforced polymer base composite has good ultraviolet aging resisting performance and excellent mechanical performance, can be used for manufacturing outdoor large-sized composite products, and can effectively improve the weather resistance of the products and prolong the service life of the products; when the composite is irradiated under ultraviolet rays for 1000 h, the falling range of the mechanical strength is less than 3%.
Description
Technical field
The present invention relates to a kind of matrix material, relate to a kind of fiber reinforced polymer matrix composite of anti-ultraviolet ageing particularly, belong to the technical field of functional polymer composites.
Background technology
Fiber reinforced polymer matrix composite (FRP) is a class with the matrix material of matrix resin and fortifying fibre compound, has the advantages such as light weight is high-strength, corrosion-resistant, insulation.Building materials, chemical industry, automobile, shipbuilding, the industry such as electric are widely used at present.
In actual applications, FRP can obtain large-scale product according to actual needs, and matrix used resin mostly is thermosetting resin, as epoxy resin and resol etc.As resin-based matrix material, catabiosis is still a major defect of such material property.Especially, the many requirements of goods of FRP use out of doors, under the effect of daylight and air, very easily occur aging and cause materials'use degradation.For a long time, the anti-aging problem of FRP goods is an important research topic always.Normally apply anti-aging layer at material surface or in matrix resin, add anti-ultraviolet ageing agent to reach the object of material anti-ultraviolet ageing.Conventional anti-ultraviolet ageing agent is organic uv absorbers, has good suitability, but organic compound has the shortcomings such as certain toxicity, easily decomposition, easily precipitation.Inorganic nano-particle has certain shielding to ultraviolet, though efficiency is a little less than organic uv absorbers, nontoxic, nonirritant, stable, and has loading type, causes people in recent years and more and more pays close attention to.Find through literature search, the anti-ultraviolet ageing agent used of current fiber reinforced polymer matrix composite mostly is single inorganic or organic uv absorbers.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of fiber reinforced polymer matrix composite of anti-ultraviolet ageing, overcomes the comparatively single defect that can not well play a role of anti-ultraviolet ageing agent in prior art.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of fiber reinforced polymer matrix composite of anti-ultraviolet ageing, comprises the raw material of following weight part: composite anti-ultraviolet ageing agent 0.1-10 part, matrix resin 40-90 part, fortifying fibre 5-60 part, solidifying agent and promotor 3-30 part.
The invention has the beneficial effects as follows: because the fiber reinforced polymer matrix composite of the anti-ultraviolet ageing that with the addition of composite anti-ultraviolet ageing agent and fortifying fibre acquisition has good anti-ultraviolet ageing and the mechanical property of excellence, can be used for the composite product manufacturing outdoor large, effectively can improve weather resisteant and the work-ing life of product; Irradiate 1000h under ultraviolet light, mechanical strength fall is less than 3%.
On the basis of technique scheme, the present invention can also do following improvement.
The fiber reinforced polymer matrix composite of the present invention's a kind of anti-ultraviolet ageing described above, further, the weight ratio of described solidifying agent and promotor is 99-50:1-50, is more preferably 90-70:10-30.Promotor, in some conditions can directly as solidifying agent use for promoting solidification used, and the proportioning of itself and solidifying agent can be determined, according to actual needs without concrete proportional range.
The fiber reinforced polymer matrix composite of the present invention's a kind of anti-ultraviolet ageing described above, further, described composite anti-ultraviolet ageing agent is made up of inorganic nano-particle uv-absorbing agent and organic uv absorbers, described inorganic nano-particle uv-absorbing agent and organic uv absorbers weight percent are 1-99:99-1, be more preferably, 40-80:60-20.
The fiber reinforced polymer matrix composite of the present invention's a kind of anti-ultraviolet ageing described above, further, described inorganic nano-particle uv-absorbing agent is any one or a few mixing in the nanoparticles such as nano level carbon black, silicon-dioxide, molecular sieve, zinc oxide and titanium dioxide.
The fiber reinforced polymer matrix composite of the present invention's a kind of anti-ultraviolet ageing described above, further, described organic uv absorbers is any one or a few mixing in salicylate class, benzophenone class, benzotriazole category, group-substituted acrylonitrile, triazines and hindered amines.
The fiber reinforced polymer matrix composite of the present invention's a kind of anti-ultraviolet ageing described above, further, described matrix resin is epoxy resin, any one or a few mixing in resol and unsaturated polyester.
The fiber reinforced polymer matrix composite of the present invention's a kind of anti-ultraviolet ageing described above, further, described fortifying fibre is any one or a few mixing in glass fibre, carbon fiber, boron fibre and aramid fiber.
The fiber reinforced polymer matrix composite of the present invention's a kind of anti-ultraviolet ageing described above, further, the Fibre diameter of described fortifying fibre is less than 20 microns.
The fiber reinforced polymer matrix composite of the present invention's a kind of anti-ultraviolet ageing described above, further, described solidifying agent is anhydrides or the amine curing agent of matrix used resin solidification; Described promotor is the promotor promoting matrix used resin solidification.
The present invention also provides a kind of preparation method of fiber reinforced polymer matrix composite of anti-ultraviolet ageing, comprises the following steps:
1) according to the formula of the fiber reinforced polymer matrix composite of anti-ultraviolet ageing described above, described composite anti-ultraviolet ageing agent is dispersed in dispersion agent, after Homogeneous phase mixing, dry;
The concentration of above-mentioned dispersion agent generally can in the scope of 10-20%.
2) step 1) composite anti-ultraviolet ageing agent and described matrix resin after process, the mixing of fortifying fibre weight part ratio, adds solidifying agent and promotor, after curing molding, obtains the fibre reinforced composites of anti-ultraviolet ageing.Above-mentioned solidification value and set time can be conventional cure parameter solidify.
The fiber reinforced polymer matrix composite of anti-ultraviolet ageing of the present invention also can adopt the shaping universal method of thermosetting resin to carry out shaping obtained goods.
Present invention incorporates the advantage of inorganic nano uv-absorbing agent and organic uv absorbers, improve the stability of anti-ultraviolet ageing agent in matrix resin and dispersiveness, effectively improve the anti-ultraviolet ageing ability of fiber reinforced polymer matrix composite.Ensureing the resistance to UV aging also improving matrix material while material mechanical performance, can be widely used in material weathering resistance and the high engineered building materials field of requirement of strength.
Embodiment
Be described principle of the present invention and feature with the following Examples, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
The fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing of the present invention, comprises composite anti-ultraviolet ageing agent 2kg, matrix resin 60kg, fortifying fibre 30kg, solidifying agent and promotor 8kg.
In the present embodiment, in composite anti-ultraviolet ageing agent, component is zinc oxide and UV-531, and weight ratio is 50:50, and matrix resin is epoxy resin, and fortifying fibre is glass fibre, curing agent ethylene diamine, and promotor is DMP-30.
The fiber reinforced polymer matrix composite preparation process of above-mentioned anti-ultraviolet ageing is:
1) described inorganic particulate uv-absorbing agent zinc oxide and organic uv absorbers UV-531 are pressed the weight ratio dispersion of 50:50 in ethanol, after Homogeneous phase mixing, dry.
2) the composite anti-ultraviolet ageing agent after process and epoxy resin, glass fibre, by the mixing of above weight ratio, adds solidifying agent and promotor, after curing molding, and the fiber reinforced polymer matrix composite of anti-ultraviolet ageing.
The fiber reinforced polymer matrix composite of anti-ultraviolet ageing prepared by the present embodiment, irradiates 1000h under ultraviolet light, and mechanical strength fall is less than 2.5%.
Embodiment 2
The fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing of the present invention, comprises composite anti-ultraviolet ageing agent 5kg, matrix resin 50kg, fortifying fibre 40kg, solidifying agent and promotor 5kg.
In the present embodiment, in composite anti-ultraviolet ageing agent, component is titanium dioxide and UVP-327, and weight ratio is 80:20, and matrix resin is epoxy resin, and fortifying fibre is boron fibre, and solidifying agent is quadrol and promotor is K-54.
The fiber reinforced polymer matrix composite preparation process of above-mentioned anti-ultraviolet ageing is:
1) described inorganic nano-particle uv-absorbing agent titanium dioxide and organic uv absorbers UVP-327 are disperseed in ethanol by weight 80:20, after Homogeneous phase mixing, dry.
2) the composite anti-ultraviolet ageing agent after process and epoxy resin, boron fibre, by the mixing of above weight ratio, adds solidifying agent and promotor, after curing molding, obtains the fiber reinforced polymer matrix composite of anti-ultraviolet ageing.
The fiber reinforced polymer matrix composite of anti-ultraviolet ageing prepared by the present embodiment, irradiates 1000h under ultraviolet light, mechanical strength fall 1.8%.
Embodiment 3
The fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing of the present invention, comprises composite anti-ultraviolet ageing agent 1kg, matrix resin 70kg, fortifying fibre 20kg, solidifying agent and promotor 10kg.
In the present embodiment, in composite anti-ultraviolet ageing agent, component is carbon black and UV-P, and matrix resin is epoxy resin, and fortifying fibre is glass fibre, and solidifying agent is Tetra hydro Phthalic anhydride and promotor is DMP-30.
The fiber reinforced polymer matrix composite preparation process of above-mentioned anti-ultraviolet ageing is:
1) by described inorganic nano-particle uv-absorbing agent carbon black and organic uv absorbers UV-P, 40:60 dispersion is in ethanol, after Homogeneous phase mixing, dry by weight.
2) the composite anti-ultraviolet ageing agent after process and epoxy resin, glass fibre, by the mixing of above weight ratio, adds solidifying agent and promotor, after curing molding, obtains the fiber reinforced polymer matrix composite of anti-ultraviolet ageing.
The fiber reinforced polymer matrix composite of anti-ultraviolet ageing prepared by the present embodiment, irradiates 1000h under ultraviolet light, mechanical strength fall 1.6%.
Embodiment 4
The fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing of the present invention, comprises composite anti-ultraviolet ageing agent 10kg, matrix resin 70kg, fortifying fibre 10kg, solidifying agent and promotor 10kg.
In the present embodiment, in composite anti-ultraviolet ageing agent, component is molecular sieve and UV-531, and matrix resin is epoxy resin, and fortifying fibre is glass fibre, and solidifying agent is hexanediamine and promotor is DMP-30.
The fiber reinforced polymer matrix composite preparation process of above-mentioned anti-ultraviolet ageing is:
1) by described inorganic nano-particle uv-absorbing agent molecular sieve and organic uv absorbers UV-531 by weight for 90:10 dispersion in ethanol, after Homogeneous phase mixing, dry.
2) the composite anti-ultraviolet ageing agent after process and epoxy resin, glass fibre, by the mixing of above weight ratio, adds solidifying agent and promotor, after curing molding, obtains the fiber reinforced polymer matrix composite of anti-ultraviolet ageing.
The fiber reinforced polymer matrix composite of anti-ultraviolet ageing prepared by the present embodiment, irradiates 1000h under ultraviolet light, mechanical strength fall 2.4%.
Embodiment 5
The fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing of the present invention, comprises composite anti-ultraviolet ageing agent 5kg, matrix resin 50kg, fortifying fibre 40kg, solidifying agent and promotor 5kg.
In the present embodiment, in composite anti-ultraviolet ageing agent, component is zinc oxide and GW-540, and matrix resin is resol, and fortifying fibre is carbon fiber, and solidifying agent is vulkacit H and promotor is benzene sulfonyl chloride.
The fiber reinforced polymer matrix composite preparation process of above-mentioned anti-ultraviolet ageing is:
1) by described inorganic nano-particle uv-absorbing agent zinc oxide and organic uv absorbers GW-540 by weight 50:50 dispersion in ethanol, after Homogeneous phase mixing, dry.
2) the composite anti-ultraviolet ageing agent after process and epoxy resin, carbon fiber, by the mixing of above weight ratio, adds solidifying agent and promotor, after curing molding, obtains the fiber reinforced polymer matrix composite of anti-ultraviolet ageing.
The fiber reinforced polymer matrix composite of anti-ultraviolet ageing prepared by the present embodiment, irradiates 1000h under ultraviolet light, mechanical strength fall 3%.
Embodiment 6
The fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing of the present invention, comprises composite anti-ultraviolet ageing agent 0.5kg, matrix resin 60kg, fortifying fibre 35kg, solidifying agent and promotor 4.5kg.
In the present embodiment, in composite anti-ultraviolet ageing agent, component is nano titanium oxide and UVP-327, and matrix resin is epoxy resin, and fortifying fibre is glass fibre, and solidifying agent is diethylenetriamine and promotor is DMP-30.
The fiber reinforced polymer matrix composite preparation process of above-mentioned anti-ultraviolet ageing is:
1) by described inorganic nano-particle uv-absorbing agent titanium dioxide and organic uv absorbers UVP-327,40:60 dispersion is in ethanol, after Homogeneous phase mixing, dry by weight.
2) the composite anti-ultraviolet ageing agent after process and epoxy resin, glass fibre, by the mixing of above weight ratio, adds solidifying agent and promotor, after curing molding, obtains the fiber reinforced polymer matrix composite of anti-ultraviolet ageing.
The fiber reinforced polymer matrix composite of anti-ultraviolet ageing prepared by the present embodiment, irradiates 1000h under ultraviolet light, mechanical strength fall 2.8%.
Embodiment 7
The fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing of the present invention, comprises composite anti-ultraviolet ageing agent 1kg, matrix resin 50kg, fortifying fibre 45kg, solidifying agent and promotor 4kg.
In the present embodiment, in composite anti-ultraviolet ageing agent, component is silicon-dioxide and UVP-531, and matrix resin is resol, and fortifying fibre is glass fibre, and solidifying agent is vulkacit H, and promotor is benzene sulfonyl chloride.
The fiber reinforced polymer matrix composite preparation process of above-mentioned anti-ultraviolet ageing is:
1) by described inorganic nano-particle uv-absorbing agent silicon-dioxide and organic uv absorbers UVP-531 by weight for 90:10 dispersion in ethanol, after Homogeneous phase mixing, dry.
2) the composite anti-ultraviolet ageing agent after process and resol, glass fibre, by the mixing of above weight ratio, adds solidifying agent and promotor, after curing molding, obtains the fiber reinforced polymer matrix composite of anti-ultraviolet ageing.
The fiber reinforced polymer matrix composite of anti-ultraviolet ageing prepared by the present embodiment, irradiates 1000h under ultraviolet light, mechanical strength fall 2.2%.
Embodiment 8
The fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing of the present invention, comprises composite anti-ultraviolet ageing agent 4kg, matrix resin 50kg, fortifying fibre 40kg, solidifying agent and promotor 6kg.
In the present embodiment, in composite anti-ultraviolet ageing agent, component is carbon black and UV-9, and matrix resin is epoxy resin, and fortifying fibre is glass fibre, and solidifying agent is quadrol, and promotor is K-54.
The fiber reinforced polymer matrix composite preparation process of above-mentioned anti-ultraviolet ageing is:
1) by described inorganic nano-particle uv-absorbing agent carbon black and organic uv absorbers UV-9 by weight for 50:50 dispersion in ethanol, after Homogeneous phase mixing, dry.
2) the composite anti-ultraviolet ageing agent after process and epoxy resin, glass fibre, by the mixing of above weight ratio, adds solidifying agent and promotor, after curing molding, obtains the fiber reinforced polymer matrix composite of anti-ultraviolet ageing.
The fiber reinforced polymer matrix composite of anti-ultraviolet ageing prepared by the present embodiment, irradiates 1000h under ultraviolet light, mechanical strength fall 1.2%.
Embodiment 9
The fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing of the present invention, comprises composite anti-ultraviolet ageing agent 5kg, matrix resin 60kg, fortifying fibre 25kg, solidifying agent and promotor 10kg.
In the present embodiment, in composite anti-ultraviolet ageing agent, component is zinc oxide and UVP-327, and matrix resin is epoxy resin, and fortifying fibre is glass fibre, and solidifying agent is diethylenetriamine, and promotor is DMP-30.
The fiber reinforced polymer matrix composite preparation process of above-mentioned anti-ultraviolet ageing is:
1) by described inorganic nano-particle uv-absorbing agent zinc oxide and organic uv absorbers UVP-327 by weight for 80:20 dispersion in ethanol, after Homogeneous phase mixing, dry.
2) the composite anti-ultraviolet ageing agent after process and epoxy resin, glass fibre, by the mixing of above weight ratio, adds solidifying agent and promotor, after curing molding, obtains the fiber reinforced polymer matrix composite of anti-ultraviolet ageing.
The fiber reinforced polymer matrix composite of anti-ultraviolet ageing prepared by the present embodiment, irradiates 1000h under ultraviolet light, mechanical strength fall 1.5%.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a fiber reinforced polymer matrix composite for anti-ultraviolet ageing, is characterized in that, comprises the raw material of following weight part: composite anti-ultraviolet ageing agent 0.1-10 part, matrix resin 40-90 part, fortifying fibre 5-60 part, solidifying agent and promotor 3-30 part.
2. the fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing according to claim 1, it is characterized in that, the weight ratio of described solidifying agent and promotor is 99-50:1-50.
3. the fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing according to claim 1, it is characterized in that, described composite anti-ultraviolet ageing agent is made up of inorganic nano-particle uv-absorbing agent and organic uv absorbers, and described inorganic nano-particle uv-absorbing agent and organic uv absorbers weight percent are 1-99:99-1.
4. the fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing according to claim 3, it is characterized in that, described inorganic nano-particle uv-absorbing agent is any one or a few mixing in the nanoparticles such as nano level carbon black, silicon-dioxide, molecular sieve, zinc oxide and titanium dioxide.
5. the fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing according to claim 3, it is characterized in that, described organic uv absorbers is any one or a few mixing in salicylate class, benzophenone class, benzotriazole category, group-substituted acrylonitrile, triazines and hindered amines.
6. a kind of fiber reinforced polymer matrix composite of anti-ultraviolet ageing according to any one of claim 1 to 5, it is characterized in that, described matrix resin is epoxy resin, any one or a few mixing in resol and unsaturated polyester.
7. a kind of fiber reinforced polymer matrix composite of anti-ultraviolet ageing according to any one of claim 1 to 5, is characterized in that, described fortifying fibre is any one or a few mixing in glass fibre, carbon fiber, boron fibre and aramid fiber.
8. the fiber reinforced polymer matrix composite of a kind of anti-ultraviolet ageing according to claim 7, it is characterized in that, the Fibre diameter of described fortifying fibre is less than 20 microns.
9. a kind of fiber reinforced polymer matrix composite of anti-ultraviolet ageing according to any one of claim 1 to 5, it is characterized in that, described solidifying agent is anhydrides or the amine curing agent of matrix used resin solidification; Described promotor is the promotor promoting matrix used resin solidification.
10. a preparation method for the fiber reinforced polymer matrix composite of anti-ultraviolet ageing, is characterized in that, comprises the following steps:
1) according to the formula of the fiber reinforced polymer matrix composite of anti-ultraviolet ageing described in any one of claim 1 to 9, described composite anti-ultraviolet ageing agent is dispersed in dispersion agent, after Homogeneous phase mixing, dry;
2) step 1) composite anti-ultraviolet ageing agent and described matrix resin after process, the mixing of fortifying fibre weight part ratio, adds solidifying agent and promotor, after curing molding, obtain anti-ultraviolet ageing fibre reinforced composites.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104987660A (en) * | 2015-06-04 | 2015-10-21 | 孙仁华 | Fixed spiral slideway escape device |
| CN106893262A (en) * | 2017-03-16 | 2017-06-27 | 西安理工大学 | A kind of epoxy resin composite material of high intensity anti-ultraviolet ageing and preparation method thereof |
| CN107057125A (en) * | 2017-05-18 | 2017-08-18 | 句容亿格纳米材料厂 | Modified salicylic acid aligns the preparation and its application in anti-light pollution plastics of octyl phenyl ester |
| CN107162901A (en) * | 2017-05-18 | 2017-09-15 | 三斯达（江苏）环保科技有限公司 | The preparation of double acid double phenol A ester and its application in anti-aging expanded material |
| CN107603409A (en) * | 2017-10-11 | 2018-01-19 | 苏州圣杰特种树脂有限公司 | A kind of uvioresistant epoxy cold coating |
| CN108546425A (en) * | 2018-04-09 | 2018-09-18 | 国家林业局竹子研究开发中心 | A kind of bamboo and wood material light aging resisting coating and its preparation method and application |
| CN109438676A (en) * | 2018-10-30 | 2019-03-08 | 湖南神力铃胶粘剂制造有限公司 | A kind of low-temperature fast-curing curing agent and preparation method thereof of epoxy resin |
| CN110669348A (en) * | 2019-10-12 | 2020-01-10 | 林艳芬 | Preparation method of wood-plastic composite material |
| CN110952334A (en) * | 2019-12-12 | 2020-04-03 | 江阴市金茂特种纤维有限公司 | Reinforced composite aramid fiber fabric and preparation method thereof |
| CN113185758A (en) * | 2021-05-28 | 2021-07-30 | 廊坊集瑞高分子材料有限公司 | Fireproof cable insulating material and preparation method thereof |
| CN115232457A (en) * | 2022-08-18 | 2022-10-25 | 长兴合成树脂(常熟)有限公司 | Preparation method of bio-based unsaturated polyester/nano-cellulose anti-ultraviolet composite material |
| CN117467246A (en) * | 2023-12-05 | 2024-01-30 | 东莞市维斯德新材料技术有限公司 | Carbon fiber/glass fiber reinforced epoxy resin composite material and preparation method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104987660A (en) * | 2015-06-04 | 2015-10-21 | 孙仁华 | Fixed spiral slideway escape device |
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| CN106893262A (en) * | 2017-03-16 | 2017-06-27 | 西安理工大学 | A kind of epoxy resin composite material of high intensity anti-ultraviolet ageing and preparation method thereof |
| CN107057125A (en) * | 2017-05-18 | 2017-08-18 | 句容亿格纳米材料厂 | Modified salicylic acid aligns the preparation and its application in anti-light pollution plastics of octyl phenyl ester |
| CN107162901A (en) * | 2017-05-18 | 2017-09-15 | 三斯达（江苏）环保科技有限公司 | The preparation of double acid double phenol A ester and its application in anti-aging expanded material |
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| CN108546425A (en) * | 2018-04-09 | 2018-09-18 | 国家林业局竹子研究开发中心 | A kind of bamboo and wood material light aging resisting coating and its preparation method and application |
| CN109438676A (en) * | 2018-10-30 | 2019-03-08 | 湖南神力铃胶粘剂制造有限公司 | A kind of low-temperature fast-curing curing agent and preparation method thereof of epoxy resin |
| CN110669348A (en) * | 2019-10-12 | 2020-01-10 | 林艳芬 | Preparation method of wood-plastic composite material |
| CN110952334A (en) * | 2019-12-12 | 2020-04-03 | 江阴市金茂特种纤维有限公司 | Reinforced composite aramid fiber fabric and preparation method thereof |
| CN113185758A (en) * | 2021-05-28 | 2021-07-30 | 廊坊集瑞高分子材料有限公司 | Fireproof cable insulating material and preparation method thereof |
| CN113185758B (en) * | 2021-05-28 | 2022-08-16 | 廊坊集瑞高分子材料有限公司 | Fireproof cable insulating material and preparation method thereof |
| CN115232457A (en) * | 2022-08-18 | 2022-10-25 | 长兴合成树脂(常熟)有限公司 | Preparation method of bio-based unsaturated polyester/nano-cellulose anti-ultraviolet composite material |
| CN115232457B (en) * | 2022-08-18 | 2023-12-05 | 长兴合成树脂(常熟)有限公司 | Preparation method of bio-based unsaturated polyester/nanocellulose ultraviolet resistant composite material |
| CN117467246A (en) * | 2023-12-05 | 2024-01-30 | 东莞市维斯德新材料技术有限公司 | Carbon fiber/glass fiber reinforced epoxy resin composite material and preparation method thereof |
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Application publication date: 20150923 |