CN103467910A - Plant-fiber modified partially-cured urushiol resin and preparation method and application thereof - Google Patents
Plant-fiber modified partially-cured urushiol resin and preparation method and application thereof Download PDFInfo
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- CN103467910A CN103467910A CN2013103820313A CN201310382031A CN103467910A CN 103467910 A CN103467910 A CN 103467910A CN 2013103820313 A CN2013103820313 A CN 2013103820313A CN 201310382031 A CN201310382031 A CN 201310382031A CN 103467910 A CN103467910 A CN 103467910A
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Abstract
The invention discloses plant-fiber modified partially-cured urushiol resin. The plant-fiber modified partially-cured urushiol resin is prepared by using urushiol resin as a main body, and adding renewable plant fiber into modified resin partially cured by tripolycyanamide, wherein the mass percentage of the modified resin is 80-98% and the mass percentage of the renewable plant fiber is 2-20%. The invention further discloses a preparation method of the plant-fiber modified partially-cured urushiol resin. The plant-fiber modified partially-cured urushiol resin can be used as an additional adhesive or composite organic fiber enhancer to enhance the temperature resistance of a friction material and improve the inner damping, so as to reduce vibration and noises generated by friction. Compared with other similar organic enhanced filling materials and modifiers, the novel plant-fiber modified partially-cured urushiol resin further has the advantages of energy consumption reduction and environment friendliness in the mixing, hot press moulding and curing processes; and in view of the functions, the plant-fiber modified partially-cured urushiol resin can be used for preparing various friction-resistant and antifriction organic materials applicable to high temperature and high load.
Description
Technical field
The present invention relates to partly solidified cashew resin of a kind of vegetable fibre modification and its preparation method and application, it is to take cashew resin as main body, add obtaining of green renewable vegetable fibre in partly solidified modified resin with trimeric cyanamide, the partly solidified cashew resin of this vegetable fibre modification can be used as additional binder or is compounded with the organic fiber toughener and adds in friction materials, and the temperature tolerance that strengthens friction materials improves internal damping to reduce due to fricative vibration and noise simultaneously.With other similar organic reinforcing fillers and properties-correcting agent, compare simultaneously.The partly solidified cashew resin of this novel plant fibre modification is mixing, hot-forming, in solidification process, also has the reduction energy consumption, the environmental protection advantage.
Background technology
The logical friction materials that belongs to of all kinds of frictional resistances and antifriction quality material.Various friction materialss are widely used in braking and transmission field, comprise automobile, train, aviation and various engineering machinery.Along with communications and transportation, the development of mechanical industry and aircraft industry, various exploitation and its application that are applicable to the special friction materials of high temperature high loading more and more are subject to people's attention.
Along with type used (frictional resistance or antifriction quality, braking or transmission) and product type, the design requirements that friction materials often has below must meeting: 1, the frictional coefficient of design requirement; 2, suitable work-ing life; 3, enough mechanical strengths and suitable hardness; 5, moisture resistance and antiseptic power; 4, to the protective capability of friction pair; 5, the obvious vibration and the noise that without friction, cause.
The vibration that inevitably produces frictional interface due to friction, thus vibration or the noise of whole system may be caused, must consider to quote the damping of the organic elastomer of suitable proportion with the increase internal system in the development and application of material.But general organic content or organic elastomer are known from experience the ability that material bears heat of friction that affects.The temperature tolerance that the partly solidified cashew resin of vegetable fibre modification of the present invention can strengthen friction materials improves internal damping simultaneously, to reduce due to fricative vibration and noise.
Summary of the invention
One of purpose of the present invention is to provide a kind of vegetable fibre modification partly solidified cashew resin, and the partly solidified cashew resin of this vegetable fibre modification can be used as additional binder or is compounded with the temperature tolerance that the organic fiber toughener strengthens friction materials and improves internal damping to reduce due to fricative vibration and noise simultaneously.
Two of purpose of the present invention is to provide the preparation method of the partly solidified cashew resin of above-mentioned vegetable fibre modification.
Three of purpose of the present invention is the application of the partly solidified cashew resin of above-mentioned vegetable fibre modification in friction materials.
The partly solidified cashew resin of vegetable fibre modification as first aspect present invention, it is to take cashew resin as main body, add renewable vegetable fibre with trimeric cyanamide in partly solidified modified resin and obtain, wherein the modified resin mass percent is 80～98%, and the mass percent of renewable vegetable fibre is 2～20%.
In a preferred embodiment of the invention, described renewable vegetable fibre is selected from phloem fiber, stem stalk fiber, leaf fibres or seed hair.
In a preferred embodiment of the invention, described phloem fiber is bast-fibre.
In a preferred embodiment of the invention, described stem stalk fiber is selected from xylon, bamboo fibers or grass blade fiber.
In a preferred embodiment of the invention, described leaf fibres is selected from sisal fibers, banana fiber or monkey grass.
In a preferred embodiment of the invention, described seed hair is cotton fibre.
The preparation method of the partly solidified cashew resin of above-mentioned vegetable fibre modification adds renewable vegetable fibre with in cyanurotriamide modified cashew resin prepolymer to, 150～160 ℃ solidify 1～2 hour after, being ground into median size is that 100 purpose solid particulates obtain.
The partly solidified cashew resin of above-mentioned vegetable fibre modification is in the application of all kinds of frictional resistances of preparation and antifriction quality material.
The partly solidified cashew resin of vegetable fibre modification of the present invention can be used as additional binder or is compounded with the organic fiber toughener and adds in friction materials, and the temperature tolerance that strengthens friction materials improves internal damping to reduce due to fricative vibration and noise simultaneously.With other similar organic reinforcing fillers and properties-correcting agent, compare simultaneously.The partly solidified cashew resin of this novel plant fibre modification is mixing, hot-forming, in solidification process, also has the reduction energy consumption, the environmental protection advantage.
Embodiment
Illustrate its character and application below in conjunction with the raw material mass mixture ratio of using in structure of the present invention and manufacturing processed.
Embodiment 1:
5 parts, renewable vegetable fibre, add 95 parts of cyanurotriamide modified cashew resin prepolymers, after mixing, at 160 ℃, solidifies 1.5 hours, and obtaining sample and it is ground into to median size is 100 purpose solid particulates.The salient features of this modified resin is: acetone extract content 20%, 3%, 175 ℃ of fugitive constituent 3% of ash.
Embodiment 2:
10 parts, renewable vegetable fibre, add 90 parts of cyanurotriamide modified cashew resin prepolymers, after mixing, at 160 ℃, solidifies 1.5 hours, and obtaining sample and it is ground into to median size is 100 purpose solid particulates.The salient features of this modified resin is: acetone extract content 15%, 3%, 175 ℃ of fugitive constituent 2% of ash.
Embodiment 3:
20 parts, renewable vegetable fibre, add 80 parts of cyanurotriamide modified cashew resin prepolymers, after mixing, at 160 ℃, solidifies 1.5 hours, and obtaining sample and it is ground into to median size is 100 purpose solid particulates.This modified resin salient features is: acetone extract content 10%, ash 3%, 175 degree fugitive constituent 1.5%.
Embodiment 4
20 parts, renewable vegetable fibre, add 80 parts of cyanurotriamide modified cashew resin prepolymers, after mixing, at 160 ℃, solidifies 1.0 hours, and obtaining sample and it is ground into to median size is 100 purpose solid particulates.The salient features of this modified resin is: acetone extract content 15%, ash 3%, 175 degree fugitive constituent 2%.
Embodiment 5
20 parts, renewable vegetable fibre, add 80 parts of cyanurotriamide modified cashew resin prepolymers, after mixing, at 150 ℃, solidifies 1 hour, and obtaining sample and it is ground into to median size is 100 purpose solid particulates.The salient features that this modified resin contains is: acetone extract content 20%, ash 3%, 175 degree fugitive constituent 3%.
Embodiment 6
20 parts, renewable vegetable fibre, add 80 parts of cyanurotriamide modified cashew resin prepolymers, after mixing, at 150C, solidifies 2 hours, and obtaining sample and it is ground into to median size is 100 purpose solid particulates.The salient features of this modified resin is: acetone extract content 15%, ash 3%, 175 degree fugitive constituent 2%.
The partly solidified cashew resin of novel plant fibre modification prepared by above embodiment concrete applicating example and the Performance Ratio in friction resistance material is set forth in (in table 1, each component is mass ratio) in following table 1.Wherein example 2 to example 7 is respectively the friction resistance material of the modified resin that uses embodiment 1 to 6 preparation, and example 1 be the corresponding friction resistance material of modified resin of the present invention that do not contain.Example 1 to example 7 is all to manufacture moulding under identical conditions.Actual conditions is:
High speed mixer stirs 12 minutes, at 50MPa, and 155C compacting 4.5 minutes, 250C solidifies 3.5 hours.
Table 1:
Claims (8)
1. the partly solidified cashew resin of vegetable fibre modification, it is to take cashew resin as main body, add renewable vegetable fibre with trimeric cyanamide in partly solidified modified resin and obtain, wherein the modified resin mass percent is 80～98%, and the mass percent of renewable vegetable fibre is 2～20%.
2. the partly solidified cashew resin of vegetable fibre modification as claimed in claim 1, is characterized in that, described renewable vegetable fibre is selected from phloem fiber, stem stalk fiber, leaf fibres or seed hair.
3. the partly solidified cashew resin of vegetable fibre modification as claimed in claim 2, is characterized in that, described phloem fiber is bast-fibre.
4. the partly solidified cashew resin of vegetable fibre modification as claimed in claim 2, is characterized in that, described stem stalk fiber is selected from xylon, bamboo fibers or grass blade fiber.
5. the partly solidified cashew resin of vegetable fibre modification as claimed in claim 2, is characterized in that, described leaf fibres is selected from sisal fibers, banana fiber or monkey grass.
6. the partly solidified cashew resin of vegetable fibre modification as claimed in claim 2, is characterized in that, described seed hair is cotton fibre.
7. the preparation method of the partly solidified cashew resin of the described vegetable fibre modification of claim 1 to 6 any one claim, it is characterized in that renewable vegetable fibre is added to in cyanurotriamide modified cashew resin prepolymer, 150～160 ℃ solidify 1～2 hour after, being ground into median size is that 100 purpose solid particulates obtain.
8. the partly solidified cashew resin of the described vegetable fibre modification of claim 1 to 6 any one claim is in the application of all kinds of frictional resistances of preparation and antifriction quality material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310382031.3A CN103467910B (en) | 2013-08-28 | 2013-08-28 | Plant-fiber modified partially-cured urushiol resin and preparation method and application thereof |
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| CN201310382031.3A CN103467910B (en) | 2013-08-28 | 2013-08-28 | Plant-fiber modified partially-cured urushiol resin and preparation method and application thereof |
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| CN103467910A true CN103467910A (en) | 2013-12-25 |
| CN103467910B CN103467910B (en) | 2015-07-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086731A (en) * | 2015-08-05 | 2015-11-25 | 天长市巨龙车船涂料有限公司 | Multi-fiber anti-cracking interior wall latex paint used for building decoration and preparation method of multi-fiber anti-cracking interior wall latex paint |
| CN105086711A (en) * | 2015-09-01 | 2015-11-25 | 天长市开林化工有限公司 | Light-weight elastic inner wall emulsion paint with addition of plant components and preparation method thereof |
| CN105659964A (en) * | 2016-03-14 | 2016-06-15 | 河南华美园林绿化工程有限公司 | Compound organic fiber, ecotype alien soil spray-seeding composite material and preparation method thereof |
| CN112239206A (en) * | 2020-11-11 | 2021-01-19 | 江苏浦士达环保科技股份有限公司 | Preparation method of low-ash pressed coal activated carbon |
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| JPS5549303B2 (en) * | 1975-10-17 | 1980-12-11 | ||
| CN101747588A (en) * | 2008-12-01 | 2010-06-23 | 北京化工大学 | Environment-friendly braking friction material and preparation method thereof |
| CN102002883A (en) * | 2010-09-20 | 2011-04-06 | 华南理工大学 | Wet type paper-based friction material as well as preparation method and application thereof |
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2013
- 2013-08-28 CN CN201310382031.3A patent/CN103467910B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5549303B2 (en) * | 1975-10-17 | 1980-12-11 | ||
| CN101747588A (en) * | 2008-12-01 | 2010-06-23 | 北京化工大学 | Environment-friendly braking friction material and preparation method thereof |
| CN102002883A (en) * | 2010-09-20 | 2011-04-06 | 华南理工大学 | Wet type paper-based friction material as well as preparation method and application thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105086731A (en) * | 2015-08-05 | 2015-11-25 | 天长市巨龙车船涂料有限公司 | Multi-fiber anti-cracking interior wall latex paint used for building decoration and preparation method of multi-fiber anti-cracking interior wall latex paint |
| CN105086711A (en) * | 2015-09-01 | 2015-11-25 | 天长市开林化工有限公司 | Light-weight elastic inner wall emulsion paint with addition of plant components and preparation method thereof |
| CN105659964A (en) * | 2016-03-14 | 2016-06-15 | 河南华美园林绿化工程有限公司 | Compound organic fiber, ecotype alien soil spray-seeding composite material and preparation method thereof |
| CN112239206A (en) * | 2020-11-11 | 2021-01-19 | 江苏浦士达环保科技股份有限公司 | Preparation method of low-ash pressed coal activated carbon |
| CN112239206B (en) * | 2020-11-11 | 2021-05-28 | 江苏浦士达环保科技股份有限公司 | Preparation method of low-ash pressed coal activated carbon |
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| CN103467910B (en) | 2015-07-08 |
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Effective date of registration: 20170124 Address after: 215500 Changshu Province, Jiangsu Province, new materials Industrial Park Road, Yu Sheng, No. 26 Patentee after: Changshu Naisu Biological Material Technology Co., Ltd. Address before: 215500 Changshou City City, Suzhou Province, Changshu hi tech Industrial Development Zone, Jin Road, No. 1, building 8, No. Patentee before: Suzhou Baolirui Biological Material Technology Development Co., Ltd. |