CN106832415A - The method for improving staple glass fibre/rubber composite interfacial bond property - Google Patents
The method for improving staple glass fibre/rubber composite interfacial bond property Download PDFInfo
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- CN106832415A CN106832415A CN201710128591.4A CN201710128591A CN106832415A CN 106832415 A CN106832415 A CN 106832415A CN 201710128591 A CN201710128591 A CN 201710128591A CN 106832415 A CN106832415 A CN 106832415A
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- Prior art keywords
- glass fibre
- rubber composite
- interfacial bond
- bond property
- fibre
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Method the invention discloses staple glass fibre/rubber composite interfacial bond property is improved, by glass fibre by silane coupler surface modification treatment；Modified glass fibre is coated into an interlayer resorcinol formaldehyde latex resin solution by impregnation technology, in 225 DEG C of 235 DEG C of drying；By fibre cutting into the chopped fiber of 1 12mm, obtain final product.Solve staple glass fibre it is weaker with the interface adhesion of rubber matrix, improvement glass fibre toughness, and staple glass fibre surface modification treatment industrialized production problem.
Description
Technical field
The invention belongs to glass fibre preparing technical field, it is related to a kind of raising staple glass fibre/rubber composite circle
The method of face adhesive property.
Background technology
Its main component of glass fibre is silica, aluminum oxide, calcium oxide, boron oxide, magnesia, sodium oxide molybdena etc., root
According in glass alkali content number, alkali-free glass fibre (sodium oxide molybdena 0%~2%, belong to aluminium borosilicate glass), middle alkali can be divided into
Glass fibre (sodium oxide molybdena 8%~12%, not category boracic or the soda lime glass of boracic) and high alkali glass fibre (sodium oxide molybdena
More than 13%, belong to soda lime glass).Glass fibre is higher than organic fiber heatproof, non-ignitable, and anti-corruption, heat-insulated, sound-proofing is good,
Tensile strength is high, and electrical insulating property is good.But property is crisp, and wearability is poor.For reinforced plastics or enhancing rubber, heat-resist, temperature
Do not have influence on intensity during up to 300 DEG C.There is following feature as supporting material glass fibre, these features make glass fibre
With far beyond other fibre types come extensively, development speed also holds a safe lead, and its characteristic is listed below：(1) tensile strength is high, stretches
Small (3%) long.(2) coefficient of elasticity is high, and rigidity is good.(3) elongation is big and tensile strength is high in elastic limit, therefore absorbs impact energy
Amount is big.(4) it is inorfil, has noninflammability, chemical resistance is good.(5) yardstick stability, heat resistance is good.(6) processability is good.
But with rubber composite during preparation, the two interface adhesion is weaker, no for existing glass fibre
Can combine well, the performance of influence industrialized production and product.
The content of the invention
To achieve the above object, the present invention provides a kind of preparation method of rubber pretreated glass chopped fiber, solution
Certainly staple glass fibre is weaker with the interface adhesion of rubber matrix, improves the toughness of glass fibre, and staple glass fibre surface
The problem of modification industrialized production.
The technical solution adopted in the present invention is to improve the side of staple glass fibre/rubber composite interfacial bond property
Method, specifically follows the steps below：
Step 1, by glass fibre by silane coupler surface modification treatment；
Step 2, one layer of Resorcin-Formaldehyde-Latex resin solution is coated by modified glass fibre by impregnation technology,
In 225 DEG C of -235 DEG C of drying；
Step 3, fibre cutting into the chopped fiber of 1-12mm is obtained final product.
Further, in the step 1, the mass concentration of silane coupler is 4%-5%.
Further, in the step 1, silane coupler is, γ-(methacryloxypropyl) propyl trimethoxy silicane,
Any one in γ-glycidyl ether oxygen propyl trimethoxy silicane, gamma-aminopropyl-triethoxy-silane.
Further, in the step 1, the line density of glass fibre is 5000-6000dtex.
Further, in the step 1, glass fibre is alkali-free glass fibre.
Further, in the step 2, the mass concentration of Resorcin-Formaldehyde-Latex resin solution is 12%-14%.
The beneficial effects of the invention are as follows being processed fiberglass surfacing using silane coupler first, then pass through again
Impregnation surface coated treatment, forms glass fibre and the phase transition layer of rubber matrix two, improves interface compatibility, so as to improve glass
The fragility of glass fiber and the bond strength with rubber, improve the enhancing effect of staple glass fibre and the items of rubber composite
Performance.The present invention has the advantages that easy to operate, process stabilizing, pollution-free, and equipment is easily purchased, can be with continuous industry metaplasia
Produce.The pretreated glass chopped fiber product prepared by this method is had very well in the rubber matrixs such as EPDM, CR, SBR, NBR, NR
Dispersion and cohesive.
Specific embodiment
In below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched
State, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
The method for improving staple glass fibre/rubber composite interfacial bond property, specifically follows the steps below：
Step 1, the glass fibre of line density 5000-6000dtex is silane coupled for 4%-5% by mass concentration
Agent surface modification treatment；
Wherein glass fibre is alkali-free glass fibre.
On the one hand it is to increase fiber surface roughness that modified purpose is, that is, increased the surface area of fiber, is improve
Adhesive improves the physical bond power of fiberglass surfacing and adhesive to the wellability of glass fibre；Two is to improve glass fibers
There is the combination of chemical bond in the energy balance relations between dimension table face fractionated molecule, the activity of excitation portion group, and adhesive.
Step 2, last layer RFL tack coats are applied by modified glass fibre by impregnation technology, in 225 DEG C of -235 DEG C of bakings
It is dry；RFL tack coats are Resorcin-Formaldehyde-Latex resin solutions；The mass concentration of Resorcin-Formaldehyde-Latex resin solution
It is 12%-14%.
The bond strength of glass fibre and adhesive linkage is improve by modified painting adhesive linkage,
Step 3, by fibre cutting into the chopped fiber of 1-12mm, that is, obtains the short fibre of pretreated glass for rubber
Dimension, rubber for example has transmission belt, beam, sebific duct, tire, crawler belt etc..Staple glass fibre has very in rubber mass
Good dispersion and reinforcing.
Wherein silane coupler is, γ-(methacryloxypropyl) propyl trimethoxy silicane, γ-glycidyl ether oxygen third
Any one in base trimethoxy silane, gamma-aminopropyl-triethoxy-silane.
Embodiment 1
By the glass fibre of line density 5000-6000dtex by γ-(methacryloxypropyl) third that mass concentration is 4%
Base trimethoxy silane surface modification treatment；By modified glass fibre by impregnation technology coat one layer of resorcinol-formaldehyde-
Latex resin solution, in 225 DEG C of drying；The mass concentration of Resorcin-Formaldehyde-Latex resin solution is 12%.Fiber is cut
The chopped fiber of 1-12mm is broken into, that is, has obtained having fine cohesive and dispersion in the rubber matrixs such as EPDM, CR, SBR, NBR, NR
The pretreated glass chopped fiber product of property.
10 parts of pretreated glass chopped fiber products of 1mm length are disperseed in 100 parts of EPDM rubber matrixes.Use
" hot pressing embrane method " observation pretreated glass chopped fiber is at EPDM points in CN1896369A patents " poly-fibre slurry cake pretreatment "
The situation of dissipating condition, in the film of compacting, pretreated glass chopped fiber does not have agglomeration point, and dispersion effect is preferable
Embodiment 2
By the glass fibre of line density 5000-6000dtex by γ-glycidyl ether oxygen propyl that mass concentration is 5%
Trimethoxy silane surface modification treatment；Modified glass fibre is coated into one layer of resorcinol-formaldehyde-glue by impregnation technology
Cow tree lipoprotein solution, in 235 DEG C of drying；The mass concentration of Resorcin-Formaldehyde-Latex resin solution is 13%.By fibre cutting
Into the chopped fiber of 1-12mm, that is, obtain having fine cohesive and dispersiveness in the rubber matrixs such as EPDM, CR, SBR, NBR, NR
Pretreated glass chopped fiber product.
10 parts of pretreated glass chopped fiber products of 1mm length are disperseed in 100 parts of CR rubber matrixs.Use
" hot pressing embrane method " observation pretreated glass chopped fiber is disperseed in CR in CN1896369A patents " poly-fibre slurry cake pretreatment "
Situation, in the film of compacting, pretreated glass chopped fiber does not have agglomeration point, and dispersion effect is preferable
Embodiment 3
By the glass fibre of line density 5000-6000dtex by gamma-aminopropyl-triethoxy that mass concentration is 4.5%
Silane surface modified treatment；Modified glass fibre is coated into one layer of Resorcin-Formaldehyde-Latex resin by impregnation technology molten
Liquid, in 230 DEG C of drying；The mass concentration of Resorcin-Formaldehyde-Latex resin solution is 14%.By fibre cutting into 1-12mm
Chopped fiber, that is, obtained having the pretreatment of fine cohesive and dispersiveness in the rubber matrixs such as EPDM, CR, SBR, NBR, NR
Staple glass fibre product.
10 parts of pretreated glass chopped fiber products of 1mm length are disperseed in 100 parts of SBR rubber matrixes.Use
" hot pressing embrane method " observation pretreated glass chopped fiber is disperseed in SBR in CN1896369A patents " poly-fibre slurry cake pretreatment "
Situation, in the film of compacting, pretreated glass chopped fiber does not have agglomeration point, and dispersion effect is preferable.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent substitution and improvements made within the spirit and principles in the present invention etc., are all contained in protection scope of the present invention
It is interior.
Claims (6)
1. the method for improving staple glass fibre/rubber composite interfacial bond property, it is characterised in that specifically according to following step
Suddenly carry out：
Step 1, by glass fibre by silane coupler surface modification treatment；
Step 2, one layer of Resorcin-Formaldehyde-Latex resin solution is coated by modified glass fibre by impregnation technology,
225 DEG C of -235 DEG C of drying；
Step 3, fibre cutting into the chopped fiber of 1-12mm is obtained final product.
2. it is according to claim 1 improve staple glass fibre/rubber composite interfacial bond property method, its feature
It is that in the step 1, the mass concentration of silane coupler is 4%-5%.
3. it is according to claim 1 and 2 improve staple glass fibre/rubber composite interfacial bond property method, its
It is characterised by, in the step 1, silane coupler is that γ-(methacryloxypropyl) propyl trimethoxy silicane, γ-shrink are sweet
Any one in oily ether oxygen propyl trimethoxy silicane, gamma-aminopropyl-triethoxy-silane.
4. it is according to claim 1 improve staple glass fibre/rubber composite interfacial bond property method, its feature
It is that in the step 1, the line density of glass fibre is 5000-6000dtex.
5. according to claim 1 or 4 raising staple glass fibre/rubber composite interfacial bond property method, its
It is characterised by, in the step 1, glass fibre is alkali-free glass fibre.
6. it is according to claim 1 improve staple glass fibre/rubber composite interfacial bond property method, its feature
It is that in the step 2, the mass concentration of Resorcin-Formaldehyde-Latex resin solution is 12%-14%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710128591.4A CN106832415A (en) | 2017-03-06 | 2017-03-06 | The method for improving staple glass fibre/rubber composite interfacial bond property |
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| CN201710128591.4A CN106832415A (en) | 2017-03-06 | 2017-03-06 | The method for improving staple glass fibre/rubber composite interfacial bond property |
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| CN201710128591.4A Pending CN106832415A (en) | 2017-03-06 | 2017-03-06 | The method for improving staple glass fibre/rubber composite interfacial bond property |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351753A (en) * | 2018-10-27 | 2019-02-19 | 河南教育学院 | The recovery method of glass fibre in a kind of discarded circuit board |
| CN115447171A (en) * | 2022-08-11 | 2022-12-09 | 航天特种材料及工艺技术研究所 | Method for reducing surface roughness of fiber reinforced resin matrix wave-transparent composite material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3718449A (en) * | 1970-12-01 | 1973-02-27 | Ppg Industries Inc | Sizing, coating and combined sizing and coating composition for glass fibers |
| US3773546A (en) * | 1971-11-26 | 1973-11-20 | Owens Corning Fiberglass Corp | Coated glass fibers and glass fiber reinforced elastomers |
| US4014835A (en) * | 1973-04-27 | 1977-03-29 | Owens-Corning Fiberglas Corporation | Composition comprising a blend of a resorcinol-aldehyde resin; an elastomer and an organo silicon coupling system |
| JPS5973453A (en) * | 1982-10-20 | 1984-04-25 | Sumitomo Chem Co Ltd | Surface-treated reinforcing glass fiber |
| JPS6175836A (en) * | 1984-09-20 | 1986-04-18 | 日本硝子繊維株式会社 | Glass fiber code |
| CN101654527A (en) * | 2008-08-22 | 2010-02-24 | 浙江龙盛化工研究有限公司 | Production process of fiberglass threads used for rubber reinforcement |
-
2017
- 2017-03-06 CN CN201710128591.4A patent/CN106832415A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3718449A (en) * | 1970-12-01 | 1973-02-27 | Ppg Industries Inc | Sizing, coating and combined sizing and coating composition for glass fibers |
| US3773546A (en) * | 1971-11-26 | 1973-11-20 | Owens Corning Fiberglass Corp | Coated glass fibers and glass fiber reinforced elastomers |
| US4014835A (en) * | 1973-04-27 | 1977-03-29 | Owens-Corning Fiberglas Corporation | Composition comprising a blend of a resorcinol-aldehyde resin; an elastomer and an organo silicon coupling system |
| JPS5973453A (en) * | 1982-10-20 | 1984-04-25 | Sumitomo Chem Co Ltd | Surface-treated reinforcing glass fiber |
| JPS6175836A (en) * | 1984-09-20 | 1986-04-18 | 日本硝子繊維株式会社 | Glass fiber code |
| CN101654527A (en) * | 2008-08-22 | 2010-02-24 | 浙江龙盛化工研究有限公司 | Production process of fiberglass threads used for rubber reinforcement |
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| 杜寿全: "增强橡胶用玻璃纤维的表面处理方法", 《玻璃纤维》 * |
| 梁国正等: "《模压成型技术》", 30 June 1999 * |
| 王立久等: "《建筑材料学》", 31 December 2008 * |
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| 耿琴玉等: "《纺织纤维与产品》", 30 September 2007 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351753A (en) * | 2018-10-27 | 2019-02-19 | 河南教育学院 | The recovery method of glass fibre in a kind of discarded circuit board |
| CN109351753B (en) * | 2018-10-27 | 2021-06-29 | 河南教育学院 | Method for recovering glass fiber in waste circuit board |
| CN115447171A (en) * | 2022-08-11 | 2022-12-09 | 航天特种材料及工艺技术研究所 | Method for reducing surface roughness of fiber reinforced resin matrix wave-transparent composite material |
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Application publication date: 20170613 |
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