CN108793775A - A kind of aqueous epoxy resin emulsion and its synthetic method for glass fibre - Google Patents
A kind of aqueous epoxy resin emulsion and its synthetic method for glass fibre Download PDFInfo
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- CN108793775A CN108793775A CN201810991383.1A CN201810991383A CN108793775A CN 108793775 A CN108793775 A CN 108793775A CN 201810991383 A CN201810991383 A CN 201810991383A CN 108793775 A CN108793775 A CN 108793775A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/465—Coatings containing composite materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C03C25/36—Epoxy resins
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Epoxy Resins (AREA)
- Reinforced Plastic Materials (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The invention discloses a kind of aqueous epoxy resin emulsions for glass fibre, according to the mass fraction：Include 693~1434 parts of bisphenol-A liquid epoxy resin, 432~1071 parts of nonionic surfactant, 693~1434 parts of viscosity modifier, 442~1065 parts of pH adjusting agent, 3862~6908 parts of deionized water.After existing size is added in the present invention so that existing size is more powerful to boundling, the lubricating action of glass fibre, keeps glass fibre Homes Using TV height, fracture of wire in production few, improves production efficiency.
Description
Technical field
The invention belongs to glass fibre auxiliary film former technical field more particularly to a kind of aqueous rings for glass fibre
Oxygen resin emulsion and its synthetic method.
Background technology
Glass fibre is inorganic non-metallic functionality new material, has high intensity, corrosion-resistant, electrical isolation, heat-insulated, suction
Sound, the good characteristics such as lightweight, moisture absorption is small, elongation is low, are widely used in building materials, rail traffic, petrochemical industry, automobile
The fields such as manufacture, wind-power electricity generation, space flight and aviation, environmental project, however since glass fibre has the characteristics such as not folding, brittleness height
It cannot directly use, need to coat size when glass fibre produces, it is made to play lubrication, bonding, boundling etc. in production
Effect, prevents from wearing between glass fiber single filament, coats the glass fibre of size, can meet glass fibre further processing,
Glass fibre can simultaneously obtained has good compatibility and surface chemistry to be combined or the performances such as chemisorption with base material.At present
The size used makes glass fibre that in production, Homes Using TV is low, fracture of wire is more, low production efficiency, and is merged with glass fibre
Degree is not high, causes glass fibre low with the composite material physical property of size.
A kind of glass fibre auxiliary film former is studied to improve the performance of existing size, is that researcher needs to solve at present
Certainly the technical issues of.
Invention content
The present invention provides a kind of aqueous epoxy resin emulsions and its synthetic method for glass fibre, solve existing
Size make glass fibre production when Homes Using TV is low, fracture of wire is more, low production efficiency and with the degrees of fusion of glass fibre not
Height, the technical problem for causing glass fibre low with the composite material physical property of size.
Technical scheme is as follows：
A kind of aqueous epoxy resin emulsion for glass fibre, which is characterized in that according to the mass fraction：Including 1525~
2568 parts of bisphenol-A liquid epoxy resin, 432~1071 parts of nonionic surfactant, 693~1434 parts of viscosity tune
Save agent, 442~1065 parts of pH adjusting agent, 3862~6908 parts of deionized water.
Further, the bisphenol-A liquid epoxy resin is 2046 parts, 751 parts of nonionic surfactant, viscosity tune
Save 1063 parts of agent, 753 parts of pH adjusting agent, 5385 parts of deionized water.
Further, the nonionic surfactant is diethanol amine, and the viscosity modifier is polyethylene glycol.
A kind of synthetic method of aqueous epoxy resin emulsion for glass fibre, steps are as follows：
(1) bisphenol-A liquid epoxy resin is mixed with viscosity modifier, is stirred liquid using mechanical agitator, stirs
Machine speed is mixed after 0r/min rises to 1500r/min, is mixed 20-40 minutes under the rotating speed of 1500r/min, then stirring
Mixed liquor after mixing is put into reaction kettle.
(2) nonionic surfactant is added dropwise, was added at 50-70 minutes, it is 90 that temperature of reaction kettle is kept during being added dropwise
It DEG C -110 DEG C, reacts 50-70 minutes.
(3) it is slowly added to pH adjusting agent, stirs 20-30 minutes, is eventually adding deionized water.
Further, the bisphenol-A liquid epoxy resin and viscosity modifier are under the rotating speed of blender 1500r/min
It is mixed 30 minutes；Nonionic surfactant adds for 60 minutes；It is 100 DEG C that temperature of reaction kettle is kept during being added dropwise, instead
It answers 60 minutes；After being slowly added to pH adjusting agent, mixing time is 25 minutes.
Beneficial effects of the present invention：The present invention is added as a kind of glass fibre auxiliary film former in existing size, makes
After obtaining size coating on the glass fibers, the epoxy resin latex in size is dried through 120 DEG C, is agglomerated into resin tunic,
Fiberglass surfacing uniformly is spread over, boundling and lubricating action are played to glass fibre, size adhesive force is improved, infiltration can be made
The raising of agent viscosity, enhances plasticity and deflection, reduces lousiness and generates, and keeps glass fibre Homes Using TV height, fracture of wire in production few, to
Improve production efficiency.Aqueous epoxy resin emulsion is easy to happen with fiberglass coupling agents, the matrix resin in existing size
Chemical reaction, improves the physical property of composite material.The invention enables existing sizes to make the boundling of glass fibre, lubrication
With more powerful, make that glass fibre Homes Using TV in production is high, fracture of wire is few, improves production efficiency.
Specific implementation mode
With reference to embodiment, the invention will be further described：
A kind of aqueous epoxy resin emulsion for glass fibre, which is characterized in that according to the mass fraction：Including 1525~
2568 parts of bisphenol-A liquid epoxy resin, 432~1071 parts of nonionic surfactant, 693~1434 parts of viscosity tune
Save agent, 442~1065 parts of pH adjusting agent, 3862~6908 parts of deionized water.
Further, the bisphenol-A liquid epoxy resin is 2046 parts, 751 parts of nonionic surfactant, viscosity tune
Save 1063 parts of agent, 753 parts of pH adjusting agent, 5385 parts of deionized water.In this way so that each component passes through the water arrived after chemical reaction
Property epoxy resin latex is more, improves production efficiency, cost-effective.
A kind of synthetic method of aqueous epoxy resin emulsion for glass fibre, steps are as follows：
(1) bisphenol-A liquid epoxy resin is mixed with viscosity modifier, is stirred liquid using mechanical agitator, stirs
Machine speed is mixed after 0r/min rises to 1500r/min, is mixed 20-40 minutes under the rotating speed of 1500r/min, then stirring
Mixed liquor after mixing is put into reaction kettle.
Further, the nonionic surfactant is diethanol amine, and the viscosity modifier is polyethylene glycol.
Diethanol amine is easy to moisture absorption, sensitive to light and oxygen, and this product should be set in gas-tight container, drying, cool place, be protected from light under the conditions of
It places, diethanol amine can make wetting agent and emulsifier so that the profit China property of aqueous epoxy resin emulsion is stronger, and speed of production is more
Soon.Polyethylene glycol acts not only as bonding agent, also has good greasy property, can improve the profit of aqueous epoxy resin emulsion
Slip.
(2) nonionic surfactant is added dropwise, was added at 50-70 minutes, it is 90 that temperature of reaction kettle is kept during being added dropwise
It DEG C -110 DEG C, reacts 50-70 minutes；
(3) it is slowly added to pH adjusting agent, stirs 20-30 minutes, is eventually adding deionized water.
Further, the bisphenol-A liquid epoxy resin and viscosity modifier are under the rotating speed of blender 1500r/min
It is mixed 30 minutes；Nonionic surfactant adds for 60 minutes；It is 100 DEG C that temperature of reaction kettle is kept during being added dropwise, instead
It answers 60 minutes；After being slowly added to pH adjusting agent, mixing time is 25 minutes.In this way so that aqueous epoxy resin emulsion is in production
The obtained finished product of same material is more, better quality, and it is cost-effective to improve yield.
A kind of aqueous epoxy resin emulsion for glass fibre：
Embodiment 1 includes 1525 parts of bisphenol-A liquid epoxy resin, 432 parts of nonionic table according to the mass fraction
Face activating agent, 693 parts of viscosity modifier, 442 parts of pH adjusting agent, 2900 parts of deionized water.
Embodiment 2, is measured according to the mass fraction, includes 2046 parts of bisphenol-A liquid epoxy resin, 751 parts of nonionic
Surfactant, 1063 parts of viscosity modifier, 753 parts of pH adjusting agent, 5385 parts of deionized water.
Embodiment 3, according to the mass fraction：Include 2568 parts of bisphenol-A liquid epoxy resin, 751 parts of nonionic table
Face activating agent, 1434 parts of viscosity modifier, 1065 parts of pH adjusting agent, 6098 parts of deionized water.
After the aqueous epoxy resin emulsion that embodiment 1-3 is obtained is added in size, collection of the size to glass fibre
Beam, lubricating action are more powerful, keep glass fibre Homes Using TV height, fracture of wire in production few, improve production efficiency.And addition is implemented
The best results of the size of the aqueous epoxy resin emulsion obtained in example 2, so embodiment 2 is most preferred embodiment.
A kind of synthetic method of aqueous epoxy resin emulsion for glass fibre：
Embodiment 1, steps are as follows：
(1) bisphenol-A liquid epoxy resin is mixed with viscosity modifier, is stirred liquid using mechanical agitator, stirs
Machine speed is mixed after 0r/min rises to 1500r/min, is mixed 20 minutes under the rotating speed of 1500r/min, then stirring
Mixed liquor afterwards is put into reaction kettle；
(2) nonionic surfactant is added dropwise, was added at 50 minutes, it is 90 DEG C that temperature of reaction kettle is kept during being added dropwise
Reaction 50 minutes；
(3) it is slowly added to pH adjusting agent, stirs 20 minutes, is eventually adding deionized water.
Embodiment 2, steps are as follows：
(1) bisphenol-A liquid epoxy resin is mixed with viscosity modifier, is stirred liquid using mechanical agitator, stirs
Machine speed is mixed after 0r/min rises to 1500r/min, is mixed 30 minutes under the rotating speed of 1500r/min, then stirring
Mixed liquor afterwards is put into reaction kettle；
(2) nonionic surfactant is added dropwise, was added at 60 minutes, 100 DEG C of temperature of reaction kettle is kept during being added dropwise,
Reaction 60 minutes；
(3) it is slowly added to pH adjusting agent, stirs 25 minutes, is eventually adding deionized water.
Embodiment 3, steps are as follows：
(1) bisphenol-A liquid epoxy resin is mixed with viscosity modifier, is stirred liquid using mechanical agitator, stirs
Machine speed is mixed after 0r/min rises to 1500r/min, is mixed 40 minutes under the rotating speed of 1500r/min, then stirring
Mixed liquor afterwards is put into reaction kettle；
(2) nonionic surfactant is added dropwise, was added at 70 minutes, it is 110 that temperature of reaction kettle is kept during being added dropwise
DEG C, it reacts 70 minutes；
(3) it is slowly added to pH adjusting agent, stirs 30 minutes, is eventually adding deionized water.
After the aqueous epoxy resin emulsion that method in embodiment 1-3 obtains is added in size, size is to glass
Boundling, the lubricating action of fiber are more powerful, keep glass fibre Homes Using TV height, fracture of wire in production few, improve production efficiency.It is real
It applies manufactured aqueous epoxy resin emulsion in example 2 and not only so that size is better, the time used at the same time is than embodiment 3
Few, temperature requirement is lower, cost-effective, so embodiment 2 is most preferred embodiment.
Comparative example 1
Advantageous effect in order to further illustrate the present invention selects currently used ordinary epoxy resin lotion as a comparison
Embodiment
The aqueous epoxy resin emulsion of the present invention is compared with ordinary epoxy resin lotion
| Ordinary epoxy resin lotion | Aqueous epoxy resin emulsion | |
| Stand 90 days | It is slight to be layered, without precipitation | Without precipitation, without layering |
| Stand 180 days | It is slightly layered, has precipitation | Without precipitation, without layering |
| Stand 360 days | It is obviously layered, has precipitation | Without layering, without precipitation |
| Emulsion particle diameter (nanometer) | 100~2000 | 200~300 |
| It centrifuges (gram) | 15 | 0.1 |
The aqueous epoxy resin emulsion that data above can be seen that synthesis stands 360 days without layering and precipitating phenomenon, and common
Epoxy resin latex has had apparent layering and precipitation, and ordinary epoxy resin emulsion particle diameter range is wide, grain size deviation is big, and this hair
Bright aqueous epoxy resin emulsion uniform particle sizes, using desk centrifuge 18000 revs/min of condition tests, two kinds of lotions centrifugation
Weight, 500 grams of ordinary epoxy resin lotion centrifugal weights are 15 grams, and aqueous epoxy resin emulsion centrifugal weight is 0.1 gram.This
The aqueous epoxy resin emulsion of invention, stability is good, and particle is uniform, and storage time is long.
Comparative example 2
The aqueous epoxy resin emulsion equal proportion of the present invention is replaced into the epoxy film former in the direct yarn formula of glass fibre,
It is produced into 22 microns of single fiber diameter, the precursor of number 2400tex, 122 degree dry 24 hours, after 6 hours cooling, then carry out
Detection.
The yarn made using synthesis aqueous epoxy resin emulsion rolls into a ball end face without lousiness, and yam surface is smooth, crocking resistance
Superior, yarn convergence is good, and fracture strength is big, and combustible content is high, illustrates that the aqueous epoxy resin emulsion is easy to stick on yarn
Line surface forms stabilization, continuity film, has extremely strong benefit for the protection of yarn, can improve downstream client after drying
Production efficiency.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (5)
1. a kind of aqueous epoxy resin emulsion for glass fibre, which is characterized in that according to the mass fraction：Including 1525~
2568 parts of bisphenol-A liquid epoxy resin, 432~1071 parts of nonionic surfactant, 693~1434 parts of viscosity tune
Save agent, 442~1065 parts of pH adjusting agent, 3862~6908 parts of deionized water.
2. a kind of aqueous epoxy resin emulsion for glass fibre according to claim 1, which is characterized in that the bis-phenol
A type liquid epoxies is 2046 parts, 751 parts of nonionic surfactant, 1063 parts of viscosity modifier, 753 parts of pH adjusting agent,
5385 parts of deionized water.
3. a kind of aqueous epoxy resin emulsion for glass fibre according to claim 1, which is characterized in that it is described it is non-from
Sub- surfactant is diethanol amine, and the viscosity modifier is polyethylene glycol.
4. a kind of synthetic method of aqueous epoxy resin emulsion for glass fibre, which is characterized in that steps are as follows：
(1) bisphenol-A liquid epoxy resin is mixed with viscosity modifier, liquid, blender is stirred using mechanical agitator
Speed is mixed 20-40 minutes, then after stirring after 0r/min rises to 1500r/min under the rotating speed of 1500r/min
Mixed liquor be put into reaction kettle；
(2) be added dropwise nonionic surfactant, added at 50-70 minute, be added dropwise during keep temperature of reaction kettle for 90 DEG C-
It 110 DEG C, reacts 50-70 minutes；
(3) it is slowly added to pH adjusting agent, stirs 20-30 minutes, is eventually adding deionized water.
5. a kind of synthetic method of aqueous epoxy resin emulsion for glass fibre, feature exist according to claim 2
In the bisphenol-A liquid epoxy resin is mixed 30 points with viscosity modifier under the rotating speed of blender 1500r/min
Clock；Nonionic surfactant adds for 60 minutes；It is 100 DEG C that temperature of reaction kettle is kept during being added dropwise, and is reacted 60 minutes；It is slow
After slow addition pH adjusting agent, mixing time is 25 minutes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991383.1A CN108793775A (en) | 2018-08-29 | 2018-08-29 | A kind of aqueous epoxy resin emulsion and its synthetic method for glass fibre |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991383.1A CN108793775A (en) | 2018-08-29 | 2018-08-29 | A kind of aqueous epoxy resin emulsion and its synthetic method for glass fibre |
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| CN108793775A true CN108793775A (en) | 2018-11-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110981222A (en) * | 2019-12-12 | 2020-04-10 | 南京玻璃纤维研究设计院有限公司 | Glass fiber impregnating compound and preparation method and application thereof |
| CN112047645A (en) * | 2020-09-01 | 2020-12-08 | 武汉思越化学技术有限公司 | Multifunctional water repellent for mineral fibers |
| CN117429043A (en) * | 2023-12-22 | 2024-01-23 | 四川大学 | PLA-PBAT biodegradable film with high-efficiency capacity enhancement and filler distribution control and preparation method thereof |
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