CN109081612A - A kind of enhancing nylon glass fiber size and preparation method thereof - Google Patents
A kind of enhancing nylon glass fiber size and preparation method thereof Download PDFInfo
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- CN109081612A CN109081612A CN201810846116.5A CN201810846116A CN109081612A CN 109081612 A CN109081612 A CN 109081612A CN 201810846116 A CN201810846116 A CN 201810846116A CN 109081612 A CN109081612 A CN 109081612A
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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
- C03C25/24—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
- C03C25/326—Polyureas; Polyurethanes
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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
- C03C25/24—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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- 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
- C03C25/40—Organo-silicon compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6659—Compounds of group C08G18/42 with compounds of group C08G18/34
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6662—Compounds of group C08G18/42 with compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
- C08J5/08—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials glass fibres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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Abstract
The present invention provides a kind of enhancing nylon glass fiber sizes, it is made of by weight following component: castor oil modified aqueous polyurethane 30-50 parts, acrylate/20-40 parts of organosilicon grafted and modified aqueous epoxy resins, 4-8 parts of ethylene bis stearic acid amide, 2-6 parts of methyl dioleate, 3-8 parts of hexadecyltrimethylammonium chloride, 5-10 parts of nitrate of (stearamidopropyl dimethyl-beta-hydroxyethyl amine), silane resin acceptor kh-550 is 10-15 parts, LiCl is 10-18 parts, 4-10 parts of chitosan, 40-50 parts of the acetic acid aqueous solution of 2wt%, 100-200 parts of deionized water.Kind of the invention enhances nylon glass fiber size, good using the compatibility for enhancing nylon after the size, high mechanical properties.
Description
Technical field
The present invention relates to glass fiber infiltration agent fields, and in particular to a kind of enhancing nylon glass fiber size.
Background technique
Glass fibre has a wide range of applications in field of compound material, is mainly used for reinforced resin based composites.Glass
It is very big on composite property influence with the interfacial combined function of resin matrix, depend mainly on the physical chemistry on glass surface
Structure and the mutual matching relationship of resin matrix.In glass fibre production process, can glass surface coat one layer by
The sizing agent of the aqueous mixture of film, coupling agent and other additives composition, referred to as size.Size can improve glass
The processing technology of glass fiber and resin matrix, and the interface compatibility of the two can be greatlyd improve, maximize the object of material
Manage mechanical property.But be different glass fibre it is compatible from different resin matrixes when, need through different size starchings, this
The purpose of invention is to provide a kind of fiber size for enhancing nylon, and the effect of size mainly enhances alkali-free glass fibre
Nylon chopped strand has good convergence, non-fibrillation, is easy to be chopped, provides fiber good protective value；And guarantee
It is subsequent few using low electrostatic, lousiness in technique, while having good compatibility with plastic substrate, to reach this requirement, it is necessary to select
Select suitable sizing system.
Summary of the invention
Technical problems to be solved: the object of the present invention is to provide a kind of enhancing nylon glass fiber sizes, use this
The compatibility for enhancing nylon after size is good, high mechanical properties.
Technical solution: a kind of enhancing nylon glass fiber size is made of by weight following component:
Castor oil modified aqueous polyurethane 30-50 parts, acrylate/20-40 parts of organosilicon grafted and modified aqueous epoxy resins, second
Double 4-8 parts of the stearic amides of support, 2-6 parts of methyl dioleate, 3-8 parts of hexadecyltrimethylammonium chloride, (stearmide
Propyl-dimethyl-beta-hydroxyethyl amine) 5-10 parts of nitrate, silane resin acceptor kh-550 is 10-15 parts, and LiCl is 10-18 parts, shell
4-10 parts of glycan, 40-50 parts of the acetic acid aqueous solution of 2wt%, 100-200 parts of deionized water；
Wherein castor oil modified aqueous polyurethane the preparation method comprises the following steps: by polyethylene glycol adipate, castor oil and dihydroxymethyl
Propionic acid is dried in vacuo removing moisture at 100 DEG C, by polyethylene glycol adipate, castor oil and toluene di-isocyanate(TDI), wherein
The molar ratio 1:3 of polyethylene glycol adipate and toluene di-isocyanate(TDI), and two drop dibutyl tin dilaurates are added dropwise, at 50 DEG C
Dihydromethyl propionic acid, the molar ratio l:1 of dihydromethyl propionic acid and polyethylene glycol adipate, at 70 DEG C is added in pre-polymerization 45min
It reacts 4h and forms castor oil aqueous polyurethane emulsion after cooling dilution is neutralized with triethylamine.
A kind of preparation method of above-mentioned enhancing nylon glass fiber size, comprising the following steps:
S1. chitosan is dissolved in the acetic acid aqueous solution of 2wt%, obtains chitosan acetic acid solution；
S2. LiCl is dissolved in deionized water, then sequentially adds ethylene bis stearic acid amide, methyl dioleate,
Hexadecyltrimethylammonium chloride and (stearamidopropyl dimethyl-beta-hydroxyethyl amine) nitrate, after ultrasonic mixing is uniform, add
Entering castor oil modified aqueous polyurethane and acrylate/organosilicon grafted and modified aqueous epoxy resins, continuation ultrasonic mixing is uniform,
Ultrasonic power is 500-2000W, and time 40-100min adds silane resin acceptor kh-550, stirs evenly, mixed
Solution；
S3. finally chitosan acetic acid solution is added dropwise in mixed solution, is added dropwise in 50min, stirred, obtain when being added dropwise
To size.
The utility model has the advantages that of the invention having the advantage that passes through Li+Complexing has occurred between amide group, again
It will increase the interaction force between macromolecular chain, improve the rigidity of high polymer, rigid increase；Castor oil modified aqueous polyurethane
As the film forming agent in size, it has excellent wearability, high resiliency and good cementability, effectively improve glass with
Interfacial adhesion between resin can prevent fiber surface in one layer of glass shaping surface thicker and tough and tensile continuous protective film
Frictionally damage meets the needs of high-speed wire-drawing technique, is conducive to the mechanical property for improving composite material.
Specific embodiment
In following embodiment and comparative example, castor oil modified aqueous polyurethane the preparation method comprises the following steps: by polyadipate second two
Alcohol ester, castor oil and dihydromethyl propionic acid are dried in vacuo removing moisture at 100 DEG C, by polyethylene glycol adipate, castor oil
And toluene di-isocyanate(TDI), the wherein molar ratio 1:3 of polyethylene glycol adipate and toluene di-isocyanate(TDI), and two drop two of dropwise addition
Dihydromethyl propionic acid, dihydromethyl propionic acid and polyadipate ethylene glycol is added in butyl tin dilaurate tin, pre-polymerization 45min at 50 DEG C
The molar ratio l:1 of ester reacts 4h at 70 DEG C and forms castor oil aqueous polyurethane emulsion after cooling dilution is neutralized with triethylamine.
Embodiment 1
A kind of enhancing nylon glass fiber size, is made of by weight following component:
50 parts of castor oil modified aqueous polyurethane, acrylate/40 parts of organosilicon grafted and modified aqueous epoxy resins, ethylene are double hard
8 parts of resin acid amide, 2 parts of methyl dioleate, 3 parts of hexadecyltrimethylammonium chloride, (stearamidopropyl dimethyl-
Beta-hydroxyethyl amine) 10 parts of nitrate, silane resin acceptor kh-550 be 15 parts, LiCl be 10 parts, 4 parts of chitosan, the acetic acid of 2wt%
40 parts of aqueous solution, 100 parts of deionized water；
A kind of preparation method of above-mentioned enhancing nylon glass fiber size, comprising the following steps:
S1. chitosan is dissolved in the acetic acid aqueous solution of 2wt%, obtains chitosan acetic acid solution；
S2. LiCl is dissolved in deionized water, then sequentially adds ethylene bis stearic acid amide, methyl dioleate,
Hexadecyltrimethylammonium chloride and (stearamidopropyl dimethyl-beta-hydroxyethyl amine) nitrate, after ultrasonic mixing is uniform, add
Entering castor oil modified aqueous polyurethane and acrylate/organosilicon grafted and modified aqueous epoxy resins, continuation ultrasonic mixing is uniform,
Ultrasonic power is 500W, and time 100min adds silane resin acceptor kh-550, stirs evenly, obtains mixed solution；
S3. finally chitosan acetic acid solution is added dropwise in mixed solution, is added dropwise in 50min, stirred, obtain when being added dropwise
To size.
Embodiment 2
A kind of enhancing nylon glass fiber size, is made of by weight following component:
30 parts of castor oil modified aqueous polyurethane, acrylate/20 parts of organosilicon grafted and modified aqueous epoxy resins, ethylene are double hard
4 parts of resin acid amide, 6 parts of methyl dioleate, 8 parts of hexadecyltrimethylammonium chloride, (stearamidopropyl dimethyl-
Beta-hydroxyethyl amine) 5 parts of nitrate, silane resin acceptor kh-550 be 10 parts, LiCl be 18 parts, 10 parts of chitosan, the acetic acid of 2wt%
50 parts of aqueous solution, 200 parts of deionized water；
A kind of preparation method of above-mentioned enhancing nylon glass fiber size, comprising the following steps:
S1. chitosan is dissolved in the acetic acid aqueous solution of 2wt%, obtains chitosan acetic acid solution；
S2. LiCl is dissolved in deionized water, then sequentially adds ethylene bis stearic acid amide, methyl dioleate,
Hexadecyltrimethylammonium chloride and (stearamidopropyl dimethyl-beta-hydroxyethyl amine) nitrate, after ultrasonic mixing is uniform, add
Entering castor oil modified aqueous polyurethane and acrylate/organosilicon grafted and modified aqueous epoxy resins, continuation ultrasonic mixing is uniform,
Ultrasonic power is 2000W, and time 40min adds silane resin acceptor kh-550, stirs evenly, obtains mixed solution；
S3. finally chitosan acetic acid solution is added dropwise in mixed solution, is added dropwise in 50min, stirred, obtain when being added dropwise
To size.
Embodiment 3
A kind of enhancing nylon glass fiber size, is made of by weight following component:
35 parts of castor oil modified aqueous polyurethane, acrylate/35 parts of organosilicon grafted and modified aqueous epoxy resins, ethylene are double hard
5 parts of resin acid amide, 3 parts of methyl dioleate, 5 parts of hexadecyltrimethylammonium chloride, (stearamidopropyl dimethyl-
Beta-hydroxyethyl amine) 7 parts of nitrate, silane resin acceptor kh-550 be 12 parts, LiCl be 13 parts, 8 parts of chitosan, the acetic acid water of 2wt%
50 parts of solution, 140 parts of deionized water；
A kind of preparation method of above-mentioned enhancing nylon glass fiber size, comprising the following steps:
S1. chitosan is dissolved in the acetic acid aqueous solution of 2wt%, obtains chitosan acetic acid solution；
S2. LiCl is dissolved in deionized water, then sequentially adds ethylene bis stearic acid amide, methyl dioleate,
Hexadecyltrimethylammonium chloride and (stearamidopropyl dimethyl-beta-hydroxyethyl amine) nitrate, after ultrasonic mixing is uniform, add
Entering castor oil modified aqueous polyurethane and acrylate/organosilicon grafted and modified aqueous epoxy resins, continuation ultrasonic mixing is uniform,
Ultrasonic power is 1000W, and time 80min adds silane resin acceptor kh-550, stirs evenly, obtains mixed solution；
S3. finally chitosan acetic acid solution is added dropwise in mixed solution, is added dropwise in 50min, stirred, obtain when being added dropwise
To size.
Embodiment 4
A kind of enhancing nylon glass fiber size, is made of by weight following component:
45 parts of castor oil modified aqueous polyurethane, acrylate/28 parts of organosilicon grafted and modified aqueous epoxy resins, ethylene are double hard
7 parts of resin acid amide, 5 parts of methyl dioleate, 7 parts of hexadecyltrimethylammonium chloride, (stearamidopropyl dimethyl-
Beta-hydroxyethyl amine) 8 parts of nitrate, silane resin acceptor kh-550 be 14 parts, LiCl be 16 parts, 6 parts of chitosan, the acetic acid water of 2wt%
40 parts of solution, 180 parts of deionized water；
A kind of preparation method of above-mentioned enhancing nylon glass fiber size, comprising the following steps:
S1. chitosan is dissolved in the acetic acid aqueous solution of 2wt%, obtains chitosan acetic acid solution；
S2. LiCl is dissolved in deionized water, then sequentially adds ethylene bis stearic acid amide, methyl dioleate,
Hexadecyltrimethylammonium chloride and (stearamidopropyl dimethyl-beta-hydroxyethyl amine) nitrate, after ultrasonic mixing is uniform, add
Entering castor oil modified aqueous polyurethane and acrylate/organosilicon grafted and modified aqueous epoxy resins, continuation ultrasonic mixing is uniform,
Ultrasonic power is 1600W, and time 60min adds silane resin acceptor kh-550, stirs evenly, obtains mixed solution；
S3. finally chitosan acetic acid solution is added dropwise in mixed solution, is added dropwise in 50min, stirred, obtain when being added dropwise
To size.
Embodiment 5
A kind of enhancing nylon glass fiber size, is made of by weight following component:
40 parts of castor oil modified aqueous polyurethane, acrylate/32 parts of organosilicon grafted and modified aqueous epoxy resins, ethylene are double hard
6 parts of resin acid amide, 4 parts of methyl dioleate, 6 parts of hexadecyltrimethylammonium chloride, (stearamidopropyl dimethyl-
Beta-hydroxyethyl amine) 7 parts of nitrate, silane resin acceptor kh-550 be 13 parts, LiCl be 15 parts, 7 parts of chitosan, the acetic acid water of 2wt%
45 parts of solution, 160 parts of deionized water；
A kind of preparation method of above-mentioned enhancing nylon glass fiber size, comprising the following steps:
S1. chitosan is dissolved in the acetic acid aqueous solution of 2wt%, obtains chitosan acetic acid solution；
S2. LiCl is dissolved in deionized water, then sequentially adds ethylene bis stearic acid amide, methyl dioleate,
Hexadecyltrimethylammonium chloride and (stearamidopropyl dimethyl-beta-hydroxyethyl amine) nitrate, after ultrasonic mixing is uniform, add
Entering castor oil modified aqueous polyurethane and acrylate/organosilicon grafted and modified aqueous epoxy resins, continuation ultrasonic mixing is uniform,
Ultrasonic power is 140W, and time 70min adds silane resin acceptor kh-550, stirs evenly, obtains mixed solution；
S3. finally chitosan acetic acid solution is added dropwise in mixed solution, is added dropwise in 50min, stirred, obtain when being added dropwise
To size.
Comparative example 1
A kind of enhancing nylon glass fiber size, is made of by weight following component:
50 parts of aqueous polyurethane, acrylate/40 parts of organosilicon grafted and modified aqueous epoxy resins, ethylene bis stearic acid amide 8
Part, 2 parts of methyl dioleate, 3 parts of hexadecyltrimethylammonium chloride, (stearamidopropyl dimethyl-beta-hydroxyethyl
Amine) 10 parts of nitrate, silane resin acceptor kh-550 be 15 parts, LiCl be 10 parts, 4 parts of chitosan, the acetic acid aqueous solution 40 of 2wt%
Part, 100 parts of deionized water；
A kind of preparation method of above-mentioned enhancing nylon glass fiber size, comprising the following steps:
S1. chitosan is dissolved in the acetic acid aqueous solution of 2wt%, obtains chitosan acetic acid solution；
S2. LiCl is dissolved in deionized water, then sequentially adds ethylene bis stearic acid amide, methyl dioleate,
Hexadecyltrimethylammonium chloride and (stearamidopropyl dimethyl-beta-hydroxyethyl amine) nitrate, after ultrasonic mixing is uniform, add
Enter aqueous polyurethane and acrylate/organosilicon grafted and modified aqueous epoxy resins, continuation ultrasonic mixing is uniform, and ultrasonic power is
500W, time 100min, adds silane resin acceptor kh-550, stirs evenly, and obtains mixed solution；
S3. finally chitosan acetic acid solution is added dropwise in mixed solution, is added dropwise in 50min, stirred, obtain when being added dropwise
To size.
Comparative example 2
A kind of enhancing nylon glass fiber size, is made of by weight following component:
30 parts of castor oil modified aqueous polyurethane, acrylate/20 parts of organosilicon grafted and modified aqueous epoxy resins, ethylene are double hard
4 parts of resin acid amide, 6 parts of methyl dioleate, 8 parts of hexadecyltrimethylammonium chloride, (stearamidopropyl dimethyl-
Beta-hydroxyethyl amine) 5 parts of nitrate, silane resin acceptor kh-550 be 10 parts, 10 parts of chitosan, 50 parts of the acetic acid aqueous solution of 2wt%,
200 parts of deionized water；
A kind of preparation method of above-mentioned enhancing nylon glass fiber size, comprising the following steps:
S1. chitosan is dissolved in the acetic acid aqueous solution of 2wt%, obtains chitosan acetic acid solution；
S2. in deionized water, ethylene bis stearic acid amide, methyl dioleate, cetyl trimethyl are sequentially added
Ammonium chloride and (stearamidopropyl dimethyl-beta-hydroxyethyl amine) nitrate, after ultrasonic mixing is uniform, are added castor oil modified water
Property polyurethane and acrylate/organosilicon grafted and modified aqueous epoxy resins, continue that ultrasonic mixing is uniform, and ultrasonic power is
2000W, time 40min, adds silane resin acceptor kh-550, stirs evenly, and obtains mixed solution；
S3. finally chitosan acetic acid solution is added dropwise in mixed solution, is added dropwise in 50min, stirred, obtain when being added dropwise
To size.
Polyamide is mixed in parallel dual-screw extruding machine with the processed short glass fiber of size (25%)
It homogenizes, is squeezed out from nozzle, after cooling, cut and be granulated by pelletizer, placed into injection molding machine charging basket, be molded in 255 DEG C of meltings, system
Obtain standard tensile test specimen and impact test piece.
Tensile strength is measured by GB1447-83 Test method for tensile properties of glass fiberreinforced plastics；By GB1451-83 glass
Glass fibre reinforced plastics freely-supported beam type impact ductility test method measures impact strength.
Claims (2)
1. a kind of enhancing nylon glass fiber size, which is characterized in that be made of by weight following component:
Castor oil modified aqueous polyurethane 30-50 parts, acrylate/20-40 parts of organosilicon grafted and modified aqueous epoxy resins, second
Double 4-8 parts of the stearic amides of support, 2-6 parts of methyl dioleate, 3-8 parts of hexadecyltrimethylammonium chloride, (stearmide
Propyl-dimethyl-beta-hydroxyethyl amine) 5-10 parts of nitrate, silane resin acceptor kh-550 is 10-15 parts, and LiCl is 10-18 parts, shell
4-10 parts of glycan, 40-50 parts of the acetic acid aqueous solution of 2wt%, 100-200 parts of deionized water；
Wherein castor oil modified aqueous polyurethane the preparation method comprises the following steps: by polyethylene glycol adipate, castor oil and dihydroxymethyl
Propionic acid is dried in vacuo removing moisture at 100 DEG C, by polyethylene glycol adipate, castor oil and toluene di-isocyanate(TDI), wherein
The molar ratio 1:3 of polyethylene glycol adipate and toluene di-isocyanate(TDI), and two drop dibutyl tin dilaurates are added dropwise, at 50 DEG C
Dihydromethyl propionic acid, the molar ratio l:1 of dihydromethyl propionic acid and polyethylene glycol adipate, at 70 DEG C is added in pre-polymerization 45min
It reacts 4h and forms castor oil aqueous polyurethane emulsion after cooling dilution is neutralized with triethylamine.
2. a kind of preparation method for enhancing nylon glass fiber size as described in claim 1, which is characterized in that including with
Lower step:
S1. chitosan is dissolved in the acetic acid aqueous solution of 2wt%, obtains chitosan acetic acid solution；
S2. LiCl is dissolved in deionized water, then sequentially adds ethylene bis stearic acid amide, methyl dioleate,
Hexadecyltrimethylammonium chloride and (stearamidopropyl dimethyl-beta-hydroxyethyl amine) nitrate, after ultrasonic mixing is uniform, add
Entering castor oil modified aqueous polyurethane and acrylate/organosilicon grafted and modified aqueous epoxy resins, continuation ultrasonic mixing is uniform,
Ultrasonic power is 500-2000W, and time 40-100min adds silane resin acceptor kh-550, stirs evenly, mixed
Solution；
S3. finally chitosan acetic acid solution is added dropwise in mixed solution, is added dropwise in 50min, stirred, obtain when being added dropwise
To size.
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| CN113880459A (en) * | 2021-11-12 | 2022-01-04 | 成都理工大学 | Polyamide acid enhanced basalt fiber impregnating compound and synthetic method thereof |
| CN114717849A (en) * | 2022-05-10 | 2022-07-08 | 五河县维佳复合材料有限公司 | Modified glass fiber winding wire and reinforced composite material prepared from same |
| CN115259694A (en) * | 2022-08-12 | 2022-11-01 | 成都理工大学 | Epoxy resin enhanced basalt fiber impregnating compound and preparation method thereof |
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| CN113880459A (en) * | 2021-11-12 | 2022-01-04 | 成都理工大学 | Polyamide acid enhanced basalt fiber impregnating compound and synthetic method thereof |
| CN114717849A (en) * | 2022-05-10 | 2022-07-08 | 五河县维佳复合材料有限公司 | Modified glass fiber winding wire and reinforced composite material prepared from same |
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| CN115558284B (en) * | 2022-11-09 | 2023-07-04 | 南通北风橡塑制品有限公司 | Glass fiber reinforced polyurethane composite board and preparation method thereof |
| CN116462963A (en) * | 2023-03-31 | 2023-07-21 | 江苏金发科技新材料有限公司 | Halogen-free flame-retardant reinforced nylon composition and preparation method and application thereof |
| CN116462963B (en) * | 2023-03-31 | 2024-05-10 | 江苏金发科技新材料有限公司 | Halogen-free flame-retardant reinforced nylon composition and preparation method and application thereof |
| CN116478612A (en) * | 2023-05-17 | 2023-07-25 | 千浪化研新材料(上海)有限公司 | Nylon glass fiber high-hardness super-weather-resistant environment-friendly paint and preparation method thereof |
| CN116478612B (en) * | 2023-05-17 | 2024-03-08 | 千浪化研新材料(上海)有限公司 | Nylon glass fiber high-hardness super-weather-resistant environment-friendly paint and preparation method thereof |
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Application publication date: 20181225 |