CN104448795A - Glass-fiber-reinforced nylon manufacturing process - Google Patents
Glass-fiber-reinforced nylon manufacturing process Download PDFInfo
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- CN104448795A CN104448795A CN201410700132.5A CN201410700132A CN104448795A CN 104448795 A CN104448795 A CN 104448795A CN 201410700132 A CN201410700132 A CN 201410700132A CN 104448795 A CN104448795 A CN 104448795A
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- glass
- matrix material
- glass fibre
- manufacturing process
- reinforced nylon
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
- C08K5/57—Organo-tin 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
-
- 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
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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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention provides a glass-fiber-reinforced nylon manufacturing process. The glass-fiber-reinforced nylon manufacturing process mainly comprises a surface treatment process of glass fiber and a preparation process of a composite material. Through addition of the glass fiber, the rigidity and the toughness of the composite material are remarkably improved; along with increase in the content of the glass fiber, the elastic modulus, the bending modulus, the tensile strength, the bending strength and the notch impact strength of the composite material are greatly improved; after addition of the glass fiber, the water absorption rate of the composite material is reduced remarkably and meanwhile, the thermal stability of the composite material is remarkably improved.
Description
Technical field
The present invention relates to nylon fabrication technique, is a kind of glass fibre reinforced nylon manufacturing process in particular.
Background technology
Glass fibre is a kind of ceramic of excellent performance, and major ingredient is silicon-dioxide, aluminum oxide, calcium oxide, boron oxide, magnesium oxide, sodium oxide etc.It is formed through wire drawing cooling curing by the glass metal under the condition of high temperature, and every bundle fiber precursor is by hundreds of even thousands of monofilament compositions.Become extraordinary metal substitute material at present.Along with the fast development of market economy, glass fibre becomes conventional industries department and national defence, the requisite starting material of high technology sector such as building, communications and transportation, petrochemical complex, electronic apparatus, machinery, metallurgy, environment protection, aerospace, nuclear energy, weapons.Owing to being used widely in multiple field, glass is subject to people's attention day by day.It is the reinforcement be most widely used in fibre reinforced composites.Have cost low, do not burn, heat-resisting, chemical resistance, tensile strength and shock strength are high, tension set is little, the advantage such as heat insulating ability and good insulating, can be used as the strongthener of organic polymer or inorganic non-metallic and matrix material.
Summary of the invention
The invention provides a kind of glass fibre reinforced nylon manufacturing process, for realizing object of the present invention, technical scheme of the present invention is as follows:
A kind of glass fibre reinforced nylon manufacturing process, its step comprises the process of surface treatment of glass fibre and the preparation technology of matrix material:
The process of surface treatment of glass fibre:
(1) silane coupling agent, dehydrated alcohol and deionized water are configured to fiberglass surface treating agent by 1:0.3:2.7, stand-by;
(2) take a certain amount of roving glass fiber, put into the surface treatment agent of above-mentioned manufacture, make glass fully flood 30-40min;
(3) glass soaked is dried under field conditions (factors), take out after being then placed in the dry 4-5h of baking oven of 80-100 DEG C, put into sealing bag stand-by, be labeled as sample A;
The preparation technology of matrix material:
(1) appropriate nylon, glass Dispersion on surface lubricant, oxidation inhibitor, thermo-stabilizer are mixed in high-speed mixer according to a certain ratio, the dry 24-30h of vacuum drying oven being then placed in 80-100 DEG C, to constant weight, is labeled as sample B;
(2) add in twin screw extruder by glass and nylon according to certain mass percent respectively, add sample A adding in fine mouth, add sample B in major ingredient mouth, right latter two sample is extruding pelletization after melt blending in an extruder;
(3) the composite particles vacuum-drying 24-30h at 80-90 DEG C by extruding, after pelletizing, to constant weight, is then injected into standard examination bar in injection moulding machine.
Preferably, in the process of surface treatment step (1) of glass, the surface treatment agent configured needs to become the solution of 1-1.5% to use by acetone diluted again.
Preferably, in the step of preparation process (1) of matrix material, 0.2-0.4% oxidation inhibitor MB selected by oxidation inhibitor, and methyl tin heat stabilizer selected by thermo-stabilizer.
Preferably, in the step of preparation process (2) of matrix material, the mass percentage content of glass is 20%-40%, and the mass percent of nylon is 60-80%.
Preferably, in the step of preparation process (2) of matrix material, forcing machine each section of temperature is respectively 255 DEG C, 270 DEG C, 275 DEG C, 275 DEG C, 265 DEG C, the rotating speed of barrel is fixed as 15r/min.
Preferably, in the step of preparation process (3) of matrix material, injector each section of temperature is respectively 275 DEG C, 280 DEG C, 275 DEG C, 265 DEG C, and mould temperature is 70-80 DEG C.
Beneficial effect: the invention provides a kind of glass fibre reinforced nylon manufacturing process, its step mainly comprises the process of surface treatment of glass fibre and the preparation technology of matrix material, adding of glass, improve rigidity and the toughness of matrix material significantly, and along with the increase of glass fiber content, the Young's modulus of matrix material, modulus in flexure, tensile strength, flexural strength, notched Izod impact strength all have raising by a relatively large margin.After adding glass, the water-intake rate of matrix material significantly declines, and improves the thermostability of matrix material significantly simultaneously.
Embodiment
The technique means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
embodiment 1:
A kind of glass fibre reinforced nylon manufacturing process, its step comprises the process of surface treatment of glass fibre and the preparation technology of matrix material:
The process of surface treatment of glass fibre:
(1) silane coupling agent, dehydrated alcohol and deionized water are configured to fiberglass surface treating agent by 1:0.3:2.7, become the solution of 1% by acetone diluted, stand-by;
(2) take a certain amount of roving glass fiber, put into the surface treatment agent of above-mentioned manufacture, make glass fully flood 30min;
(3) glass soaked is dried under field conditions (factors), take out after being then placed in the dry 4h of baking oven of 80 DEG C, put into sealing bag stand-by, be labeled as sample A;
The preparation technology of matrix material:
(1) appropriate nylon, glass Dispersion on surface lubricant, oxidation inhibitor, thermo-stabilizer are mixed according to a certain ratio in high-speed mixer, then the dry 24h of vacuum drying oven of 80 DEG C is placed in constant weight, be labeled as sample B, wherein 0.2% oxidation inhibitor MB selected by oxidation inhibitor, and methyl tin heat stabilizer selected by thermo-stabilizer;
(2) respectively glass and nylon are added in twin screw extruder according to certain mass percent, the mass percentage content of glass is 20%%, the mass percent of nylon is 80%, add sample A adding in fine mouth, in major ingredient mouth, add sample B, right latter two sample is extruding pelletization after melt blending in an extruder;
(3) the composite particles vacuum-drying 24h at 80 DEG C by extruding, after pelletizing, to constant weight, is then injected into standard examination bar in injection moulding machine.
Wherein, in the step of preparation process (2) of matrix material, forcing machine each section of temperature is respectively 255 DEG C, 270 DEG C, 275 DEG C, 275 DEG C, 265 DEG C, the rotating speed of barrel is fixed as 15r/min, in the step of preparation process (3) of matrix material, injector each section of temperature is respectively 275 DEG C, 280 DEG C, 275 DEG C, 265 DEG C, and mould temperature is 70 DEG C.
embodiment 2:
A kind of glass fibre reinforced nylon manufacturing process, its step comprises the process of surface treatment of glass fibre and the preparation technology of matrix material:
The process of surface treatment of glass fibre:
(1) silane coupling agent, dehydrated alcohol and deionized water are configured to fiberglass surface treating agent by 1:0.3:2.7, become the solution of 1.2% by acetone diluted, stand-by;
(2) take a certain amount of roving glass fiber, put into the surface treatment agent of above-mentioned manufacture, make glass fully flood 35min;
(3) glass soaked is dried under field conditions (factors), take out after being then placed in the dry 4.5h of baking oven of 90 DEG C, put into sealing bag stand-by, be labeled as sample A;
The preparation technology of matrix material:
(1) appropriate nylon, glass Dispersion on surface lubricant, oxidation inhibitor, thermo-stabilizer are mixed according to a certain ratio in high-speed mixer, then the dry 26h of vacuum drying oven of 90 DEG C is placed in constant weight, be labeled as sample B, wherein 0.3% oxidation inhibitor MB selected by oxidation inhibitor, and methyl tin heat stabilizer selected by thermo-stabilizer;
(2) respectively glass and nylon are added in twin screw extruder according to certain mass percent, the mass percentage content of glass is 30%, the mass percent of nylon is 70%, add sample A adding in fine mouth, in major ingredient mouth, add sample B, right latter two sample is extruding pelletization after melt blending in an extruder;
(3) the composite particles vacuum-drying 26h at 85 DEG C by extruding, after pelletizing, to constant weight, is then injected into standard examination bar in injection moulding machine.
Wherein, in the step of preparation process (2) of matrix material, forcing machine each section of temperature is respectively 255 DEG C, 270 DEG C, 275 DEG C, 275 DEG C, 265 DEG C, the rotating speed of barrel is fixed as 15r/min, in the step of preparation process (3) of matrix material, injector each section of temperature is respectively 275 DEG C, 280 DEG C, 275 DEG C, 265 DEG C, and mould temperature is 75 DEG C.
embodiment 3:
A kind of glass fibre reinforced nylon manufacturing process, its step comprises the process of surface treatment of glass fibre and the preparation technology of matrix material:
The process of surface treatment of glass fibre:
(1) silane coupling agent, dehydrated alcohol and deionized water are configured to fiberglass surface treating agent by 1:0.3:2.7, become the solution of 1.5% by acetone diluted, stand-by;
(2) take a certain amount of roving glass fiber, put into the surface treatment agent of above-mentioned manufacture, make glass fully flood 40min;
(3) glass soaked is dried under field conditions (factors), take out after being then placed in the dry 5h of baking oven of 100 DEG C, put into sealing bag stand-by, be labeled as sample A;
The preparation technology of matrix material:
(1) appropriate nylon, glass Dispersion on surface lubricant, oxidation inhibitor, thermo-stabilizer are mixed according to a certain ratio in high-speed mixer, then the dry 30h of vacuum drying oven of 100 DEG C is placed in constant weight, be labeled as sample B, wherein 0.4% oxidation inhibitor MB selected by oxidation inhibitor, and methyl tin heat stabilizer selected by thermo-stabilizer;
(2) respectively glass and nylon are added in twin screw extruder according to certain mass percent, the mass percentage content of glass is 40%, the mass percent of nylon is 60%, add sample A adding in fine mouth, in major ingredient mouth, add sample B, right latter two sample is extruding pelletization after melt blending in an extruder;
(3) the composite particles vacuum-drying 30h at 90 DEG C by extruding, after pelletizing, to constant weight, is then injected into standard examination bar in injection moulding machine.
Wherein, in the step of preparation process (2) of matrix material, forcing machine each section of temperature is respectively 255 DEG C, 270 DEG C, 275 DEG C, 275 DEG C, 265 DEG C, the rotating speed of barrel is fixed as 15r/min, in the step of preparation process (3) of matrix material, injector each section of temperature is respectively 275 DEG C, 280 DEG C, 275 DEG C, 265 DEG C, and mould temperature is 80 DEG C.
| Thermal expansivity | Tensile strength | Flexural strength | |
| Embodiment 1 | 19.4 | 135MPa | 201MPa |
| Embodiment 2 | 18.5 | 146MPa | 213MPa |
| Embodiment 3 | 20.6 | 134MPa | 198MPa |
Can be drawn by above table data, when use embodiment 2 parameter time, the glass fibre reinforced nylon thermal expansivity produced is low, tensile strength and flexural strength high, be now more conducive to the manufacture of nylon.
The invention provides a kind of glass fibre reinforced nylon manufacturing process, its step mainly comprises the process of surface treatment of glass fibre and the preparation technology of matrix material, adding of glass, improve rigidity and the toughness of matrix material significantly, and along with the increase of glass fiber content, the Young's modulus of matrix material, modulus in flexure, tensile strength, flexural strength, notched Izod impact strength all have raising by a relatively large margin.After adding glass, the water-intake rate of matrix material significantly declines, and improves the thermostability of matrix material significantly simultaneously.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1.
a kind of glass fibre reinforced nylon manufacturing process, it is characterized in that, its step comprises the process of surface treatment of glass fibre and the preparation technology of matrix material:
The process of surface treatment of glass fibre:
(1) silane coupling agent, dehydrated alcohol and deionized water are configured to fiberglass surface treating agent by 1:0.3:2.7, stand-by;
(2) take a certain amount of roving glass fiber, put into the surface treatment agent of above-mentioned manufacture, make glass fully flood 30-40min;
(3) glass soaked is dried under field conditions (factors), take out after being then placed in the dry 4-5h of baking oven of 80-100 DEG C, put into sealing bag stand-by, be labeled as sample A;
The preparation technology of matrix material:
(1) appropriate nylon, glass Dispersion on surface lubricant, oxidation inhibitor, thermo-stabilizer are mixed in high-speed mixer according to a certain ratio, the dry 24-30h of vacuum drying oven being then placed in 80-100 DEG C, to constant weight, is labeled as sample B;
(2) add in twin screw extruder by glass and nylon according to certain mass percent respectively, add sample A adding in fine mouth, add sample B in major ingredient mouth, right latter two sample is extruding pelletization after melt blending in an extruder;
(3) the composite particles vacuum-drying 24-30h at 80-90 DEG C by extruding, after pelletizing, to constant weight, is then injected into standard examination bar in injection moulding machine.
2. basis
rightrequire described in 1
a kind of glass fibre reinforced nylon manufacturing process, it is characterized in that, in the process of surface treatment step (1) of glass, the surface treatment agent configured needs to become the solution of 1-1.5% to use by acetone diluted again.
3. basis
rightrequire described in 1
a kind of glass fibre reinforced nylon manufacturing process, it is characterized in that,
In the step of preparation process (1) of matrix material, 0.2-0.4% oxidation inhibitor MB selected by oxidation inhibitor, and methyl tin heat stabilizer selected by thermo-stabilizer.
4. basis
rightrequire described in 1
a kind of glass fibre reinforced nylon manufacturing process, it is characterized in that, in the step of preparation process (2) of matrix material, the mass percentage content of glass is 20%-40%, and the mass percent of nylon is 60-80%.
5. basis
rightrequire described in 1
a kind of glass fibre reinforced nylon manufacturing process, it is characterized in that, in the step of preparation process (2) of matrix material, forcing machine each section of temperature is respectively 255 DEG C, 270 DEG C, 275 DEG C, 275 DEG C, 265 DEG C, the rotating speed of barrel is fixed as 15r/min.
6. basis
rightrequire described in 1
a kind of glass fibre reinforced nylon manufacturing process, it is characterized in that, in the step of preparation process (3) of matrix material, injector each section of temperature is respectively 275 DEG C, 280 DEG C, 275 DEG C, 265 DEG C, and mould temperature is 70-80 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410700132.5A CN104448795A (en) | 2014-11-28 | 2014-11-28 | Glass-fiber-reinforced nylon manufacturing process |
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| CN201410700132.5A CN104448795A (en) | 2014-11-28 | 2014-11-28 | Glass-fiber-reinforced nylon manufacturing process |
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| CN104448795A true CN104448795A (en) | 2015-03-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963064A (en) * | 2015-07-01 | 2015-10-07 | 安徽丹凤电子材料股份有限公司 | Production process of glass fiber anti-static cloth |
| CN107603212A (en) * | 2017-05-03 | 2018-01-19 | 安徽科高新材料有限公司 | A kind of low material of VOC high transparencies fiberglass reinforced PA 6 and preparation method thereof |
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| CN104046000A (en) * | 2013-03-15 | 2014-09-17 | 上海杰事杰新材料(集团)股份有限公司 | Alkali-free short glass fiber reinforced nylon material and preparation method |
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2014
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963064A (en) * | 2015-07-01 | 2015-10-07 | 安徽丹凤电子材料股份有限公司 | Production process of glass fiber anti-static cloth |
| CN107603212A (en) * | 2017-05-03 | 2018-01-19 | 安徽科高新材料有限公司 | A kind of low material of VOC high transparencies fiberglass reinforced PA 6 and preparation method thereof |
| CN107603212B (en) * | 2017-05-03 | 2024-07-02 | 安徽科高新材料有限公司 | Low-VOC high-transparency glass fiber reinforced PA6 material and preparation method thereof |
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