CN102993693A - Manufacturing process of instrument sheath with raw materials containing modified montmorillonite powder - Google Patents
Manufacturing process of instrument sheath with raw materials containing modified montmorillonite powder Download PDFInfo
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- CN102993693A CN102993693A CN2012102961979A CN201210296197A CN102993693A CN 102993693 A CN102993693 A CN 102993693A CN 2012102961979 A CN2012102961979 A CN 2012102961979A CN 201210296197 A CN201210296197 A CN 201210296197A CN 102993693 A CN102993693 A CN 102993693A
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Abstract
The invention discloses a manufacturing process of an instrument sheath with raw materials containing modified montmorillonite powder. The manufacturing process is characterized by respectively drying a material A and a material B at 100-120 DEG C for 3-5 hours, then uniformly mixing the material A and the material B according to parts by weight and then granulating the material A and the material B and remixing and then granulating the granulated material A and material B; and adding the obtained granulated materials to an injection molding machine to be molded and demolding the materials, thus obtaining the instrument sheath, wherein the material B contains modified montmorillonite powder. The manufacturing process has the beneficial effects that the injection-molded instrument sheath for a car easily suffer from such physical property defects as drag marks, breakage, poor toughness and low strength during molding; and meanwhile, the injection molding process is good in stability, the obtained product has stable quality and high surface gloss, the production efficiency is improved and the production cost is reduced.
Description
Technical field
The present invention relates to automobile manufacturing field, exactly is the manufacturing process that a kind of raw material contains the sheath instrument of modified montmorillonite used powder.
Background technology
Along with the progress of society, the usage quantity of automobile is in continuous increase.
The sheath instrument that uses in the automobile making in the prior art mainly adopts the nylon material preparation, composite by adding toughner, after the various material mixing, it is not good that each component is melted in the process dispersiveness altogether, and each group partition inter-capacitive is poor, intensity, toughness, erosion resistance deficiency, material cost is higher, demoulding difficulty, and surface gloss is poor, processing characteristics is bad, unstable product quality.
Summary of the invention
In order to alleviate shortcomings and deficiencies of the prior art, the object of the present invention is to provide a kind of raw material to contain the manufacturing process of the sheath instrument of modified montmorillonite used powder, the sheath instrument product when moulding that is used for automobile that has solved injection moulding is prone to and draws the physicals defectives such as white, fracture, poor toughness, intensity be low, this Shooting Technique is stable simultaneously, the products obtained therefrom steady quality, surface gloss is high, has improved production efficiency, has reduced production cost.
Above-mentioned purpose realizes by following scheme:
A kind of raw material contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that:
(1) carry out drying treatment after each raw material of A material, B material is mixed respectively, drying temperature is 100-120 ℃, and be 3-5 hour time of drying, A material, B expect respectively according to granulation behind the weight part mixing again, and the A material, the B that get after the granulation expect;
Described A material is made by the raw material of following weight parts: nylon PA6 60-65, PBT 10-15, ABS high glue powder 5-10, polycaprolactone 1-2, methyltrimethoxy silane 0.5-1, vinyltriethoxysilane 0.5-1, oxidation inhibitor 1035 0.3-0.5, two ten four carbon alcohols ester 0.1-0.2, polyethylene wax 0.7-0.9, Imarcaptoacetate dioctyltin 0.5-1.2, modified meerschaum powder 5-10;
Described B material is made by the raw material of following weight parts: nylon PA66 60-65, alkali free glass fibre 6-10, modified montmorillonite used powder 5-10, PBT10-15, bisphenol A polycarbonate 10-15, polycaprolactone 3-5, N-(β one aminoethyl)-γ-aminopropyl front three (second) TMOS 1-2, irgasfos 168 0.5-0.8, antioxidant 1010 0.1-0.3, two Lauryl Alcohol ester 0.1-0.2, oxidized polyethlene wax 0.5-0.8, Imarcaptoacetate dioctyltin 0.1-0.2;
The preparation technology of described modified meerschaum powder is: use first 15-20% salt acid soak sepiolite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after the oven dry, it is even to add the vinyltriethoxysilane agitating that is equivalent to solid weight 3-5%, and oven dry is ground into powder;
The preparation technology of described modified montmorillonite used powder is: use first 10-20% salt acid soak montmorillonite 2-3 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after the oven dry, it is even to add the vinyltriethoxysilane agitating that is equivalent to solid weight 3-5%, and oven dry is ground into powder;
(2) material of the 45-55 weight part A after the granulation, 45-55 weight part B material are mixed rear granulation;
(3) material after step (2) the gained granulation is joined in the injection moulding machine, moulding, the demoulding, and get final product.
Described a kind of raw material contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that: the granulation process of A material is: get A and expect each raw material, place high-speed mixer and mixing 2-5min according to weight part, the mixture that obtains adds in the twin screw extruder through main spout, the controlled working temperature is at 245-270 ℃, the screw rod revolution is at 380-600rpm, and extruding pelletization namely obtains product after the melting.
Described a kind of raw material contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that: the granulation process of B material is: each raw material except alkali free glass fibre of getting the B material, place high-speed mixer and mixing 2-5min according to weight part, the mixture that obtains adds in the twin screw extruder through main spout, alkali free glass fibre adds twin screw extruder by weight from the side spout, the controlled working temperature is at 245-270 ℃, the screw rod revolution is at 300-600rpm, and extruding pelletization namely obtains product after the melting.
Described a kind of raw material contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that:
After joining material in the injection moulding machine, the temperature of injection moulding machine heating zone is set: 285 ± 5 ℃ of first paragraphs, 280 ± 5 ℃ of second segments, the 3rd section 270 ± 5 ℃, the 4th section 265 ± 5 ℃, the 5th section 260 ± 5 ℃;
Described a kind of raw material contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that:
The molding technique parameter of injection moulding section is:
A, first paragraph adopt the middle pressure of 55-65 Mpa, the medium velocity injection of 55-65m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 55-65 Mpa, the medium velocity injection of 55-65m/s, and be 0.5-1.0 second inject time, and injection glue amount is to about 100% of water port of product.
Described automobile instrument sheath refers to sheath instrument DJY7101A-1.6-21 etc.
A kind of raw material contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that: process through silane coupling agent on described alkali free glass fibre surface, described PBT refers to polybutylene terephthalate, described ABS high glue powder refer to vinylbenzene, third rare fine-divinyl rubber, hud typed polymkeric substance.
Beneficial effect of the present invention is:
The sheath instrument product when moulding that is used for automobile that the invention solves injection moulding is prone to and draws the physicals defectives such as white, fracture, poor toughness, intensity be low, this Shooting Technique is stable simultaneously, the products obtained therefrom steady quality, surface gloss is high, improve production efficiency, reduced production cost.
Embodiment
A kind of raw material contains the manufacturing process of the sheath instrument of modified montmorillonite used powder,
(1) carry out drying treatment after each raw material of A material, B material is mixed respectively, drying temperature is 120 ℃, and be 4 hours time of drying, A material, B expect respectively according to granulation behind the weight part mixing again, and the A material, the B that get after the granulation expect;
The A material is made by the raw material of following weight (kg): nylon PA6 65, PBT 15, ABS high glue powder 10, polycaprolactone 2, methyltrimethoxy silane 1, vinyltriethoxysilane 0.5, oxidation inhibitor 1,035 0.5, two ten four carbon alcohols esters 0.1, polyethylene wax 0.9, Imarcaptoacetate dioctyltin 0.5, modified meerschaum powder 10;
The B material is made by the raw material of following weight (kg): nylon PA66 65, alkali free glass fibre 10, modified montmorillonite used powder 10, PBT10, bisphenol A polycarbonate 15, polycaprolactone 3, N-(β one aminoethyl)-γ-aminopropyl front three (second) TMOS 1, irgasfos 168 0.5, antioxidant 1010 0.3, two Lauryl Alcohol esters 0.1, oxidized polyethlene wax 0.5, Imarcaptoacetate dioctyltin 0.1;
The preparation technology of described modified meerschaum powder is: use first 15% salt acid soak sepiolite 2 hours, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after the oven dry, it is even to add the vinyltriethoxysilane agitating that is equivalent to solid weight 3%, and oven dry is ground into powder;
The preparation technology of described modified montmorillonite used powder is: use first 13% salt acid soak montmorillonite 2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after the oven dry, it is even to add the vinyltriethoxysilane agitating that is equivalent to solid weight 3%, and oven dry is ground into powder;
The granulation process of A material is: get A and expect each raw material, place high-speed mixer and mixing 5min according to weight part, the mixture that obtains adds in the twin screw extruder through main spout, and the controlled working temperature is at 270 ℃, the screw rod revolution is at 500rpm, and extruding pelletization namely obtains product after the melting.
The granulation process of B material is: each raw material except alkali free glass fibre of getting the B material, place high-speed mixer and mixing 5min according to weight part, the mixture that obtains adds in the twin screw extruder through main spout, alkali free glass fibre adds twin screw extruder by weight from the side spout, the controlled working temperature is at 270 ℃, the screw rod revolution is at 600rpm, and extruding pelletization namely obtains product after the melting.
(2) material of the 45kgA after the granulation, 55kgB material are mixed rear granulation;
(3) material after step (2) the gained granulation is joined in the injection moulding machine, the temperature of injection moulding machine heating zone is set: 285 ℃ of first paragraphs, 280 ℃ of second segments, the 3rd section 270 ℃, the 4th section 265 ℃, the 5th section 260 ℃;
The molding technique parameter of injection moulding section is:
A, first paragraph adopt the middle pressure of 60 Mpa, the medium velocity injection of 60m/s, and be 1.0 seconds inject time, and injection glue amount is to 78% of product;
B, second segment adopt the middle pressure of 60 Mpa, the medium velocity injection of 60m/s, and be 1.0 seconds inject time, and injection glue amount is to about 100% of water port of product;
Prepare moulding, the demoulding according to the sheath instrument common process, and get final product.
The present invention makes is used for the Performance Detection of manufacturing process that raw material contains the sheath instrument of modified montmorillonite used powder:
Claims (6)
1. a raw material contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that:
(1) carry out drying treatment after each raw material of A material, B material is mixed respectively, drying temperature is 100-120 ℃, and be 3-5 hour time of drying, A material, B expect respectively according to granulation behind the weight part mixing again, and the A material, the B that get after the granulation expect;
Described A material is made by the raw material of following weight parts: nylon PA6 60-65, PBT 10-15, ABS high glue powder 5-10, polycaprolactone 1-2, methyltrimethoxy silane 0.5-1, vinyltriethoxysilane 0.5-1, oxidation inhibitor 1035 0.3-0.5, two ten four carbon alcohols ester 0.1-0.2, polyethylene wax 0.7-0.9, Imarcaptoacetate dioctyltin 0.5-1.2, modified meerschaum powder 5-10;
Described B material is made by the raw material of following weight parts: nylon PA66 60-65, alkali free glass fibre 6-10, modified montmorillonite used powder 5-10, PBT 10-15, bisphenol A polycarbonate 10-15, polycaprolactone 3-5, N-(β one aminoethyl)-γ-aminopropyl front three (second) TMOS 1-2, irgasfos 168 0.5-0.8, antioxidant 1010 0.1-0.3, two Lauryl Alcohol ester 0.1-0.2, oxidized polyethlene wax 0.5-0.8, Imarcaptoacetate dioctyltin 0.1-0.2;
The preparation technology of described modified meerschaum powder is: use first 15-20% salt acid soak sepiolite 1-2 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after the oven dry, it is even to add the vinyltriethoxysilane agitating that is equivalent to solid weight 3-5%, and oven dry is ground into powder;
The preparation technology of described modified montmorillonite used powder is: use first 10-20% salt acid soak montmorillonite 2-3 hour, leave standstill, clarification, centrifugal, solid washes with water to neutrality, after the oven dry, it is even to add the vinyltriethoxysilane agitating that is equivalent to solid weight 3-5%, and oven dry is ground into powder;
(2) material of the 45-55 weight part A after the granulation, 45-55 weight part B material are mixed rear granulation;
(3) material after step (2) the gained granulation is joined in the injection moulding machine, moulding, the demoulding, and get final product.
2. a kind of raw material according to claim 1 contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that: the granulation process of A material is: get A and expect each raw material, place high-speed mixer and mixing 2-5min according to weight part, the mixture that obtains adds in the twin screw extruder through main spout, the controlled working temperature is at 245-270 ℃, the screw rod revolution is at 380-600rpm, and extruding pelletization namely obtains product after the melting.
3. a kind of raw material according to claim 1 contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that: the granulation process of B material is: each raw material except alkali free glass fibre of getting the B material, place high-speed mixer and mixing 2-5min according to weight part, the mixture that obtains adds in the twin screw extruder through main spout, alkali free glass fibre adds twin screw extruder by weight from the side spout, the controlled working temperature is at 245-270 ℃, the screw rod revolution is at 300-600rpm, and extruding pelletization namely obtains product after the melting.
4. a kind of raw material according to claim 1 contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that:
After joining material in the injection moulding machine, the temperature of injection moulding machine heating zone is set: 285 ± 5 ℃ of first paragraphs, 280 ± 5 ℃ of second segments, the 3rd section 270 ± 5 ℃, the 4th section 265 ± 5 ℃, the 5th section 260 ± 5 ℃.
5. a kind of raw material according to claim 1 contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that:
The molding technique parameter of injection moulding section is:
A, first paragraph adopt the middle pressure of 55-65 Mpa, the medium velocity injection of 55-65m/s, and be 1.0-1.5 second inject time, and injection glue amount is to the 78-80% of product;
B, second segment adopt the middle pressure of 55-65 Mpa, the medium velocity injection of 55-65m/s, and be 0.5-1.0 second inject time, and injection glue amount is to about 100% of water port of product.
6. a kind of raw material according to claim 1 contains the manufacturing process of the sheath instrument of modified montmorillonite used powder, it is characterized in that: process through silane coupling agent on described alkali free glass fibre surface, described PBT refers to polybutylene terephthalate, described ABS high glue powder refer to vinylbenzene, third rare fine-divinyl rubber, hud typed polymkeric substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210296197.9A CN102993693B (en) | 2012-08-20 | 2012-08-20 | A kind of raw material contains the manufacturing process of the sheath instrument of smectite powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210296197.9A CN102993693B (en) | 2012-08-20 | 2012-08-20 | A kind of raw material contains the manufacturing process of the sheath instrument of smectite powder |
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| CN102993693A true CN102993693A (en) | 2013-03-27 |
| CN102993693B CN102993693B (en) | 2016-01-20 |
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Cited By (3)
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| CN103525060A (en) * | 2013-10-25 | 2014-01-22 | 安徽省富光实业股份有限公司 | ABS (acrylonitrile-butadiene-styrene)-modified polycarbonate material for water cup shell and preparation method of ABS modified composite polycarbonate material |
| CN103642217A (en) * | 2013-11-18 | 2014-03-19 | 安徽宜万丰电器有限公司 | Flame-retardant modified nylon 6 material for automobile plastic members |
| CN103881376A (en) * | 2014-03-27 | 2014-06-25 | 苏州益群模具有限公司 | High-intensity injection moulded plastic part material |
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| JP2003340890A (en) * | 2002-05-29 | 2003-12-02 | Sumitomo Heavy Ind Ltd | Method for molding foamed molding and injection molding machine |
| CN1980988A (en) * | 2004-05-04 | 2007-06-13 | 通用电气公司 | Halogen-free flame retardant polyamide composition with improved electrical and flammability properties |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103525060A (en) * | 2013-10-25 | 2014-01-22 | 安徽省富光实业股份有限公司 | ABS (acrylonitrile-butadiene-styrene)-modified polycarbonate material for water cup shell and preparation method of ABS modified composite polycarbonate material |
| CN103642217A (en) * | 2013-11-18 | 2014-03-19 | 安徽宜万丰电器有限公司 | Flame-retardant modified nylon 6 material for automobile plastic members |
| CN103881376A (en) * | 2014-03-27 | 2014-06-25 | 苏州益群模具有限公司 | High-intensity injection moulded plastic part material |
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| CN102993693B (en) | 2016-01-20 |
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