CN109081998A - A kind of co-extrusion material factory formula and technique - Google Patents
A kind of co-extrusion material factory formula and technique Download PDFInfo
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- CN109081998A CN109081998A CN201810747710.9A CN201810747710A CN109081998A CN 109081998 A CN109081998 A CN 109081998A CN 201810747710 A CN201810747710 A CN 201810747710A CN 109081998 A CN109081998 A CN 109081998A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0869—Acids or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of co-extrusion material factory formula and technique, are related to technical field of composite materials, are made of following parts by weight of component, sarin resin 50-65%, polyethylene 25-35%, compatilizer 3-8%, toughener 2-6% and other auxiliary agents 7-12%.Removal of impurities；Formula weighs, and by the volume and batch charging coefficient of kneader and mixer, inventory is estimated, then according to inventory correct amount raw material；It mediates, raw material is successively put into and is told in kneader, kneading time 10-15min, 100-120 DEG C of drop temperature；Mixing puts into mixture in 50L mixer, mixing time 8-10min, and smelting temperature is 80-100 DEG C, and discharging material temperature is 140-145 DEG C；Extruding pelletization puts into mixture in double screw extruder, and the cutter rotating velocity of double screw extruder is adjusted to particulate material length 3-4mm.Finished product impurity content of the present invention is low, at the same production process will not injury device, production technology is stringent, and it is not in discoloration, conglomeration and material decomposing phenomenon that product quality is high.
Description
Technical field
The present invention relates to technical field of composite materials, specially a kind of co-extrusion material factory formula and technique.
Background technique
Composite material is by two or more material of different nature, by method physically or chemically, in macroscopic view
Composition has the material of new capability on (microcosmic), and a variety of materials make up for each other's deficiencies and learn from each other in performance, generates synergistic effect, makes compound
The comprehensive performance of material is better than former composition material and meets a variety of different requirements, the basis material of composite material be divided into metal and
Nonmetallic two major classes, there are commonly aluminium, magnesium, copper, titanium and its alloys for metallic matrix.Nonmetal basal body mainly has synthetic resin, rubber
Glue, ceramics, graphite, carbon etc..Reinforcing material mainly has glass fibre, carbon fiber, boron fibre, aramid fiber, silicon carbide fibre, stone
Cotton fiber, whisker, wire and hard particulates etc..Color coextrusion material be graininess, be widely used in PMMA/PVC, PMMA/PS,
The composite co-extruding of PMMA/ABS, ASA/PVC, ASA/ABS material produces, such as profile, resin tile, plate, household electrical appliances, exterior wall cladding
Field, to improve product weatherability, impact resistance, scratch resistance and incrustation performance.But existing co-extrusion material produces work
Skill preparation is incomplete, is easy to be mixed into impurity effect properties of product, while not being dried before producing, reduces system
Quality does not carry out stringent control in production process, is unable to reach expected product effect.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of co-extrusion material factory formula and technique, existing co-extrusion is solved
Material manufacturing technique preparation is incomplete, is easy to be mixed into impurity effect properties of product, while not being dried before producing,
The problem of reducing quality of item, do not carry out stringent control in production process, being unable to reach expected product effect.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of co-extrusion material factory formula, by following heavy
Amount part component is made, sarin resin 50-65%, polyethylene 25-35%, compatilizer 3-8%, toughener 2-6% and other auxiliary agents 7-
12%。
Preferably, a kind of co-extrusion material factory formula, is made of following parts by weight of component, sarin resin 50-60%, gathers
Ethylene 25-30%, compatilizer 6-8%, toughener 2-6% and other auxiliary agents 10-12%.
Preferably, a kind of co-extrusion material factory formula, is made, sarin resin 55%, polyethylene of following parts by weight of component
26%, compatilizer 6%, toughener 2% and other auxiliary agents 11%.
Preferably, the technique of a kind of co-extrusion material, includes the following steps,
(1) it cleans, using the filamentary webs sieving sarin resin more slightly larger than sarin resin partial size, then uses 60-120 mesh filter screen
Plasticizer is filtered, sarin resin, polyethylene, toughener and other auxiliary agents are successively put into drying equipment, it is dry to containing
Water is less than 0.1%；
(2) formula weighs, and by the volume and batch charging coefficient of kneader and mixer, inventory is estimated, then according to inventory
Correct amount raw material；
(3) it mediates, raw material is successively put into and is told in kneader, kneading time 10-15min, 100-120 DEG C of drop temperature,
Then cooling mixed processing is carried out, cooling incorporation time is 5-10min, and discharging material temperature is 50 DEG C or less；
(4) mixing puts into mixture in 50L mixer, mixing time 8-10min, and smelting temperature is 80-100 DEG C, out
Expect that material temperature is 140-145 DEG C；
(5) extruding pelletization puts into mixture in double screw extruder, and the cutter rotating velocity of double screw extruder is adjusted to particle
Expect length 3-4mm.
Preferably, the drying equipment is one of ebullated dryer, vacuum desiccator or vacuum drying hopper.
Preferably, the formula weighs the weighing weighing apparatus used and self-measuring device and should inspect periodically and correct.
Preferably, the powder not being plasticized and particulate material are removed after the raw material internally mix.
Preferably, the compatilizer, toughener and other auxiliary agents should first heat fusing before putting into kneader.
Preferably, other described auxiliary agents include stearic acid and paraffin.
Preferably, the operating temperature of the double screw extruder is followed successively by 200-220 DEG C, 230-240 DEG C, 240-250 DEG C
With 250-260 DEG C.
(3) beneficial effect
The present invention provides a kind of co-extrusion material factory formula and techniques.Have it is following the utility model has the advantages that
The co-extrusion material factory formula and technique, by using the filamentary webs sieving sarin resin more slightly larger than sarin resin partial size, so
60-120 mesh filter screen filtration plasticizer is used afterwards, can prevent from being mixed into mechanical admixture in raw material or other impurities damage is granulated and sets
Standby and reduction product quality, sarin resin, polyethylene, toughener and other auxiliary agents are successively put into drying equipment, are done
It is dry to water content less than 0.1%, can be avoided influence production or reduce quality of item, block-like stearic acid and paraffin are put into
First heating fusing, can prevent block-like stearic acid and the paraffin high speed rotation in high-speed kneading machine from hitting in baffle plate before kneader
On, damage baffle plate.
The co-extrusion material factory formula and technique should be inspected periodically and be corrected by weighing weighing apparatus and self-measuring device, close
The material refined is bulk material, cannot have the powder not being plasticized or particulate material to release, ensure that the quality of production, improve finished product
Qualification rate.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment one
A kind of co-extrusion material factory formula, is made of following parts by weight of component, and sarin resin 50%, compatilizer 3%, increases polyethylene 35%
Tough dose 2% and other auxiliary agents 10%.
A kind of technique of co-extrusion material, includes the following steps,
(1) it cleans, using the filamentary webs sieving sarin resin more slightly larger than sarin resin partial size, then uses 60-120 mesh filter screen
Plasticizer is filtered, sarin resin, polyethylene, toughener and other auxiliary agents are successively put into drying equipment, it is dry to containing
Water is less than 0.1%；
(2) formula weighs, and by the volume and batch charging coefficient of kneader and mixer, inventory is estimated, then according to inventory
Correct amount raw material；
(3) it mediates, raw material is successively put into and is told in kneader, kneading time 10min, 100-120 DEG C of drop temperature, then
Cooling mixed processing is carried out, cooling incorporation time is 5min, and discharging material temperature is 50 DEG C or less；
(4) mixing puts into mixture in 50L mixer, mixing time 8min, and smelting temperature is 80 DEG C, and discharge material temperature
It is 140-145 DEG C；
(5) extruding pelletization puts into mixture in double screw extruder, and the cutter rotating velocity of double screw extruder is adjusted to particle
Expect length 3mm.
Drying equipment is one of ebullated dryer, vacuum desiccator or vacuum drying hopper.
Formula weighs the weighing weighing apparatus used and self-measuring device and should inspect periodically and correct.
The powder not being plasticized and particulate material are removed after raw material internally mix.
Compatilizer, toughener and other auxiliary agents should first heat fusing before putting into kneader.
Other auxiliary agents include stearic acid and paraffin.
The operating temperature of double screw extruder is followed successively by 200-220 DEG C, 230-240 DEG C, 240-250 DEG C and 250-260 DEG C.
Embodiment two
A kind of co-extrusion material factory formula, is made of following parts by weight of component, and sarin resin 55%, compatilizer 6%, increases polyethylene 26%
Tough dose 2% and other auxiliary agents 11%.
A kind of technique of co-extrusion material, includes the following steps,
(1) it cleans, using the filamentary webs sieving sarin resin more slightly larger than sarin resin partial size, then uses 60-120 mesh filter screen
Plasticizer is filtered, sarin resin, polyethylene, toughener and other auxiliary agents are successively put into drying equipment, it is dry to containing
Water is less than 0.1%；
(2) formula weighs, and by the volume and batch charging coefficient of kneader and mixer, inventory is estimated, then according to inventory
Correct amount raw material；
(3) it mediates, raw material is successively put into and is told in kneader, kneading time 12min, 100-120 DEG C of drop temperature, then
Cooling mixed processing is carried out, cooling incorporation time is 8min, and discharging material temperature is 50 DEG C or less；
(4) mixing puts into mixture in 50L mixer, mixing time 9min, and smelting temperature is 90 DEG C, and discharge material temperature
It is 140-145 DEG C；
(5) extruding pelletization puts into mixture in double screw extruder, and the cutter rotating velocity of double screw extruder is adjusted to particle
Expect length 4mm.
Drying equipment is one of ebullated dryer, vacuum desiccator or vacuum drying hopper.
Formula weighs the weighing weighing apparatus used and self-measuring device and should inspect periodically and correct.
The powder not being plasticized and particulate material are removed after raw material internally mix.
Compatilizer, toughener and other auxiliary agents should first heat fusing before putting into kneader.
Other auxiliary agents include stearic acid and paraffin.
The operating temperature of double screw extruder is followed successively by 200-220 DEG C, 230-240 DEG C, 240-250 DEG C and 250-260 DEG C.
Embodiment three
A kind of co-extrusion material factory formula, is made of following parts by weight of component, and sarin resin 57%, compatilizer 6%, increases polyethylene 25%
Tough dose 2% and other auxiliary agents 10%.
A kind of technique of co-extrusion material, includes the following steps,
(1) it cleans, using the filamentary webs sieving sarin resin more slightly larger than sarin resin partial size, then uses 60-120 mesh filter screen
Plasticizer is filtered, sarin resin, polyethylene, toughener and other auxiliary agents are successively put into drying equipment, it is dry to containing
Water is less than 0.1%；
(2) formula weighs, and by the volume and batch charging coefficient of kneader and mixer, inventory is estimated, then according to inventory
Correct amount raw material；
(3) it mediates, raw material is successively put into and is told in kneader, kneading time 15min, 100-120 DEG C of drop temperature, then
Cooling mixed processing is carried out, cooling incorporation time is 10min, and discharging material temperature is 50 DEG C or less；
(4) mixing puts into mixture in 50L mixer, mixing time 10min, and smelting temperature is 100 DEG C, discharging material
Temperature is 140-145 DEG C；
(5) extruding pelletization puts into mixture in double screw extruder, and the cutter rotating velocity of double screw extruder is adjusted to particle
Expect length 4mm.
Drying equipment is one of ebullated dryer, vacuum desiccator or vacuum drying hopper.
Formula weighs the weighing weighing apparatus used and self-measuring device and should inspect periodically and correct.
The powder not being plasticized and particulate material are removed after raw material internally mix.
Compatilizer, toughener and other auxiliary agents should first heat fusing before putting into kneader.
Other auxiliary agents include stearic acid and paraffin.
The operating temperature of double screw extruder is followed successively by 200-220 DEG C, 230-240 DEG C, 240-250 DEG C and 250-260 DEG C.
The embodiment of the present invention and the common co-extrusion material table of comparisons
| Common co-extrusion material | Embodiment one | Embodiment two | Embodiment three | |
| Impurity content | 0.05-0.1% | 0.01% or less | 0.01% or less | 0.01% or less |
| Damage baffle plate | It is | It is no | It is no | It is no |
| Measurement error | It is higher | It is extremely low | It is extremely low | It is extremely low |
| Finished product ingredient | Contain the powder not being plasticized | Bulk material | Group's charging | Group's charging |
| Discoloration, conglomeration and material decomposing phenomenon | It is less | Nothing | Nothing | Nothing |
From above table as can be seen that compared with co-extrusion material commonly in the market, there is the present invention apparent finished product impurity to contain
Measure low feature, at the same production process will not injury device, production technology is stringent, and it is not in discoloration, conglomeration that product quality is high
And material decomposing phenomenon.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of co-extrusion material factory formula, which is characterized in that be made of following parts by weight of component, sarin resin 50-65%, poly- second
Alkene 25-35%, compatilizer 3-8%, toughener 2-6% and other auxiliary agents 7-12%.
2. a kind of co-extrusion material factory formula according to claim 1, which is characterized in that it is made of following parts by weight of component,
Sarin resin 50-60%, polyethylene 25-30%, compatilizer 6-8%, toughener 2-6% and other auxiliary agents 10-12%.
3. a kind of co-extrusion material factory formula according to claim 1, which is characterized in that it is made of following parts by weight of component,
Sarin resin 55%, polyethylene 26%, compatilizer 6%, toughener 2% and other auxiliary agents 11%.
4. a kind of technique of co-extrusion material according to claim 1, which is characterized in that include the following steps,
(1) it cleans, using the filamentary webs sieving sarin resin more slightly larger than sarin resin partial size, then uses 60-120 mesh filter screen
Plasticizer is filtered, sarin resin, polyethylene, toughener and other auxiliary agents are successively put into drying equipment, it is dry to containing
Water is less than 0.1%；
(2) formula weighs, and by the volume and batch charging coefficient of kneader and mixer, inventory is estimated, then according to inventory
Correct amount raw material；
(3) it mediates, raw material is successively put into and is told in kneader, kneading time 10-15min, 100-120 DEG C of drop temperature,
Then cooling mixed processing is carried out, cooling incorporation time is 5-10min, and discharging material temperature is 50 DEG C or less；
(4) mixing puts into mixture in 50L mixer, mixing time 8-10min, and smelting temperature is 80-100 DEG C, out
Expect that material temperature is 140-145 DEG C；
(5) extruding pelletization puts into mixture in double screw extruder, and the cutter rotating velocity of double screw extruder is adjusted to particle
Expect length 3-4mm.
5. a kind of technique of co-extrusion material according to claim 4, which is characterized in that the drying equipment is fluidized drying
One of device, vacuum desiccator or vacuum drying hopper.
6. a kind of technique of co-extrusion material according to claim 4, which is characterized in that the formula weighs the weighing weighing apparatus used
Device and self-measuring device should be inspected periodically and be corrected.
7. a kind of technique of co-extrusion material according to claim 4, which is characterized in that remove after the raw material internally mix and be not plasticized
Powder and particulate material.
8. a kind of technique of co-extrusion material according to claim 4, which is characterized in that the compatilizer, toughener and other
Auxiliary agent should first heat fusing before putting into kneader.
9. a kind of technique of co-extrusion material according to claim 4, which is characterized in that other described auxiliary agents include stearic acid and
Paraffin.
10. a kind of technique of co-extrusion material according to claim 4, which is characterized in that the work of the double screw extruder
Temperature is followed successively by 200-220 DEG C, 230-240 DEG C, 240-250 DEG C and 250-260 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810747710.9A CN109081998A (en) | 2018-07-10 | 2018-07-10 | A kind of co-extrusion material factory formula and technique |
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| CN201810747710.9A CN109081998A (en) | 2018-07-10 | 2018-07-10 | A kind of co-extrusion material factory formula and technique |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698753A (en) * | 2019-10-28 | 2020-01-17 | 深圳免喷材料科技有限公司 | Spraying-free sarin resin material |
| CN110951094A (en) * | 2019-12-03 | 2020-04-03 | 南京顶顺包装有限公司 | Method for adding organic auxiliary agent into polyethylene particles |
| CN111688058A (en) * | 2020-07-23 | 2020-09-22 | 昆山聚亿源精密模具有限公司 | Plastic raw material preparation processing technology based on medical plastic product |
| CN113291013A (en) * | 2021-04-22 | 2021-08-24 | 无锡同力塑胶贸易有限公司 | Light wear-resistant plastic floor and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622974A (en) * | 2002-01-25 | 2005-06-01 | 纳幕尔杜邦公司 | Ionomer/high density polyethylene blends with improved impact resistance |
| CN103342854A (en) * | 2013-07-03 | 2013-10-09 | 吴江市天源塑胶有限公司 | Surlyn resin-containing flame retardant heat resistant plastic |
| CN104044222A (en) * | 2013-03-11 | 2014-09-17 | 昆山宝腾橡塑胶材料科技有限公司 | Processing technology for plastic granules |
| CN105965846A (en) * | 2016-05-31 | 2016-09-28 | 衢州学院 | Continuous co-extrusion self-reinforcing equipment and continuous co-extrusion self-reinforcing method for biomass wood plastic foaming floor |
| CN106009216A (en) * | 2016-06-25 | 2016-10-12 | 宜兴市华龙塑木新材料有限公司 | Plastic-wood floor board with double faces in different colors and preparation method of plastic-wood floor board |
-
2018
- 2018-07-10 CN CN201810747710.9A patent/CN109081998A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622974A (en) * | 2002-01-25 | 2005-06-01 | 纳幕尔杜邦公司 | Ionomer/high density polyethylene blends with improved impact resistance |
| CN104044222A (en) * | 2013-03-11 | 2014-09-17 | 昆山宝腾橡塑胶材料科技有限公司 | Processing technology for plastic granules |
| CN103342854A (en) * | 2013-07-03 | 2013-10-09 | 吴江市天源塑胶有限公司 | Surlyn resin-containing flame retardant heat resistant plastic |
| CN105965846A (en) * | 2016-05-31 | 2016-09-28 | 衢州学院 | Continuous co-extrusion self-reinforcing equipment and continuous co-extrusion self-reinforcing method for biomass wood plastic foaming floor |
| CN106009216A (en) * | 2016-06-25 | 2016-10-12 | 宜兴市华龙塑木新材料有限公司 | Plastic-wood floor board with double faces in different colors and preparation method of plastic-wood floor board |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110698753A (en) * | 2019-10-28 | 2020-01-17 | 深圳免喷材料科技有限公司 | Spraying-free sarin resin material |
| CN110951094A (en) * | 2019-12-03 | 2020-04-03 | 南京顶顺包装有限公司 | Method for adding organic auxiliary agent into polyethylene particles |
| CN111688058A (en) * | 2020-07-23 | 2020-09-22 | 昆山聚亿源精密模具有限公司 | Plastic raw material preparation processing technology based on medical plastic product |
| CN113291013A (en) * | 2021-04-22 | 2021-08-24 | 无锡同力塑胶贸易有限公司 | Light wear-resistant plastic floor and preparation method thereof |
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