CN107151385A - A kind of method of modifying for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve - Google Patents
A kind of method of modifying for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve Download PDFInfo
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- CN107151385A CN107151385A CN201710442406.9A CN201710442406A CN107151385A CN 107151385 A CN107151385 A CN 107151385A CN 201710442406 A CN201710442406 A CN 201710442406A CN 107151385 A CN107151385 A CN 107151385A
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- polypropylene
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- reinforcing sleeve
- magnetic pump
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
Abstract
The invention discloses a kind of method of modifying for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve, it is characterised in that comprises the following steps：（1）Matrix material preparation,（2）Matrix material pretreatment,（3）Mixture C preparation,（4）Material is extruded.The present invention is on the basis of many experiments, arranged in pairs or groups by the reasonable selection to a variety of raw material, coordinate special processing technology, effectively realize the modification to polypropylene material, the impact strength of the polypropylene material finished product finally given improves more than 15 times, and tensile strength fall is stable within 5%, and overall physicochemical characteristic is good, by the use better function of its obtained reinforcing sleeve, and then effectively improve the service life of pump.
Description
Technical field
The invention belongs to material pump processing technique field, and in particular to a kind of to be used to manufacture fluoroplastic magnetic pump reinforcing sleeve
The method of modifying of polypropylene material.
Background technology
Pump is one of plant equipment essential during present people live, and is that daily production is provided convenience.Pump
Species is more, can targetedly be selected according to specific service condition, and wherein fluoroplastic magnetic pump is former using modern magnetomechanics
Reason, a kind of new pump of the non contact transmission of moment of torsion is realized using the magnetic drives of permanent magnet, its flow passage components all uses fluorine
Plastic manufacturing, can be conveyed any dense（By force）The Korrosionsmediums such as acid, alkali, the oxidant of degree, are that modern chemical industry process equipment factory is normal
One of plant equipment seen.Reinforcing sleeve is important parts in fluoroplastic magnetic pump, now uses polypropylene manufacture, but using
Often easy to crack, the problem of compressive strength is not high is there is, and then have impact on the overall service life of pump.
The content of the invention
The purpose of the present invention is for manufacturing the poly- of fluoroplastic magnetic pump reinforcing sleeve the problem of being directed to existing there is provided a kind of
The method of modifying of propylene material, modified polypropylene material mechanical property is improved very well, so improve reinforcing sleeve with
And the service life of pump.
The present invention is achieved by the following technical solutions：
A kind of method of modifying for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve, comprises the following steps：
（1）It is prepared by matrix material：
Polypropylene, elastomer, ultra-high molecular weight polyethylene and low density linear polyethylene resin are put in 65 ~ 75 DEG C of bar respectively
It is standby after being dried under part, choose nanometer silicon dioxide particle material and carry out gradation, it is ensured that nanometer silicon dioxide material is average
Granular size is 15 ~ 30nm, then by polypropylene, elastomer, ultra-high molecular weight polyethylene, low density linear polyethylene, nanometer
Silica is according to mass ratio 120 ~ 140：8~13：6~10：14~21：4 ~ 9 mixing, finally put it into homogenizer again
Mixture A is made after stirring standby；
（2）Matrix material is pre-processed：
By step（1）The mixture A of gained is put into vapor tight tank, and heating keeps the temperature in vapor tight tank to be 50 ~ 65 DEG C, then will
Boost in pressure in vapor tight tank to 2.3 ~ 2.7MPa, heat-insulation pressure keeping is handled after 50 ~ 55min, then to be cooled to normal pressure normal for fast pressure relief
Temperature, is made mixture B standby after processing；
（3）It is prepared by mixture C：
By step（2）The mixture B of gained takes out after processing, then adds its gross mass 0.3 ~ 0.5% into mixture B again
Stabilizer, 1.2 ~ 1.6% lubricant, 0.1 ~ 0.3% antioxidant, 0.4 ~ 0.8% silane coupler, finally put it into again
Mixture C is made after being stirred in homogenizer standby；
（4）Material is extruded：
By step（3）The mixture C of gained, which is put into double screw extruder, carries out extrusion process, during which controls the temperature of processing sections
For 170 ~ 200 DEG C, the rotating speed for controlling extrusion screw rod is 200 ~ 220 revs/min, and pressure when extruding is increased into 7.5 ~ 9.0MPa,
Polypropylene chip finished product is finally made.
Further, step（1）Described in elastomer be POE elastomers.
Further, step（1）Described in polypropylene, elastomer, ultra-high molecular weight polyethylene, the linear poly- second of low-density
Alkene, the mass ratio of nano silicon are：130：11：8：18：7.
Further, step（1）, step（3）Described in homogenizer mixing speed be 2000 ~ 2500 revs/min
Clock.
Further, step（2）Described in the used total duration of release cooling be no more than 15min.
Further, step（3）Described in stabilizer be magnesium stearate, it is stearic acid file, any one in potassium stearate
Kind.
Further, step（3）Described in lubricant be atoleine, vaseline in any one.
Further, step（3）Described in antioxidant be antioxidant 1010, antioxidant 1076 in any one.
Further, step（3）Described in silane coupler be silane coupler kh550, silane coupler kh560 in
Any one.
Relevant, technique also with processing and manufacturing that the final performance of polypropylene material not only prepares raw material used with it
It is relevant, current people for polypropylene material improvement energy more be put in how to improve allotment raw material component on, and to processing
Technique focus on less, gradually formed technical bottleneck, present invention component of polypropylene material by rational allocation, while again
Processing technology is improved, the modified effect to polypropylene material is effectively improved.Wherein present invention selection is in polypropylene material
Elastomer, ultra-high molecular weight polyethylene, low density linear polyethylene and nano silicon are added, shock resistance is lifted with elastomer
Characteristic, ultra-high molecular weight polyethylene lifting impact strength and tensile strength, low density linear polyethylene lifting tensile strength and
Processing characteristics, nano silicon enhancing rigidity, the addition of above-mentioned several compositions is that polypropylene material has established good jointly
Raw material basis, is pre-processed, pretreatment is first to carry out high temperature to it to the mixture A that above-mentioned different materials are constituted again afterwards
HIGH PRESSURE TREATMENT, then carries out unloading warm release processing, this processing operation can effectively reduce raw material strand in a short time
The degree of polymerization, and its branched structure is destroyed, be conducive to the intermolecular mutual fusion of subsequent material, the physicochemical characteristic of finished product can be strengthened,
Finally in material extrusion step, the pressure of extrusion has been obviously improved, it is mutual between this further improving material composition of operation energy
Fusion, improves overall crystallinity, while enhancing nano silicon again with being formed on surrounding material component activated interface
Metastable structure intensity, that is, enhance the binding strength between nano silicon rigid particles and polypropylene matrix composition, walk
Suddenly（2）Pretreatment operation to raw material is more conducive to lifting step（4）The supercharging extrusion effect of material extrusion, is finally effectively realized
Modified operation to polypropylene material.
The present invention has advantages below compared with prior art：
The present invention is arranged in pairs or groups by the reasonable selection to a variety of raw material on the basis of many experiments, coordinates special processing work
Skill, effectively realizes the modification to polypropylene material, and the impact strength of the polypropylene material finished product finally given improves 15
More than times, tensile strength fall is stable within 5%, and overall physicochemical characteristic is good, by the use work(of its obtained reinforcing sleeve
Can be good, and then effectively improve the service life of pump.
Embodiment
Embodiment 1
A kind of method of modifying for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve, comprises the following steps：
（1）It is prepared by matrix material：
Polypropylene, elastomer, ultra-high molecular weight polyethylene and low density linear polyethylene resin are put in 65 ~ 68 DEG C of bar respectively
It is standby after being dried under part, choose nanometer silicon dioxide particle material and carry out gradation, it is ensured that nanometer silicon dioxide material is average
Granular size is 15 ~ 30nm, then by polypropylene, elastomer, ultra-high molecular weight polyethylene, low density linear polyethylene, nanometer
Silica is according to mass ratio 120：8：6：14：4 mixing, finally put it into after being stirred in homogenizer and are made mixed again
Compound A is standby；
（2）Matrix material is pre-processed：
By step（1）The mixture A of gained is put into vapor tight tank, and heating keeps the temperature in vapor tight tank to be 50 ~ 55 DEG C, then will
Boost in pressure in vapor tight tank is to 2.3 ~ 2.4MPa, and heat-insulation pressure keeping is handled after 50min, then fast pressure relief is cooled to normal pressure and temperature,
Mixture B is made after processing standby；
（3）It is prepared by mixture C：
By step（2）The mixture B of gained takes out after processing, then adds the stabilization of its gross mass 0.3% into mixture B again
Agent, 1.2% lubricant, 0.1% antioxidant, 0.4% silane coupler, finally put it into stirring in homogenizer again
Obtained mixture C is standby after uniform；
（4）Material is extruded：
By step（3）The mixture C of gained, which is put into double screw extruder, carries out extrusion process, during which controls the temperature of processing sections
For 170 ~ 180 DEG C, the rotating speed for controlling extrusion screw rod is 200 ~ 220 revs/min, and pressure when extruding is increased into 7.5 ~ 8.0MPa,
Polypropylene chip finished product is finally made.
Further, step（1）Described in elastomer be POE elastomers.
Further, step（1）, step（3）Described in homogenizer mixing speed be 2000 ~ 2300 revs/min
Clock.
Further, step（2）Described in the used total duration of release cooling be no more than 15min.
Further, step（3）Described in stabilizer be magnesium stearate.
Further, step（3）Described in lubricant be atoleine.
Further, step（3）Described in antioxidant be antioxidant 1010.
Further, step（3）Described in silane coupler be silane coupler kh550.
Embodiment 2
A kind of method of modifying for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve, comprises the following steps：
（1）It is prepared by matrix material：
Polypropylene, elastomer, ultra-high molecular weight polyethylene and low density linear polyethylene resin are put in 70 ~ 73 DEG C of bar respectively
It is standby after being dried under part, choose nanometer silicon dioxide particle material and carry out gradation, it is ensured that nanometer silicon dioxide material is average
Granular size is 15 ~ 30nm, then by polypropylene, elastomer, ultra-high molecular weight polyethylene, low density linear polyethylene, nanometer
Silica is according to mass ratio 130：11：8：18：7 mixing, finally put it into after being stirred in homogenizer and are made again
Mixture A is standby；
（2）Matrix material is pre-processed：
By step（1）The mixture A of gained is put into vapor tight tank, and heating keeps the temperature in vapor tight tank to be 55 ~ 60 DEG C, then will
Boost in pressure in vapor tight tank is to 2.4 ~ 2.6MPa, and heat-insulation pressure keeping is handled after 53min, then fast pressure relief is cooled to normal pressure and temperature,
Mixture B is made after processing standby；
（3）It is prepared by mixture C：
By step（2）The mixture B of gained takes out after processing, then adds the stabilization of its gross mass 0.4% into mixture B again
Agent, 1.4% lubricant, 0.2% antioxidant, 0.6% silane coupler, finally put it into stirring in homogenizer again
Obtained mixture C is standby after uniform；
（4）Material is extruded：
By step（3）The mixture C of gained, which is put into double screw extruder, carries out extrusion process, during which controls the temperature of processing sections
For 180 ~ 190 DEG C, the rotating speed for controlling extrusion screw rod is 200 ~ 220 revs/min, and pressure when extruding is increased into 8.0 ~ 8.5MPa,
Polypropylene chip finished product is finally made.
Further, step（1）Described in elastomer be POE elastomers.
Further, step（1）, step（3）Described in homogenizer mixing speed be 2200 ~ 2400 revs/min
Clock.
Further, step（2）Described in the used total duration of release cooling be no more than 12min.
Further, step（3）Described in stabilizer be stearic acid file.
Further, step（3）Described in lubricant be atoleine.
Further, step（3）Described in antioxidant be antioxidant 1010.
Further, step（3）Described in silane coupler be silane coupler kh550.
Embodiment 3
A kind of method of modifying for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve, comprises the following steps：
（1）It is prepared by matrix material：
Polypropylene, elastomer, ultra-high molecular weight polyethylene and low density linear polyethylene resin are put in 70 ~ 75 DEG C of bar respectively
It is standby after being dried under part, choose nanometer silicon dioxide particle material and carry out gradation, it is ensured that nanometer silicon dioxide material is average
Granular size is 15 ~ 30nm, then by polypropylene, elastomer, ultra-high molecular weight polyethylene, low density linear polyethylene, nanometer
Silica is according to mass ratio 140：13：10：21：9 mixing, finally put it into after being stirred in homogenizer and are made again
Mixture A is standby；
（2）Matrix material is pre-processed：
By step（1）The mixture A of gained is put into vapor tight tank, and heating keeps the temperature in vapor tight tank to be 60 ~ 65 DEG C, then will
Boost in pressure in vapor tight tank is to 2.6 ~ 2.7MPa, and heat-insulation pressure keeping is handled after 55min, then fast pressure relief is cooled to normal pressure and temperature,
Mixture B is made after processing standby；
（3）It is prepared by mixture C：
By step（2）The mixture B of gained takes out after processing, then adds the stabilization of its gross mass 0.5% into mixture B again
Agent, 1.6% lubricant, 0.3% antioxidant, 0.8% silane coupler, finally put it into stirring in homogenizer again
Obtained mixture C is standby after uniform；
（4）Material is extruded：
By step（3）The mixture C of gained, which is put into double screw extruder, carries out extrusion process, during which controls the temperature of processing sections
For 190 ~ 200 DEG C, the rotating speed for controlling extrusion screw rod is 200 ~ 220 revs/min, and pressure when extruding is increased into 8.5 ~ 9.0MPa,
Polypropylene chip finished product is finally made.
Further, step（1）Described in elastomer be POE elastomers.
Further, step（1）, step（3）Described in homogenizer mixing speed be 2400 ~ 2500 revs/min
Clock.
Further, step（2）Described in the used total duration of release cooling be no more than 10min.
Further, step（3）Described in stabilizer be potassium stearate.
Further, step（3）Described in lubricant be vaseline.
Further, step（3）Described in antioxidant be antioxidant 1076.
Further, step（3）Described in silane coupler be silane coupler kh560.
Comparative example 1
This comparative example 1 compared with Example 2, saves step（2）Matrix material is pre-processed, and method and step in addition is homogeneous
Together.
Comparative example 2
This comparative example 2 compared with Example 2, by step（4）Pressure when being extruded in material extrusion is adjusted to conventional 0.1
~ 4.0MPa, method and step all same in addition.
Comparative example 3
This comparative example 3 compared with Example 2, saves nano silicon composition, method and step all same in addition.
Blank control group
Original unmodified polypropylene material.
In order to contrast effect of the present invention, from embodiment 2, comparative example 1, comparative example 2, the institute of comparative example 3
The obtained modified polypropylene material of method correspondence, and original unmodified polypropylene material described in blank control group are stated,
Then performance detection is carried out to above-mentioned material, specific correction data is as shown in table 1 below：
Table 1
| Notch impact strength [KJ/m2（25℃）] | Tensile yield strength（MPa） | |
| Embodiment 2 | 55.2 | 30.1 |
| Comparative example 1 | 30.1 | 28.0 |
| Comparative example 2 | 35.6 | 27.5 |
| Comparative example 3 | 24.8 | 30.5 |
| Blank control group | 3.6 | 31.3 |
Note：Notch impact strength and tensile yield strength described in upper table 1 respectively refer to GB/T 1843-2008 and GB/
T2040-2006 standard is tested, Izod notched impact strength and tensile yield strength that correspondence is obtained.
Modification processing method of the present invention can effectively lift the overall shock resistance of polypropylene material it can be seen from upper table 1
Intensity, and can effectively ensure original tensile strength, with good practical value.
Claims (9)
1. a kind of method of modifying for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve, it is characterised in that including such as
Lower step：
（1）It is prepared by matrix material：
Polypropylene, elastomer, ultra-high molecular weight polyethylene and low density linear polyethylene resin are put in 65 ~ 75 DEG C of bar respectively
It is standby after being dried under part, choose nanometer silicon dioxide particle material and carry out gradation, it is ensured that nanometer silicon dioxide material is average
Granular size is 15 ~ 30nm, then by polypropylene, elastomer, ultra-high molecular weight polyethylene, low density linear polyethylene, nanometer
Silica is according to mass ratio 120 ~ 140：8~13：6~10：14~21：4 ~ 9 mixing, finally put it into homogenizer again
Mixture A is made after stirring standby；
（2）Matrix material is pre-processed：
By step（1）The mixture A of gained is put into vapor tight tank, and heating keeps the temperature in vapor tight tank to be 50 ~ 65 DEG C, then will
Boost in pressure in vapor tight tank to 2.3 ~ 2.7MPa, heat-insulation pressure keeping is handled after 50 ~ 55min, then to be cooled to normal pressure normal for fast pressure relief
Temperature, is made mixture B standby after processing；
（3）It is prepared by mixture C：
By step（2）The mixture B of gained takes out after processing, then adds its gross mass 0.3 ~ 0.5% into mixture B again
Stabilizer, 1.2 ~ 1.6% lubricant, 0.1 ~ 0.3% antioxidant, 0.4 ~ 0.8% silane coupler, finally put it into again
Mixture C is made after being stirred in homogenizer standby；
（4）Material is extruded：
By step（3）The mixture C of gained, which is put into double screw extruder, carries out extrusion process, during which controls the temperature of processing sections
For 170 ~ 200 DEG C, the rotating speed for controlling extrusion screw rod is 200 ~ 220 revs/min, and pressure when extruding is increased into 7.5 ~ 9.0MPa,
Polypropylene chip finished product is finally made.
2. a kind of modification side for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve according to claim 1
Method, it is characterised in that step（1）Described in elastomer be POE elastomers.
3. a kind of modification side for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve according to claim 1
Method, it is characterised in that step（1）Described in polypropylene, elastomer, ultra-high molecular weight polyethylene, low density linear polyethylene,
The mass ratio of nano silicon is：130：11：8：18：7.
4. a kind of modification side for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve according to claim 1
Method, it is characterised in that step（1）, step（3）Described in homogenizer mixing speed be 2000 ~ 2500 revs/min.
5. a kind of modification side for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve according to claim 1
Method, it is characterised in that step（2）Described in the used total duration of release cooling be no more than 15min.
6. a kind of modification side for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve according to claim 1
Method, it is characterised in that step（3）Described in stabilizer be magnesium stearate, stearic acid file, any one in potassium stearate.
7. a kind of modification side for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve according to claim 1
Method, it is characterised in that step（3）Described in lubricant be atoleine, vaseline in any one.
8. a kind of modification side for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve according to claim 1
Method, it is characterised in that step（3）Described in antioxidant be antioxidant 1010, antioxidant 1076 in any one.
9. a kind of modification side for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve according to claim 1
Method, it is characterised in that step（3）Described in silane coupler be silane coupler kh550, silane coupler kh560 in
Any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710442406.9A CN107151385A (en) | 2017-06-13 | 2017-06-13 | A kind of method of modifying for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve |
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|---|---|---|---|
| CN201710442406.9A CN107151385A (en) | 2017-06-13 | 2017-06-13 | A kind of method of modifying for being used to manufacture the polypropylene material of fluoroplastic magnetic pump reinforcing sleeve |
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ID=59796163
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Citations (5)
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|---|---|---|---|---|
| CN102443216A (en) * | 2010-10-15 | 2012-05-09 | 哈尔滨鑫达高分子材料有限责任公司 | Anti-aging, anti-yellowing and low-odor polypropylene composite material and preparation method thereof |
| CN102532686A (en) * | 2010-12-23 | 2012-07-04 | 上海普利特复合材料股份有限公司 | Low-gloss and scratch-resistant polypropylene material and preparation method thereof |
| CN103665546A (en) * | 2013-11-27 | 2014-03-26 | 上海纳米技术及应用国家工程研究中心有限公司 | Method for toughening and modifying polypropylene |
| CN103709519A (en) * | 2012-10-09 | 2014-04-09 | 滁州格美特科技有限公司 | Modified polypropylene material and preparation method thereof |
| CN106496759A (en) * | 2016-11-09 | 2017-03-15 | 北京理工大学 | A kind of low smoke and zero halogen nano fire-retarding composite material for the ethylene vinyl acetate copolymer for promoting into charcoal and preparation method thereof |
-
2017
- 2017-06-13 CN CN201710442406.9A patent/CN107151385A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102443216A (en) * | 2010-10-15 | 2012-05-09 | 哈尔滨鑫达高分子材料有限责任公司 | Anti-aging, anti-yellowing and low-odor polypropylene composite material and preparation method thereof |
| CN102532686A (en) * | 2010-12-23 | 2012-07-04 | 上海普利特复合材料股份有限公司 | Low-gloss and scratch-resistant polypropylene material and preparation method thereof |
| CN103709519A (en) * | 2012-10-09 | 2014-04-09 | 滁州格美特科技有限公司 | Modified polypropylene material and preparation method thereof |
| CN103665546A (en) * | 2013-11-27 | 2014-03-26 | 上海纳米技术及应用国家工程研究中心有限公司 | Method for toughening and modifying polypropylene |
| CN106496759A (en) * | 2016-11-09 | 2017-03-15 | 北京理工大学 | A kind of low smoke and zero halogen nano fire-retarding composite material for the ethylene vinyl acetate copolymer for promoting into charcoal and preparation method thereof |
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