CN104004272A - Modified polypropylene composite material and preparation method thereof - Google Patents
Modified polypropylene composite material and preparation method thereof Download PDFInfo
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- CN104004272A CN104004272A CN201410276821.8A CN201410276821A CN104004272A CN 104004272 A CN104004272 A CN 104004272A CN 201410276821 A CN201410276821 A CN 201410276821A CN 104004272 A CN104004272 A CN 104004272A
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- composite material
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- modified composite
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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
- C08L23/14—Copolymers of propene
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
-
- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a modified polypropylene composite material. The modified polypropylene composite material comprises, by weight, 76-80 parts of polypropylene, 4-10 parts of EVOH, 10-20 parts of compatilizer, 0.1-0.2 part of main antioxidants, 0.1-0.2 part of auxiliary antioxidants, 0.15-0.3 part of an ultraviolet light absorber and 0.3-0.8 part of an assistant. The invention further discloses a preparation method of the modified polypropylene composite material. The modified polypropylene composite material is good in permeability resistance and good in physical and mechanical property. The modified polypropylene composite material has the excellent performance of blocking gas, smells, perfume, solvents and the like and has good tenacity under the condition of low temperature or a high strain rate, and therefore the application range of the polypropylene composite material to structural materials and engineering plastic is greatly widened.
Description
Technical field
The present invention relates to a kind of polypropylene modified composite material, also relate to the preparation method of above-mentioned matrix material, belong to technical field of polymer materials.
Background technology
Compare with other general-purpose thermoplastic plastics, PP has that relative density is little, price is low, and has outstanding proof stress, cracking behavior and wear resistance, and it has good electrical insulating property in addition, its snappiness and make it of many uses as the modification potentiality of base mateiral.Polypropylene is because the perviousness of organic solvent-resistant is poor, the isotactic structure crystallinity that adds it is large, grain size distribution is affected greatly by condition of molding, therefore under normal temperature or static conditions, the movement that unformed area connects section makes material have higher toughness, and under low temperature or high strain rate, due to the impact energy absorbing, can not transmit in time, material demonstrates fragility.Therefore, in range of application, especially in the application as structured material and engineering plastics, be limited by very large, in order to improve polyacrylic performance, life-time service also expands its range of application, need carry out modification to acrylic plastering.
EVOH can greatly suppress oxygen intrusion food in air, thereby suppresses to produce because of microbial growth the objectionable impuritiess such as toxin, can also anti-oxidation cause that composition changes, and protects perfume simultaneously and prevents extraneous smell pollution.The barrier layer structure that contains EVOH resin is used in all hard and soft packagings and comprises aseptic, heat injection and all types of food-processings that pressure is boiled.With containing the product that EVOH material packs, have: seasonings (soy sauce), tomato sauce, juice, pasta, meat product, cheese product and finished fruit.Non-food application comprises solvent, chemical and the packing of product relevant with medicine.The manufacturers of the fuel container of motor vehicle, fuel tube and conditioning unit reduces the discharge of freonll-11 by EVOH structure.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is to provide a kind of polypropylene modified composite material, this matrix material has excellent gas barrier properties and good physical and mechanical properties.
The technical problem that the present invention also will solve is to provide the preparation method of above-mentioned polypropylene modified composite material.
For solving the problems of the technologies described above, the technology used in the present invention means are:
A polypropylene modified composite material, by the component of following parts by weight: 76-80 part polypropylene, 4-10 part EVOH, 10-20 part compatilizer, 0.1-0.2 part primary antioxidant, 0.1-0.2 part auxiliary antioxidant, 0.15-0.3 part UV light absorber and the blend of 0.3-0.8 part auxiliary agent form.
Wherein, described polypropylene material is atactic copolymerized polypropene.
Wherein, described compatilizer is any one or the arbitrarily several mixing in any proportion in PP-g-MAH, PP-g-AA or POE-g-MAH, preferably maleic anhydride grafted ethene-octene copolymer (POE-g-MAH) is as the compatilizer of matrix material, add compatilizer can improve the interface compatibility of toughness and the two-phase of material, by test, find that esterification can occur for the side group of POE-g-MAH and the hydroxyl of EVOH, make POE-g-MAH in matrix material, both play compatibilization and also have toughness reinforcing effect simultaneously.
Wherein, described primary antioxidant is any one or the arbitrarily several mixing in any proportion in antioxidant 1010, oxidation inhibitor 1098, antioxidant 1076, irgasfos 168 or oxidation inhibitor DSTP.
Wherein, described auxiliary antioxidant is any one or the arbitrarily several mixing in any proportion in irgasfos 168, oxidation inhibitor 626 and antioxidant 618.
Wherein, described UV light absorber is any one or the arbitrarily several mixing in any proportion in UV944, UV324, UV-P or UV-770.
Wherein, described auxiliary agent is nucleator, linking agent and the mixing in any proportion of scratch resistance liniment.
The preparation method of above-mentioned polypropylene modified composite material, comprises the steps:
Step 1, mixes the polypropylene of formula ratio, compatilizer and barrier material, obtains mixture I;
Step 2, primary antioxidant, auxiliary antioxidant, UV light absorber and auxiliary agent toward adding formula ratio in the mixture I of step 1, obtain mixture II after stirring;
Step 3, adds the mixture II of step 2 in twin screw extruder, and twin screw extruder extruding pelletization, obtains required matrix material, and wherein, extrusion temperature is 170 ~ 185 ℃.
Wherein, in step 3, each operation section extrusion temperature of described twin screw extruder is: 170 ~ 175 ℃, a district, and 2nd district are 175 ~ 180 ℃, three 180 ℃, districts, four 180 ℃, districts, five 180 ~ 185 ℃, districts, six 185 ℃, districts, 7th district are 180 ~ 185 ℃, 8th district are 175 ~ 180 ℃.
Beneficial effect: polypropylene modified composite material of the present invention has excellent gas barrier properties and good physical and mechanical properties, PP material after modification not only shows gas, smell, spices, solvent etc. is presented to excellent barrier, and under low temperature or high strain rate, still show good toughness, greatly widened the application of PP material on structured material and engineering plastics, matrix material of the present invention can be widely used in the fields such as automotive industry, electrical equipment industry, daily necessities industry, furniture industry, packaging industry and biological medicine.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, the present invention is described in more detail.
Atactic copolymerized polypropene in matrix material of the present invention, EVOH, POE-g-MAH, oxidation inhibitor, be that outer light absorbers and auxiliary agent are commercial goods.
Embodiment 1
A polypropylene modified composite material, by the component of following parts by weight: 80 parts of atactic copolymerized polypropenes, 10 parts of EVOH, 10 parts of POE-g-MAH, 0.2 part of antioxidant 1010,0.2 part of irgasfos 168,0.15 part of UV944 and 0.8 part of auxiliary agent blend form.
Above-mentioned polypropylene modified composite material specifically adopts following steps preparation to get:
Step 1, mixes 80 parts of atactic copolymerized polypropenes, 10 parts of EVOH and 10 parts of POE-g-MAH, obtains mixture I;
Step 2 adds 0.2 part of antioxidant 1010,0.2 part of irgasfos 168,0.15 part of UV944 and 0.8 part of auxiliary agent in the mixture I of step 1, obtains mixture II after stirring;
Step 3, the mixture II of step 2 is added in twin screw extruder, and twin screw extruder extruding pelletization, obtains required matrix material, each operation section extrusion temperature of twin screw extruder is: 170 ~ 175 ℃, a district, 2nd district are 175 ~ 180 ℃, three 180 ℃, districts, four 180 ℃, districts, five 180 ~ 185 ℃, districts, six 185 ℃, districts, 7th district are 180 ~ 185 ℃, 8th district are 175 ~ 180 ℃.
By test, show, the polypropylene modified composite material that the present embodiment makes has good barrier to solvent, and at low temperatures, still shows good toughness, can be used for making the barrier film of battery.
Embodiment 2
A polypropylene modified composite material, by the component of following parts by weight: 76 parts of atactic copolymerized polypropenes, 6 parts of EVOH, 18 parts of POE-g-MAH, 0.2 part of antioxidant 1010,626,0.15 part of UV944 of 0.2 part of oxidation inhibitor and 0.8 part of auxiliary agent blend form.
Above-mentioned polypropylene modified composite material specifically adopts following steps preparation to get:
Step 1, mixes 76 parts of atactic copolymerized polypropenes, 6 parts of EVOH and 18 parts of POE-g-MAH, obtains mixture I;
Step 2 adds 0.2 part of antioxidant 1010,626,0.15 part of UV944 of 0.2 part of oxidation inhibitor and 0.8 part of auxiliary agent in the mixture I of step 1, obtains mixture II after stirring;
Step 3, the mixture II of step 2 is added in twin screw extruder, and twin screw extruder extruding pelletization, obtains required matrix material, each operation section extrusion temperature of twin screw extruder is: 170 ~ 175 ℃, a district, 2nd district are 175 ~ 180 ℃, three 180 ℃, districts, four 180 ℃, districts, five 180 ~ 185 ℃, districts, six 185 ℃, districts, 7th district are 180 ~ 185 ℃, 8th district are 175 ~ 180 ℃.
Embodiment 3
A polypropylene modified composite material, by the component of following parts by weight: 78 parts of atactic copolymerized polypropenes, 4 parts of EVOH, 20 parts of POE-g-MAH, 0.2 part of antioxidant 1010,0.2 part of antioxidant 618,0.15 part of UV944 and 0.8 part of auxiliary agent blend form.
Above-mentioned polypropylene modified composite material specifically adopts following steps preparation to get:
Step 1, mixes 78 parts of atactic copolymerized polypropenes, 4 parts of EVOH and 20 parts of POE-g-MAH, obtains mixture I;
Step 2 adds 0.2 part of antioxidant 1010,0.2 part of antioxidant 618,0.15 part of UV944 and 0.8 part of auxiliary agent in the mixture I of step 1, obtains mixture II after stirring;
Step 3, the mixture II of step 2 is added in twin screw extruder, and twin screw extruder extruding pelletization, obtains required matrix material, each operation section extrusion temperature of twin screw extruder is: 170 ~ 175 ℃, a district, 2nd district are 175 ~ 180 ℃, three 180 ℃, districts, four 180 ℃, districts, five 180 ~ 185 ℃, districts, six 185 ℃, districts, 7th district are 180 ~ 185 ℃, 8th district are 175 ~ 180 ℃.
Table 1
From table 1, we can learn, the polypropylene modified composite material of embodiment of the present invention gained has had large increase on mechanical property and barrier property; And comparative example 1, embodiment 2, embodiment 3 are known, by change the proportioning (i.e. parts by weight in matrix material) of EVOH and compatilizer simultaneously, can effectively change barrier property and the mechanical property of matrix material.Along with EVOH and compatibilizer content ratio (are the content of EVOH: increase compatibilizer content), material is and increases progressively state in barrier property and mechanical property, is obvious decrement states in lipophilicity simultaneously.
Above-mentioned embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not limited by the examples; other are any does not deviate from change, the modification done under spirit of the present invention and principle, substitute, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (9)
1. a polypropylene modified composite material, is characterized in that: by the component of following parts by weight: 76-80 part polypropylene, 4-10 EVOH, 10-20 part compatilizer, 0.1-0.2 part primary antioxidant, 0.1-0.2 part auxiliary antioxidant, 0.15-0.3 part UV light absorber and the blend of 0.3-0.8 part auxiliary agent form.
2. polypropylene modified composite material according to claim 1, is characterized in that, described polypropylene material is atactic copolymerized polypropene.
3. polypropylene modified composite material according to claim 1, is characterized in that, described compatilizer is any one or the arbitrarily several mixing in any proportion in PP-g-MAH, PP-g-AA or POE-g-MAH.
4. polypropylene modified composite material according to claim 1, is characterized in that, described primary antioxidant is any one or the arbitrarily several mixing in any proportion in antioxidant 1010, oxidation inhibitor 1098, antioxidant 1076 or oxidation inhibitor DSTP.
5. polypropylene modified composite material according to claim 1, is characterized in that, described auxiliary antioxidant is any one or the arbitrarily several mixing in any proportion in irgasfos 168, oxidation inhibitor 626 and antioxidant 618.
6. polypropylene modified composite material according to claim 1, is characterized in that, described UV light absorber is any one or the arbitrarily several mixing in any proportion in UV944, UV324, UV-P or UV-770.
7. polypropylene modified composite material according to claim 1, is characterized in that, described auxiliary agent is nucleator, linking agent and the mixing in any proportion of scratch resistance liniment.
8. the preparation method of polypropylene modified composite material described in claim 1, is characterized in that, comprises the steps:
Step 1, mixes the polypropylene of formula ratio, compatilizer and barrier material, obtains mixture I;
Step 2, primary antioxidant, auxiliary antioxidant, UV light absorber and auxiliary agent toward adding formula ratio in the mixture I of step 1, obtain mixture II after stirring;
Step 3, adds the mixture II of step 2 in twin screw extruder, and twin screw extruder extruding pelletization, obtains required matrix material, and wherein, extrusion temperature is 170 ~ 185 ℃.
9. the preparation method of polypropylene modified composite material according to claim 8, it is characterized in that, in step 3, each operation section extrusion temperature of described twin screw extruder is: 170 ~ 175 ℃, a district, and 2nd district are 175 ~ 180 ℃, three 180 ℃, districts, four 180 ℃, districts, five 180 ~ 185 ℃, districts, six 185 ℃, districts, 7th district are 180 ~ 185 ℃, and 8th district are 175 ~ 180 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410276821.8A CN104004272A (en) | 2014-06-20 | 2014-06-20 | Modified polypropylene composite material and preparation method thereof |
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| CN201410276821.8A CN104004272A (en) | 2014-06-20 | 2014-06-20 | Modified polypropylene composite material and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440454A (en) * | 2015-12-28 | 2016-03-30 | 中广核俊尔新材料有限公司 | Thermal-aging-resistant polypropylene composite material with high surface polarity and preparation method of polypropylene composite material |
| CN105837949A (en) * | 2016-06-21 | 2016-08-10 | 安庆市天虹新型材料科技有限公司 | Modified polypropylene film |
| CN106397974A (en) * | 2016-08-31 | 2017-02-15 | 宁波市鄞州柯力塑业有限公司 | High barrier anti-aging water cup and preparation method thereof |
| CN106432903A (en) * | 2016-08-31 | 2017-02-22 | 宁波市鄞州柯力塑业有限公司 | Water cup with scratch resistance and high barrier property and preparation method thereof |
| CN110218388A (en) * | 2019-05-27 | 2019-09-10 | 江苏汉德纳米材料科技有限公司 | A kind of antiultraviolet ageing resistance polypropylene master batch and its manufacturing process |
| CN115028916A (en) * | 2022-06-08 | 2022-09-09 | 广州丽盈塑料有限公司 | High-barrier light plastic for plastic packaging container and preparation method thereof |
| WO2023071296A1 (en) * | 2021-10-28 | 2023-05-04 | 金发科技股份有限公司 | Long glass fiber reinforced polypropylene composite material, preparation method therefor, and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105440454A (en) * | 2015-12-28 | 2016-03-30 | 中广核俊尔新材料有限公司 | Thermal-aging-resistant polypropylene composite material with high surface polarity and preparation method of polypropylene composite material |
| CN105837949A (en) * | 2016-06-21 | 2016-08-10 | 安庆市天虹新型材料科技有限公司 | Modified polypropylene film |
| CN106397974A (en) * | 2016-08-31 | 2017-02-15 | 宁波市鄞州柯力塑业有限公司 | High barrier anti-aging water cup and preparation method thereof |
| CN106432903A (en) * | 2016-08-31 | 2017-02-22 | 宁波市鄞州柯力塑业有限公司 | Water cup with scratch resistance and high barrier property and preparation method thereof |
| CN106432903B (en) * | 2016-08-31 | 2019-03-29 | 宁波市鄞州柯力塑业有限公司 | A kind of cup and preparation method thereof of scratch-resistant high barrier |
| CN110218388A (en) * | 2019-05-27 | 2019-09-10 | 江苏汉德纳米材料科技有限公司 | A kind of antiultraviolet ageing resistance polypropylene master batch and its manufacturing process |
| WO2023071296A1 (en) * | 2021-10-28 | 2023-05-04 | 金发科技股份有限公司 | Long glass fiber reinforced polypropylene composite material, preparation method therefor, and application thereof |
| CN115028916A (en) * | 2022-06-08 | 2022-09-09 | 广州丽盈塑料有限公司 | High-barrier light plastic for plastic packaging container and preparation method thereof |
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Application publication date: 20140827 |