CN113248886A - Powder filling polymer master batch and preparation method thereof - Google Patents
Powder filling polymer master batch and preparation method thereof Download PDFInfo
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- CN113248886A CN113248886A CN202110765650.5A CN202110765650A CN113248886A CN 113248886 A CN113248886 A CN 113248886A CN 202110765650 A CN202110765650 A CN 202110765650A CN 113248886 A CN113248886 A CN 113248886A
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- 239000000843 powder Substances 0.000 title claims abstract description 39
- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 32
- 229920000642 polymer Polymers 0.000 title claims abstract description 28
- 238000011049 filling Methods 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 44
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 22
- 229920000747 poly(lactic acid) Polymers 0.000 claims abstract description 18
- 239000004626 polylactic acid Substances 0.000 claims abstract description 18
- 239000000314 lubricant Substances 0.000 claims abstract description 14
- 239000004014 plasticizer Substances 0.000 claims abstract description 11
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- 239000007822 coupling agent Substances 0.000 claims abstract description 9
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000002994 raw material Substances 0.000 claims description 29
- 239000000463 material Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 13
- 238000001125 extrusion Methods 0.000 claims description 12
- 229920001896 polybutyrate Polymers 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 239000012856 weighed raw material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 4
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 claims 1
- 235000013311 vegetables Nutrition 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000000654 additive Substances 0.000 abstract description 2
- 238000006065 biodegradation reaction Methods 0.000 abstract description 2
- 239000000969 carrier Substances 0.000 abstract description 2
- 125000005456 glyceride group Chemical group 0.000 abstract description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 abstract description 2
- 239000008158 vegetable oil Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920006238 degradable plastic Polymers 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
- C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
- C08K5/1515—Three-membered rings
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to a powder filling polymer master batch and a preparation method thereof, wherein the powder filling polymer master batch comprises the following components in parts by weight: 50-100 parts of calcium carbonate, 5-10 parts of PBAT10, 5-10 parts of non-crystalline polylactic acid, 1-3 parts of coupling agent, 1-5 parts of degradable lubricant, 3-8 parts of compatilizer, 1-2 parts of biodegradable plasticizer and 0.1-0.3 part of antioxidant; the calcium carbonate adopts 3000-plus 5000-mesh calcium carbonate powder; the number average molecular weight of the non-crystalline polylactic acid is 5000-200000; the degradable lubricant adopts degradable lubricant RF-8; the biodegradable plasticizer is diacetyl epoxidized vegetable oil glyceride. The invention has the advantages that the master batch prepared by the preparation method has good powder dispersibility and good performance on the basis of ensuring larger powder filling amount, low water absorption and wide application range, and meanwhile, the formula of the master batch provided by the invention does not contain non-degradable carriers or additives and has the characteristic of complete biodegradation.
Description
Technical Field
The invention relates to the technical field of composite high polymer materials and processing thereof, in particular to a powder filling polymer master batch and a preparation method thereof.
Background
Plastics produced by petrochemical engineering are widely used due to their lightness, durability and good processability, but compared with other materials, the plastics are almost non-degradable in nature, and bring huge pressure to the environment. On the other hand, petroleum is a non-renewable resource. Therefore, it is of great significance to develop degradable plastics which do not use petroleum as raw materials. Because the existing filling materials are basically powder materials, such as reinforcing materials of talcum powder, mica powder, calcium carbonate and the like, such as an auxiliary coupling agent, a dispersing agent, an antioxidant, a compatilizer, a lubricant, a deodorant and the like, a large amount of powder materials are difficult to directly add into a resin matrix, resin containing a large amount of powder is difficult to extrude, inject, blow and the like, the production process requirements are difficult to meet, the traditional filling modification usually greatly reduces the toughness and the strength of the main mechanical properties of the structural material, and the effect is not ideal.
Disclosure of Invention
The invention aims to provide a powder filling polymer master batch and a preparation method thereof, which are used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the powder filling polymer master batch comprises the following components in parts by weight: 50-100 parts of calcium carbonate, 78-20 parts of PBAT10, 5-10 parts of non-crystalline polylactic acid, 1-3 parts of coupling agent, 1-5 parts of degradable lubricant, 3-8 parts of compatilizer, 1-2 parts of biodegradable plasticizer and 0.1-0.3 part of antioxidant.
As a further scheme of the invention: the calcium carbonate adopts 3000-5000 meshes of calcium carbonate powder.
As a further scheme of the invention: the number average molecular weight of the non-crystalline polylactic acid is 5000 to 200000.
As a further scheme of the invention: the degradable lubricant adopts degradable lubricant RF-8.
As a further scheme of the invention: the biodegradable plasticizer is diacetyl epoxidized vegetable oil glyceride.
A preparation method of powder filling polymer master batch comprises the following specific steps: s1, weighing the raw materials according to the mass parts of the raw materials;
s2, pouring the weighed raw materials into an internal mixer, and then starting the internal mixer to mix at the temperature of 150 ℃ for 30-40 min;
and S3, after banburying is finished, extruding the banburying materials by an extruder, granulating, filtering by a vibrating screen, and bagging to obtain the powder filled polymer master batch.
As a further scheme of the invention: when the materials are poured in the S2, firstly, the weighed calcium carbonate, PBAT and the non-crystalline polylactic acid raw materials are poured into an internal mixer, the internal mixing temperature is 150 ℃, and the stirring is carried out for 10-15 min; then pouring the rest raw materials into an internal mixer, keeping the temperature unchanged, and stirring for 20-25 min.
As a further scheme of the invention: the banbury mixer in S2 was set to a banburying speed of 25-30 rpm.
As a further scheme of the invention: in S3, the length-diameter ratio of the extruder is 28: 1, a double-screw extruder with the length-diameter ratio of 40:1 or a double-screw extruder with the length-diameter ratio of 56: 1.
As a further scheme of the invention: the rotating speed of the main machine is set to be 250-300rpm when the extruder in the S3 extrudes; the extrusion temperature was set at 130-180 ℃.
Compared with the prior art, the invention has the beneficial effects that: the master batch prepared by the preparation method has good powder dispersibility and good performance on the basis of ensuring larger powder filling amount, low water absorption and wide application range, and meanwhile, the formula of the master batch provided by the invention does not contain non-degradable carriers or additives and has the characteristic of complete biodegradation.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A powder filling polymer master batch comprises the following components in parts by weight: 50 parts of calcium carbonate, 5 parts of PBAT10 parts of non-crystalline polylactic acid, 1 part of coupling agent, 1 part of degradable lubricant, 3 parts of compatilizer, 1 part of biodegradable plasticizer and 0.1 part of antioxidant.
Then weighing the raw materials according to the mass parts of the raw materials;
then, firstly pouring the weighed calcium carbonate, PBAT and non-crystalline polylactic acid raw materials into an internal mixer, and stirring for 10min at the internal mixing temperature of 150 ℃; then pouring the rest raw materials into an internal mixer, keeping the temperature unchanged, and stirring for 20 min; the rotating speed is 30 rpm;
and then after banburying is finished, the banburying materials are subjected to the following steps of using a mixture with the length-diameter ratio of 40:1, extruding by a double-screw extruder at the extrusion temperature of 180 ℃ and the rotation speed of 300 rpm; after extrusion, granulating, filtering by a vibrating screen and bagging to obtain the powder filled polymer master batch.
Example 2
A powder filling polymer master batch comprises the following components in parts by weight: 80 parts of calcium carbonate, 16 parts of PBAT, 8 parts of non-crystalline polylactic acid, 2 parts of a coupling agent, 3 parts of a degradable lubricant, 5 parts of a compatilizer, 1.5 parts of a biodegradable plasticizer and 0.2 part of an antioxidant.
Then weighing the raw materials according to the mass parts of the raw materials;
then, firstly pouring the weighed calcium carbonate, PBAT and non-crystalline polylactic acid raw materials into an internal mixer, and stirring for 10min at the internal mixing temperature of 150 ℃; then pouring the rest raw materials into an internal mixer, keeping the temperature unchanged, and stirring for 20 min; the rotating speed is 30 rpm;
and then after banburying is finished, the banburying materials are subjected to the following steps of using a mixture with the length-diameter ratio of 40:1, extruding by a double-screw extruder at the extrusion temperature of 180 ℃ and the rotation speed of 300 rpm; after extrusion, granulating, filtering by a vibrating screen and bagging to obtain the powder filled polymer master batch.
Example 3
A powder filling polymer master batch comprises the following components in parts by weight: 100 parts of calcium carbonate, 20 parts of PBAT, 10 parts of non-crystalline polylactic acid, 3 parts of a coupling agent, 5 parts of a degradable lubricant, 8 parts of a compatilizer, 2 parts of a biodegradable plasticizer and 0.3 part of an antioxidant.
Then weighing the raw materials according to the mass parts of the raw materials;
then, firstly pouring the weighed calcium carbonate, PBAT and non-crystalline polylactic acid raw materials into an internal mixer, and stirring for 10min at the internal mixing temperature of 150 ℃; then pouring the rest raw materials into an internal mixer, keeping the temperature unchanged, and stirring for 20 min; the rotating speed is 30 rpm;
and then after banburying is finished, the banburying materials are subjected to the following steps of using a mixture with the length-diameter ratio of 40:1, extruding by a double-screw extruder at the extrusion temperature of 180 ℃ and the rotation speed of 300 rpm; after extrusion, granulating, filtering by a vibrating screen and bagging to obtain the powder filled polymer master batch.
Example 4
A powder filling polymer master batch comprises the following components in parts by weight: 50 parts of calcium carbonate, 5 parts of PBAT10 parts of non-crystalline polylactic acid, 1 part of coupling agent, 1 part of degradable lubricant, 3 parts of compatilizer, 1 part of biodegradable plasticizer and 0.1 part of antioxidant.
Then weighing the raw materials according to the mass parts of the raw materials;
then, firstly pouring the weighed calcium carbonate, PBAT and non-crystalline polylactic acid raw materials into an internal mixer, and stirring for 10min at the internal mixing temperature of 150 ℃; then pouring the rest raw materials into an internal mixer, keeping the temperature unchanged, and stirring for 20 min; the rotating speed is 30 rpm;
and then after banburying is finished, adopting the banburying materials with the length-diameter ratio of 28: 1, extruding by a single screw extruder at the extrusion temperature of 130 ℃ and the rotation speed of 250 rpm; after extrusion, granulating, filtering by a vibrating screen and bagging to obtain the powder filled polymer master batch.
Example 5
A powder filling polymer master batch comprises the following components in parts by weight: 50 parts of calcium carbonate, 5 parts of PBAT10 parts of non-crystalline polylactic acid, 1 part of coupling agent, 1 part of degradable lubricant, 3 parts of compatilizer, 1 part of biodegradable plasticizer and 0.1 part of antioxidant.
Then weighing the raw materials according to the mass parts of the raw materials;
then, firstly pouring the weighed calcium carbonate, PBAT and non-crystalline polylactic acid raw materials into an internal mixer, and stirring for 10min at the internal mixing temperature of 150 ℃; then pouring the rest raw materials into an internal mixer, keeping the temperature unchanged, and stirring for 20 min; the rotating speed is 30 rpm;
and then after banburying is finished, the banburying materials are mixed according to the length-diameter ratio of 56:1, extruding by a double-screw extruder at the extrusion temperature of 180 ℃ and the rotation speed of 300 rpm; after extrusion, granulating, filtering by a vibrating screen and bagging to obtain the powder filled polymer master batch.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The powder filling polymer master batch is characterized by comprising the following components in parts by mass: 50-100 parts of calcium carbonate, 78-20 parts of PBAT10, 5-10 parts of non-crystalline polylactic acid, 1-3 parts of coupling agent, 1-5 parts of degradable lubricant, 3-8 parts of compatilizer, 1-2 parts of biodegradable plasticizer and 0.1-0.3 part of antioxidant.
2. The powder filled polymer masterbatch of claim 1, wherein the calcium carbonate is calcium carbonate powder of 3000-5000 mesh.
3. The powder-filled polymer masterbatch according to claim 1, wherein the number average molecular weight of the amorphous polylactic acid is 5000 to 200000.
4. The powder filled polymer masterbatch of claim 1, wherein the degradable lubricant is RF-8.
5. The powder filled polymer masterbatch of claim 1, wherein the biodegradable plasticizer is diacetyl epoxidized vegetable olein.
6. The preparation method of the powder filled polymer master batch of claims 1-5, comprising the following steps: s1, weighing the raw materials according to the mass parts of the raw materials;
s2, pouring the weighed raw materials into an internal mixer, and then starting the internal mixer to mix at the temperature of 150 ℃ for 30-40 min;
and S3, after banburying is finished, extruding the banburying materials by an extruder, granulating, filtering by a vibrating screen, and bagging to obtain the powder filled polymer master batch.
7. The method for preparing the powder filled polymer masterbatch according to claim 6, wherein the weighed calcium carbonate, PBAT and non-crystalline polylactic acid raw materials are poured into an internal mixer at 150 ℃ and stirred for 10-15min when the materials are poured in S2; then pouring the rest raw materials into an internal mixer, keeping the temperature unchanged, and stirring for 20-25 min.
8. The method for preparing the powder filled polymer masterbatch of claim 6, wherein the banbury mixer in S2 is set to have a banburying speed of 25-30 rpm.
9. The method of claim 6, wherein the extruder of S3 has an aspect ratio of 28: 1, a double-screw extruder with the length-diameter ratio of 40:1 or a double-screw extruder with the length-diameter ratio of 56: 1.
10. The method according to claim 6, wherein the rotation speed of the main body of the extruder in S3 is set to be 250-300 rpm; the extrusion temperature was set at 130-180 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110765650.5A CN113248886A (en) | 2021-07-07 | 2021-07-07 | Powder filling polymer master batch and preparation method thereof |
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| CN202110765650.5A CN113248886A (en) | 2021-07-07 | 2021-07-07 | Powder filling polymer master batch and preparation method thereof |
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Cited By (2)
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| CN113717508A (en) * | 2021-10-14 | 2021-11-30 | 新乐华宝卫材科技有限公司 | Degradable film for sanitary material packaging and preparation method thereof |
| CN114716698A (en) * | 2022-04-29 | 2022-07-08 | 东莞市冠亿新材料科技有限公司 | Low-water-absorption PLA color master batch and preparation method thereof |
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Application publication date: 20210813 |