CN113980466A - Polyphenylene sulfide composition and preparation method and application thereof - Google Patents

Polyphenylene sulfide composition and preparation method and application thereof Download PDF

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Publication number
CN113980466A
CN113980466A CN202111272753.4A CN202111272753A CN113980466A CN 113980466 A CN113980466 A CN 113980466A CN 202111272753 A CN202111272753 A CN 202111272753A CN 113980466 A CN113980466 A CN 113980466A
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polyphenylene sulfide
sulfide composition
mica powder
flat glass
parts
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CN202111272753.4A
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CN113980466B (en
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陈锐
陈平绪
叶南飚
王丰
郑一泉
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Kingfa Science and Technology Co Ltd
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Kingfa Science and Technology Co Ltd
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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
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/02—Polythioethers; Polythioether-ethers
    • 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
    • C08K2201/005—Additives being defined by their particle size in general
    • 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

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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)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a polyphenylene sulfide composition, which comprises the following components in parts by weight: 80-100 parts of PPS resin; 20-30 parts of flat glass fiber; 10-20 parts of glass flakes; 10-20 parts of mica powder; 0.5-1 part of polyvinylpyrrolidone. According to the invention, flat glass fiber, glass flake and mica powder in a certain weight ratio are added into PPS resin, and appropriate polyvinylpyrrolidone is added, so that an approximate two-phase continuous phase structure which takes the PPS resin as a main continuous phase and takes the flat glass fiber, the glass flake and the mica powder as a barrier secondary continuous phase is favorably formed, the complexity of a water vapor transmission path is greatly increased, the water vapor transmission rate of the material is effectively reduced, the material can keep higher mechanical strength, and the prepared polyphenylene sulfide composition has excellent water vapor barrier property and high mechanical property.

Description

Polyphenylene sulfide composition and preparation method and application thereof
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a polyphenylene sulfide composition and a preparation method and application thereof.
Background
The method for improving the water vapor barrier property of the material mainly comprises the following steps: surface treatment technology, multilayer coextrusion technology and blending barrier technology. The multilayer co-extrusion and surface treatment technology has already been industrialized, but has the defects of high equipment investment, complex process, difficult recovery of waste materials and the like. The blending barrier technology is mainly characterized in that a layered barrier component is introduced through layered blending, and the diffusion path of permeable molecules in a material is prolonged, so that the barrier property of the material is improved; compared with surface treatment and multilayer coextrusion, the blend barrier technology has the advantages of simple production process, low equipment investment and the advantages of product recovery and economic use of raw materials, so the method is a direction for more researches on improving the barrier property of materials in recent years.
For polyphenylene sulfide materials, a multilayer compounding method is mostly adopted to improve the water vapor barrier property at present, and related researches of adopting layered blending are relatively few, mainly because the layered blending generally needs to add a large amount of high-barrier components, and the high-barrier components are difficult to realize good dispersion in polyphenylene sulfide matrix resin, so that an ideal layered blending structure is difficult to obtain, the water vapor barrier property of the materials cannot be effectively improved, and the problem of deteriorating the mechanical property of the materials is also caused. The invention mainly researches how to effectively improve the water vapor barrier property of the polyphenylene sulfide material, and simultaneously keeps good mechanical strength so as to meet the use requirements of the material in the fields of water treatment, automobile water pumps and the like, and has important significance for further widening the application of the polyphenylene sulfide material.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a polyphenylene sulfide composition which has excellent water vapor barrier property and high mechanical property.
Another object of the present invention is to provide a method for preparing the polyphenylene sulfide composition.
The invention also aims to provide application of the polyphenylene sulfide composition.
The invention is realized by the following technical scheme:
the polyphenylene sulfide composition comprises the following components in parts by weight:
80-100 parts of PPS resin;
20-30 parts of flat glass fiber;
10-20 parts of glass flakes;
10-20 parts of mica powder;
0.5-1 part of polyvinylpyrrolidone.
According to research, the polyphenylene sulfide composition prepared by adding three components of flat glass fiber, glass flake and mica powder in a certain weight ratio and simultaneously adding proper polyvinylpyrrolidone has excellent water vapor barrier property. The glass flakes and the mica powder are added and dispersed in the PPS resin in a layered form, the flat glass fiber has better fluidity and is inserted into a layered structure formed by dispersing the glass flakes and the mica powder, so that the addition of the glass flakes and the mica powder is helpful to provide more isotropic dispersion, the stacking of each layer of the structure is tighter, the length-diameter ratio of the size of a dispersed phase is increased, meanwhile, the added polyvinylpyrrolidone can well improve the interface bonding force of the flat glass fiber, the glass flakes and the mica powder with the resin, improve the dispersibility of the three components in the PPS resin, realize uniform dispersion, and is favorable for forming a barrier secondary continuous phase with larger size, so that the material has an approximate two-phase continuous phase structure which takes the PPS resin as a main continuous phase and takes the flat glass fiber, the glass flakes and the mica powder as a secondary continuous phase, the complexity of a water vapor transmission path is greatly increased, and the water vapor transmission rate of the material is effectively reduced, meanwhile, the material can keep higher mechanical strength.
Preferably, the weight ratio of the flat glass fiber to the glass flake to the mica powder is (1-3): (0.5-2): 1; more preferably, the weight ratio of the flat glass fibers, the glass flakes and the mica powder is (1.5-2.5): (1-1.5): 1.
preferably, the flat glass fiber has a cross-sectional length of 20 to 40 μm and a width of 5 to 10 μm; more preferably, the flat glass fiber has a cross-sectional length of 30 to 35 μm and a width of 6 to 8 μm.
Preferably, the average particle size of the glass flake is 100-400 meshes; more preferably, the average particle size of the glass flake is 200-300 meshes.
Preferably, the average particle size of the mica powder is 300-600 meshes; more preferably, the average particle size of the mica powder is 400-500 meshes.
The polyvinylpyrrolidone of the invention has the number average molecular weight of 300000-400000; preferably, the polyvinylpyrrolidone has a number average molecular weight of 350000-370000.
The PPS resin is selected from at least one of linear polyphenylene sulfide resin or crosslinking type polyphenylene sulfide resin.
The invention also provides a preparation method of the polyphenylene sulfide composition, which comprises the following steps:
according to the proportion, putting the components except the flat glass fiber into a high-speed mixer, uniformly mixing, then adding into a double-screw extruder, feeding the flat glass fiber in a side feeding manner, and carrying out extrusion granulation to obtain the polyphenylene sulfide composition; wherein the extrusion temperature is 190 ℃ and 285 ℃, and the screw rotating speed is 350 ℃ and 450 revolutions per minute.
The invention also provides application of the polyphenylene sulfide composition in the field of water treatment or automobile water pumps.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, flat glass fiber, glass flake and mica powder in a certain weight ratio are added into PPS resin, and appropriate polyvinylpyrrolidone is added, so that an approximate two-phase continuous phase structure which takes the PPS resin as a main continuous phase and takes the flat glass fiber, the glass flake and the mica powder as a barrier secondary continuous phase is formed, the complexity of a water vapor transmission path is greatly increased, the water vapor transmission rate of the material is effectively reduced, the material can keep higher mechanical strength, the prepared polyphenylene sulfide composition has excellent water vapor barrier property and high mechanical property, the use requirements of the fields of water treatment, automobile water pumps and the like on the material can be met, and the application of the polyphenylene sulfide material is further widened.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way.
The raw materials used in the examples and comparative examples of the present invention are described below, but are not limited to these materials:
PPS resin 1: crosslinked polyphenylene sulfide resin, the trademark PPS 1150C, Zhejiang Xinhe specialty materials Co., Ltd;
PPS resin 2: crosslinked polyphenylene sulfide resin, with the designation PPS 21150C, Xinjiang Xinhe specialty materials, Inc.;
flat glass fiber 1: the cross section is 22 μm long and 10 μm wide; t346, Mount Taishan glass fiber Co., Ltd;
flat glass fiber 2: the cross section length is 30 μm and the width is 7 μm; t349, Mount Taishan fiberglass Co., Ltd;
flat glass fiber 3: the cross section length is 17 μm and the width is 3 μm; t347, Mount Taishan fiberglass Co., Ltd;
ordinary glass fiber: e7CS10-03-584H, Jushi group;
glass flake 1: average particle size of 150 mesh, HF-150, environmental protection technologies of Jiangsu Anxin Co., Ltd
Glass flake 2: average particle size of 250 mesh, HF-250, environmental protection science and technology Limited, Jiangsu Anxin
Glass flakes 3: average particle size of 500 mesh, HF-500, environmental protection technologies of Jiangsu Anxin Co., Ltd
1, mica powder: average particle diameter of 600 mesh, mica powder of 600 mesh, Asahi mineral Co., Ltd
2, mica powder: average particle size of 450 mesh, mica powder of 450 mesh, Asahi mineral Co., Ltd
Mica powder 3: average particle size of 1000 mesh, mica powder of 1000 mesh, Asahi mineral Co., Ltd
Polyvinylpyrrolidone 1: number average molecular weight of 320000, PVP K601, guangzhou changtian chemical limited;
polyvinylpyrrolidone 2: number average molecular weight of 360000, PVP K602, guangzhou logistics chemical limited;
polyvinylpyrrolidone 3: number average molecular weight of 100000, PVP K30, guangzhou logistics chemical limited;
preparation of examples and comparative examples:
according to the mixture ratio of table 1/table 2, putting the components except the flat glass fiber into a high-speed mixer, uniformly mixing, then adding into a double-screw extruder, laterally feeding the flat glass fiber, and performing extrusion granulation to obtain the polyphenylene sulfide composition; wherein the extrusion temperature is 190 ℃ in the first zone, 270 ℃ in the second zone, 280 ℃ in the third zone, 285 ℃ in the fourth zone, 285 ℃ in the fifth zone, 285 ℃ in the sixth zone, 280 ℃ in the seventh zone, 280 ℃ in the eighth zone and 280 ℃ in the ninth zone; the screw speed was 400 rpm.
The related performance test method comprises the following steps:
(1) water vapor transmission rate: the test was carried out with reference to the standard GB/T1037-1988;
(2) tensile strength: the test is carried out with reference to standard ISO 527-1-2012;
table 1: the proportions (in parts by weight) of the components of examples 1 to 8 and the results of the associated performance tests
Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Example 8
PPS resin 1 100 100 100 100 80 100
PPS resin 2 100 90
Flat glass fiber 1 30 30 20 30 20 30 30 25
Glass flakes 1 20 10 20 15 10 20 10 15
Mica powder 1 10 20 20 15 20 20 15 10
Polyvinylpyrrolidone 1 0.6 0.6 0.6 0.6 0.8 1 0.6 0.5
Tensile Strength (MPa) 155 154 148 156 150 160 158 156
Water vapor transmission rate (mg/m)2/day） 33 32 35 28 31 30 32 30
Table 2: the proportions (in parts by weight) of the components and the associated performance test results for examples 9-17
Example 9 Example 10 Example 11 Example 12 Example 13 Example 14 Example 15 Example 16 Example 17
PPS resin 1 100 100 100 100 100 100 100 100 100
Flat glass fiber 1 30 30 30 30 30 30
Flat glass fiber 2 30 30
Flat glass fiber 3 30
Glass flakes 1 20 20 20 20 20 20
Glass flakes 2 20 20
Glass flakes 3 20
Mica powder 1 10 10 10 10 10 10
Mica powder 2 10 10
Mica powder 3 10
Polyvinylpyrrolidone 1 0.6 0.6 0.6 0.6 0.6 0.6
Polyvinylpyrrolidone 2 0.6 0.6
Polyvinylpyrrolidone 3 0.6
Tensile Strength (MPa) 156 154 155 157 158 156 157 155 158
Water vapor transmission rate (mg/m)2/day） 26 63 27 65 26 69 25 54 22
Table 4: comparative examples 1 to 8, the proportions (in parts by weight) of the components and the results of the relevant Performance tests
Comparative example 1 Comparative example 2 Comparative example 3 Comparative example 4 Comparative example 5 Comparative example 6 Comparative example 7 Comparative example 8
PPS resin 1 100 100 100 100 100 100 100 100
Flat glass fiber 1 / 30 30 60 30
Ordinary glass fiber 30
Glass flakes 1 20 / 20 60 20 20
Mica powder 1 10 10 / 60 10 10
Polyvinylpyrrolidone 1 0.6 0.6 0.6 0.6 0.6 0.6 / 0.6
Tensile Strength (MPa) 76 157 145 100 74 66 83 153
Water vapor transmission rate (mg/m)2/day） 349 376 428 435 280 397 205 369
As can be seen from the above examples and comparative examples, the polyphenylene sulfide composition prepared by adding flat glass fibers, glass flakes and mica powder in a certain weight ratio into PPS resin and adding appropriate polyvinylpyrrolidone has low water vapor transmission rate, maintains higher tensile strength, and has excellent water vapor barrier property and high mechanical property.
Comparative example 1/2/3/7 compared to example 1, the material had a water vapor transmission rate as high as 300mg/m2/day or higher without the addition of flat glass fibers and had low tensile strength; glass flakes or mica powder are not added, and the material can keep better mechanical property, but has high water vapor transmission rate and poor water vapor barrier property; polyvinylpyrrolidone is not added, the water vapor transmission rate of the material is higher, and the tensile strength is low.
Comparative example 4/5/6, the addition of a component of the flat glass fiber/glass flake/mica powder alone did not improve the water vapor barrier properties of the material well and had poor mechanical properties.
Compared with the comparative example 8, the common glass fiber is used to replace the flat glass fiber, and the water vapor barrier property of the material is not well improved.

Claims (9)

1. The polyphenylene sulfide composition is characterized by comprising the following components in parts by weight:
80-100 parts of PPS resin;
20-30 parts of flat glass fiber;
10-20 parts of glass flakes;
10-20 parts of mica powder;
0.5-1 part of polyvinylpyrrolidone.
2. The polyphenylene sulfide composition of claim 1, wherein the weight ratio of the flat glass fibers, the glass flakes and the mica powder is (1-3): (0.5-2): 1; preferably, the weight ratio of the flat glass fiber, the glass flake and the mica powder is (1.5-2.5): (1-1.5): 1.
3. the polyphenylene sulfide composition of claim 1, wherein the flat glass fibers have a cross-sectional length of 20-40 μ ι η and a width of 5-10 μ ι η; preferably, the flat glass fiber has a cross-sectional length of 30 to 35 μm and a width of 6 to 8 μm.
4. The polyphenylene sulfide composition of claim 1, wherein the average particle size of the glass flakes is 100-400 mesh; preferably, the average particle size of the glass flake is 200-300 meshes.
5. The polyphenylene sulfide composition as claimed in claim 1, wherein the mica powder has an average particle size of 300-600 mesh; preferably, the average particle size of the mica powder is 400-500 meshes.
6. The polyphenylene sulfide composition of claim 1, wherein the polyvinylpyrrolidone has a number average molecular weight of 300000-400000; preferably, the polyvinylpyrrolidone has a number average molecular weight of 350000-370000.
7. The polyphenylene sulfide composition according to claim 1, wherein the PPS resin is at least one selected from a linear polyphenylene sulfide resin and a crosslinked polyphenylene sulfide resin.
8. The method of preparing the polyphenylene sulfide composition of any of claims 1-7, comprising the steps of:
according to the proportion, putting the components except the flat glass fiber into a high-speed mixer, uniformly mixing, then adding into a double-screw extruder, feeding the flat glass fiber in a side feeding manner, and carrying out extrusion granulation to obtain the polyphenylene sulfide composition; wherein the extrusion temperature is 190 ℃ and 285 ℃, and the screw rotating speed is 350 ℃ and 450 revolutions per minute.
9. Use of the polyphenylene sulfide composition according to any of claims 1-7 in water treatment or automotive water pump applications.
CN202111272753.4A 2021-10-29 2021-10-29 Polyphenylene sulfide composition and preparation method and application thereof Active CN113980466B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010015091A (en) * 2008-07-07 2010-01-21 Teijin Chem Ltd Lens barrel made of glass fiber reinforced resin composition
CN102250450A (en) * 2011-07-14 2011-11-23 金发科技股份有限公司 Flame-retardant polyester material with high glow wire ignition temperature and preparation method thereof
JP2012007120A (en) * 2010-06-28 2012-01-12 Toray Ind Inc Method of manufacturing thermoplastic resin molded article, and the molded article
JP2013064129A (en) * 2011-09-01 2013-04-11 Asahi Kasei Chemicals Corp Resin composition
JP2018065965A (en) * 2016-10-21 2018-04-26 Dic株式会社 Polyarylene sulfide resin composition, molded article and production method
JP2018100364A (en) * 2016-12-21 2018-06-28 Dic株式会社 Polyarylene sulfide resin composition, molded article and method for producing the same
JP2018199250A (en) * 2017-05-26 2018-12-20 Dic株式会社 Polyarylene sulfide resin composition, molded product, metal/resin composite structure and production method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010015091A (en) * 2008-07-07 2010-01-21 Teijin Chem Ltd Lens barrel made of glass fiber reinforced resin composition
JP2012007120A (en) * 2010-06-28 2012-01-12 Toray Ind Inc Method of manufacturing thermoplastic resin molded article, and the molded article
CN102250450A (en) * 2011-07-14 2011-11-23 金发科技股份有限公司 Flame-retardant polyester material with high glow wire ignition temperature and preparation method thereof
JP2013064129A (en) * 2011-09-01 2013-04-11 Asahi Kasei Chemicals Corp Resin composition
JP2018065965A (en) * 2016-10-21 2018-04-26 Dic株式会社 Polyarylene sulfide resin composition, molded article and production method
JP2018100364A (en) * 2016-12-21 2018-06-28 Dic株式会社 Polyarylene sulfide resin composition, molded article and method for producing the same
JP2018199250A (en) * 2017-05-26 2018-12-20 Dic株式会社 Polyarylene sulfide resin composition, molded product, metal/resin composite structure and production method

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