CN108424556A - A kind of modified powder nitrile rubber and its application - Google Patents
A kind of modified powder nitrile rubber and its application Download PDFInfo
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- CN108424556A CN108424556A CN201810341505.2A CN201810341505A CN108424556A CN 108424556 A CN108424556 A CN 108424556A CN 201810341505 A CN201810341505 A CN 201810341505A CN 108424556 A CN108424556 A CN 108424556A
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- nitrile rubber
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- 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
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
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- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of modified powder nitrile rubber and its application, the modified powder nitrile rubber is composed of the following components, by weight：Half 60 70 parts of cross-linked powder nitrile rubber, 10 20 parts of full cross-linked powder nitrile rubber, 10 30 parts of terephthalic acid (TPA) calcium.The processing step of the preparation method of the modified powder nitrile rubber is：Terephthalic acid (TPA) calcium is heated to 50 60 DEG C in the high-speed mixer and mixing for having heating function, after full cross-linked powder nitrile rubber mixing 5min is added, adds half cross-linked powder nitrile rubber, 3 5min of mixing to get.The modified powder nitrile rubber of the present invention can be used for preparing interior trim window profile shapes, be uniformly dispersed in product, can not only improve the toughness of product, while rigidity and heat resistance have also obtained good holding.
Description
Technical field
The invention belongs to polymeric material field, it is related to a kind of modified powder nitrile rubber and its application.
Background technology
Hard PVC（PVC-U）It is mainly used in three construction material, electronic apparatus and packaging fields.It has
The advantages that light weight, manufacturing cost be low, construction and maintaining facilitate.But hard PVC is fragile material, toughness
Difference, the defects of heat resistance is low and thermal stability is poor greatly limit its further development and apply.The toughening of PVC-U is changed
Property, form the route and method of a series of maturations, such as copolymerization and blending, the wherein application of Blending Toughening Modification method most
More, powder nitrile rubber is the significant modified material of a toughening effect.
However, although powder nitrile rubber can improve the low of the shock resistance of hard PVC, elongation at break and product
Warm nature energy, but with the raising of blend impact flexibility, but there is different degrees of decline in the rigidity and heat resistance of material,
New defect is brought to product again.Thus, research and development are a can to improve toughness of material, while can improve material stiffness and resistance to again
The multi-functional toughening material of hot property has become a top priority.
Invention content
Technical problem to be solved by the invention is to provide a kind of modified powder nitrile rubbers, in PVC-U material of main parts
In can be evenly dispersed, and the PVC-U products that are prepared not only have good toughness, while rigidity and heat resistance are also
Good holding is arrived.
To achieve the goals above, the present invention is achieved through the following technical solutions：A kind of modified powder butyronitrile of the present invention
Rubber, the modified powder nitrile rubber is composed of the following components, by weight：
Half cross-linked powder nitrile rubber（Grain size：D90=400-600 microns）60-70 parts
Full cross-linked powder nitrile rubber（Grain size：D90=20-30 microns）10-20 parts
Terephthalic acid (TPA) calcium（Grain size：D90=8-10 microns）10-30 parts
The preparation method of modified powder nitrile rubber of the present invention, processing step are：By terephthalic acid (TPA) calcium having plus
The high-speed mixer and mixing of hot function is heated to 50-60 DEG C, after full cross-linked powder nitrile rubber mixing 5min is added, adds half friendship
Join powder nitrile rubber, mixing 3-5min to get.
Modified powder nitrile rubber of the present invention can be used for preparing interior trim window profile shapes as toughener.It is specific
Formula is：PVC（5 types）100 parts, 10 parts of calcium carbonate, 5 parts of CPE, 6 parts of modified powder nitrile rubber, processing aid 1.5
Part, 5 parts of stabilizer, 0.5 part of stearic acid.
Advantageous effect：The modified powder nitrile rubber of gained of the invention is compared with conventional powder nitrile rubber, in polychlorostyrene
Can be evenly dispersed in ethylene material of main part, good toughness is not only obtained through its modified hard polrvinyl chloride product,
Especially low-temperature flexibility is promoted notable, while rigidity and heat resistance have also obtained good holding, and product be illuminated by the light it is not variable
Color.
Description of the drawings
The atomic force microscope images of Fig. 1 sections that are the print that is prepared of embodiment 1 after crisp section of low temperature.
Specific implementation mode
It further illustrates the present invention by the following examples.It should be understood that these embodiments are the explainations of the present invention
And citing, it does not limit the scope of the invention in any form.
Embodiment 1
A kind of modified powder nitrile rubber of the present invention, the modified powder nitrile rubber is composed of the following components, by weight
Meter：
Half cross-linked powder nitrile rubber（Grain size：D90=400-600 microns）60 parts
Full cross-linked powder nitrile rubber（Grain size：D90=20-30 microns）10 parts
Terephthalic acid (TPA) calcium（Grain size：D90=8-10 microns）30 parts
The preparation method of modified powder nitrile rubber of the present invention, processing step are：By terephthalic acid (TPA) calcium having plus
The high-speed mixer and mixing of hot function is heated to 50 DEG C, after full cross-linked powder nitrile rubber mixing 5min is added, adds half crosslinking
Powder nitrile rubber, mixing 5min to get.
Embodiment 2
A kind of modified powder nitrile rubber of the present invention, the modified powder nitrile rubber is composed of the following components, by weight
Meter：
Half cross-linked powder nitrile rubber（Grain size：D90=400-600 microns）70 parts
Full cross-linked powder nitrile rubber（Grain size：D90=20-30 microns）20 parts
Terephthalic acid (TPA) calcium（Grain size：D90=8-10 microns）10 parts
The preparation method of modified powder nitrile rubber of the present invention, processing step are：By terephthalic acid (TPA) calcium having plus
The high-speed mixer and mixing of hot function is heated to 60 DEG C, after full cross-linked powder nitrile rubber mixing 5min is added, adds half crosslinking
Powder nitrile rubber, mixing 3min to get.
Embodiment 3
A kind of modified powder nitrile rubber of the present invention, the modified powder nitrile rubber is composed of the following components, by weight
Meter：
Half cross-linked powder nitrile rubber（Grain size：D90=400-600 microns）65 parts
Full cross-linked powder nitrile rubber（Grain size：D90=20-30 microns）15 parts
Terephthalic acid (TPA) calcium（Grain size：D90=8-10 microns）20 parts
The preparation method of modified powder nitrile rubber of the present invention, processing step are：By terephthalic acid (TPA) calcium having plus
The high-speed mixer and mixing of hot function is heated to 55 DEG C, after full cross-linked powder nitrile rubber mixing 5min is added, adds half crosslinking
Powder nitrile rubber, mixing 4min to get.
Comparative example 1
Comparative example 1 and embodiment 1 difference lies in：
The preparation method of modified powder nitrile rubber described in comparative example 1, processing step are：Terephthalic acid (TPA) calcium, half are handed over
Connection powder nitrile rubber and full cross-linked powder nitrile rubber are added simultaneously has the high-speed mixer and mixing of heating function to be heated to 50 DEG C,
Be further continued for mixing 10min to get.
Comparative example 2
Comparative example 2 and embodiment 1 difference lies in：
Modified powder nitrile rubber described in comparative example 2 is composed of the following components, by weight：
Half cross-linked powder nitrile rubber（Grain size：D90=400-600 microns）70 parts
Terephthalic acid (TPA) calcium（Grain size：D90=8-10 microns）30 parts
The preparation method of modified powder nitrile rubber described in comparative example 2, processing step are：By terephthalic acid (TPA) calcium having plus
The high-speed mixer and mixing of hot function is heated to 50 DEG C, is added half cross-linked powder nitrile rubber, mixing 5min to get.
Comparative example 3
Comparative example 3 and embodiment 1 difference lies in：
Modified powder nitrile rubber described in comparative example 3 is composed of the following components, by weight：
Half cross-linked powder nitrile rubber（Grain size：D90=400-600 microns）90 parts
Full cross-linked powder nitrile rubber（Grain size：D90=20-30 microns）10 parts
The preparation method of modified powder nitrile rubber described in comparative example 3, processing step are：By full cross-linked powder nitrile rubber
Be heated to 50 DEG C in the high-speed mixer and mixing for having heating function, be added half cross-linked powder nitrile rubber, mixing 5min to get.
Performance test：
Various types of powder nitrile rubber are applied in interior trim special shaped window material formula, formula used is：PVC（5 types） 100
Part, 10 parts of calcium carbonate, 5 parts of CPE, modified powder nitrile rubber（Become kind：Respectively embodiment 1, comparative example 1, comparative example 2,
Comparative example 3 and unmodified pure half cross-linked powder nitrile rubber）6 parts, 1.5 parts of processing aid, 5 parts of stabilizer, stearic acid
0.5 part.
It by the auxiliary materials auxiliary agent such as polyvinyl chloride resin and processing aid, weighs, mix by formula rate requirement, high-speed mixer is added
In, mixing machine mixing speed is risen into high speed by low speed；When mixed material temperature is gradually increased to 100 DEG C, calcium carbonate is added；When
When mixed material temperature rises to 100 DEG C once again, continues discharging after stirring 30 s and cool down；It is cooled to 40-50 DEG C, powdered nitrile rubber is added
Rubber mix is uniform, stores for future use.
PVC mixed powders obtained, are plasticated in flakes with open mill；Again a set pattern is pressed into the cold and hot press that is used in conjunction
The test sample of lattice after standard sample of photo is made, tests mechanics and other performances.It is tested by national standard, gained performance is such as
Shown in table 1.
Table 1
The comparison of data can be seen that from table：The modified powder nitrile rubber of gained of the invention can improve Hard PVC
Toughness of the product under room temperature and low temperature, while the rigidity of product, heat resistance have also obtained good holding.
The atomic force microscope images of Fig. 1 sections that are the print that is prepared of embodiment 1 after crisp section of low temperature, it can be seen that
Modified powder nitrile rubber can be more uniformly dispersed.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, the present invention
Claimed range is delineated by the appended claims, the specification and equivalents thereof from the appended claims.
Claims (3)
1. kind of modified powder nitrile rubber, it is characterised in that：The modified powder nitrile rubber is composed of the following components, by weight
Part meter：
Half cross-linked powder nitrile rubber（Grain size：D90=400-600 microns）60-70 parts,
Full cross-linked powder nitrile rubber（Grain size：D90=20-30 microns）10-20 parts,
Terephthalic acid (TPA) calcium（Grain size：D90=8-10 microns）10-30 parts.
2. the method for preparing modified powder nitrile rubber described in claim 1, it is characterised in that：Its processing step is：It will be right
Phthalic acid calcium is heated to 50-60 DEG C in the high-speed mixer and mixing for having heating function, and full cross-linked powder nitrile rubber mixing is added
After 5min, add half cross-linked powder nitrile rubber, mixing 3-5min to get.
3. the application of modified powder nitrile rubber described in claim 1, it is characterised in that：The modified powder nitrile rubber can
It is used to prepare interior trim window profile shapes as toughener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341505.2A CN108424556B (en) | 2018-04-17 | 2018-04-17 | Modified powder nitrile rubber and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810341505.2A CN108424556B (en) | 2018-04-17 | 2018-04-17 | Modified powder nitrile rubber and application thereof |
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| Publication Number | Publication Date |
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| CN108424556A true CN108424556A (en) | 2018-08-21 |
| CN108424556B CN108424556B (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810341505.2A Active CN108424556B (en) | 2018-04-17 | 2018-04-17 | Modified powder nitrile rubber and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903575A (en) * | 2019-12-20 | 2020-03-24 | 常州市五洲环保科技有限公司 | Preparation method of high-rigidity toughening material for PVC |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980574A (en) * | 2014-06-05 | 2014-08-13 | 常州市五洲化工有限公司 | Modified nitrile-butadiene rubber (NBR) and preparation method thereof |
| CN104774400A (en) * | 2015-03-04 | 2015-07-15 | 宁波泰甬汽车零部件有限公司 | PVC pellet composition with low compression set, and preparation method and application thereof |
-
2018
- 2018-04-17 CN CN201810341505.2A patent/CN108424556B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980574A (en) * | 2014-06-05 | 2014-08-13 | 常州市五洲化工有限公司 | Modified nitrile-butadiene rubber (NBR) and preparation method thereof |
| CN104774400A (en) * | 2015-03-04 | 2015-07-15 | 宁波泰甬汽车零部件有限公司 | PVC pellet composition with low compression set, and preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 康永锋: ""鞋底料用粉末丁腈橡胶改性PVC"", 《合成橡胶工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110903575A (en) * | 2019-12-20 | 2020-03-24 | 常州市五洲环保科技有限公司 | Preparation method of high-rigidity toughening material for PVC |
| CN110903575B (en) * | 2019-12-20 | 2021-07-09 | 常州市五洲环保科技有限公司 | Preparation method of high-rigidity toughening material for PVC |
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| CN108424556B (en) | 2021-03-09 |
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