CN110746735B - Soft mould material for Chinese ancient building cement product - Google Patents
Soft mould material for Chinese ancient building cement product Download PDFInfo
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- CN110746735B CN110746735B CN201911202067.2A CN201911202067A CN110746735B CN 110746735 B CN110746735 B CN 110746735B CN 201911202067 A CN201911202067 A CN 201911202067A CN 110746735 B CN110746735 B CN 110746735B
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a soft mould material for Chinese ancient building cement products, which is prepared from the following raw materials in parts by weight: 80-90 parts of thermoplastic elastomer, 15-20 parts of phenylene ether silicone rubber, 4-7 parts of basalt fiber, 3-5 parts of silicon dioxide, 4-6 parts of dispersing agent, 4-5 parts of antioxidant and 3-4.5 parts of heat stabilizer. The soft mould material for the Chinese ancient building cement product has high tearing strength, high tensile strength, high strength, good mechanical property and durability; and the elastic resilience is good, so that the material is a better substitute material for a soft mould for Chinese ancient cement products.
Description
Technical Field
The invention relates to the field of high polymer materials, in particular to a soft mold material for Chinese ancient cement products.
Background
Along with the popularization of Chinese style buildings in China, the requirements on the die required by cement products of prefabricated Chinese style ancient buildings are higher and higher, and the demand is more and more. For products which are generally more complex and have high shape requirements, most of the silicon gel molds are used in the market at present. Although the silica gel mould can also be called as a soft mould, the relative manufacture is more complex, because the process is manual pouring (the silica gel raw material is blocky) after being heated and melted, the size requirement is difficult to be made accurately, the speed is slow, no benefit is realized, and a product with the general length of 50 centimeters can only be finished by 2 to 3 persons one day. Because the material is soft, an outer mold is required to be fixed, and the traditional process is to attach a glass fiber reinforced plastic mold outside a silica gel mold for fixing. The current commonly used process has the defects of low speed, no benefit due to pure manual operation, difficulty in controlling the shape and the size, and the biggest defect that the resin raw material for manufacturing the glass reinforced plastic mould has certain smell and cannot meet the environmental protection requirement.
Based on the situation, the invention provides a soft mould material for Chinese ancient cement products, which can effectively solve the problems.
Disclosure of Invention
The invention aims to provide a soft mould material for Chinese ancient cement products. The soft mould material for the Chinese ancient building cement product is prepared by selecting raw materials, optimizing the content of each raw material and selecting the thermoplastic elastomer, the phenylene ether silicon rubber, the nylon 1212 resin, the basalt fiber and the silicon dioxide in proper proportion, so that the advantages of the soft mould material are fully exerted, the soft mould material is mutually supplemented and mutually promoted, and the prepared soft mould material for the Chinese ancient building cement product has high tearing strength, high tensile strength, high mechanical property and durability; and the elastic resilience is good, so that the material is a better substitute material for a soft mould for Chinese ancient cement products.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a soft mould material for Chinese ancient building cement products is prepared from the following raw materials in parts by weight:
80-90 parts of thermoplastic elastomer,
15-20 parts of phenylene ether silicone rubber,
4-7 parts of basalt fiber,
3-5 parts of silicon dioxide,
4-6 parts of a dispersant,
4-5 parts of antioxidant,
3-4.5 parts of a heat stabilizer.
The soft mould material for the Chinese ancient building cement product is prepared by selecting raw materials, optimizing the content of each raw material and selecting the thermoplastic elastomer, the phenylene ether silicon rubber, the nylon 1212 resin, the basalt fiber and the silicon dioxide in proper proportion, so that the advantages of the soft mould material are fully exerted, the soft mould material is mutually supplemented and mutually promoted, and the prepared soft mould material for the Chinese ancient building cement product has high tearing strength, high tensile strength, high mechanical property and durability; and the elastic resilience is good, so that the material is a better substitute material for a soft mould for Chinese ancient cement products.
The soft mould material for the Chinese ancient building cement product is added with a thermoplastic elastomer (preferably, the thermoplastic elastomer is a mixture of a styrene thermoplastic elastomer and a thermoplastic polyurethane rubber, the mass ratio of the thermoplastic elastomer to the thermoplastic polyurethane rubber is 1: 0.4-0.6. preferably, the styrene thermoplastic elastomer is any one or more of a styrene-butadiene-styrene block copolymer, a styrene-isoprene-styrene block copolymer and a styrene-ethylene-butylene-styrene block copolymer) as a main matrix material, and the material has the characteristics of high strength, high resilience, injection molding processing, wide application range, environmental protection, no toxicity and safety and excellent colorability;
the addition of a proper amount of phenylene ether silicone rubber can obviously improve the tearing strength of the soft mould material for the Chinese ancient building cement product, the tensile strength and the like, further improve the mechanical property, improve the durability and prolong the service life; and has good rebound resilience;
the addition of a proper amount of nylon 1212 resin further improves the tensile strength and the like of the soft mould material for the Chinese ancient building cement product, further improves the mechanical property, can greatly improve the wear resistance, improves the durability and prolongs the service life;
proper amount of basalt fiber and silicon dioxide are added and matched with other components to play a good synergistic role, so that the tensile strength and the like of the soft mould material for the Chinese ancient building cement product are obviously improved, and good mechanical properties are ensured.
Preferably, the soft mould material for the Chinese ancient building cement product is prepared from the following raw materials in parts by weight:
85 parts of thermoplastic elastomer,
17.5 parts of phenylate phenylene silicon rubber,
12-16 parts of nylon 1212 resin,
5.5 parts of basalt fiber,
4 parts of silicon dioxide,
5 parts of a dispersing agent,
4.5 portions of antioxidant,
3.9 parts of a heat stabilizer.
Preferably, the thermoplastic elastomer is a mixture of a styrene thermoplastic elastomer and a thermoplastic polyurethane rubber, and the mass ratio of the styrene thermoplastic elastomer to the thermoplastic polyurethane rubber is 1: 0.4 to 0.6.
Preferably, the thermoplastic elastomer is a mixture of a styrene thermoplastic elastomer and a thermoplastic polyurethane rubber, and the mass ratio of the styrene thermoplastic elastomer to the thermoplastic polyurethane rubber is 1: 0.5.
preferably, the styrenic thermoplastic elastomer is any one or more of a styrene-butadiene-styrene block copolymer, a styrene-isoprene-styrene block copolymer, and a styrene-ethylene-butylene-styrene block copolymer.
Preferably, the dispersant is a styrene-maleic anhydride copolymer.
Preferably, the content of the maleic anhydride in the styrene-maleic anhydride copolymer is 27-32%.
The dispersant has good dispersion compatibility with the raw materials of the soft mould material for the Chinese ancient building cement product, so that the raw materials of the soft mould material for the Chinese ancient building cement product are easier to mix uniformly, and the prepared soft mould material for the Chinese ancient building cement product has high tearing strength, high tensile strength, high strength, good mechanical property and durability; and the elastic resilience is good, so that the material is a better substitute material for a soft mould for Chinese ancient cement products.
Preferably, the silica is fumed silica.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the soft mould material for the Chinese ancient building cement product is prepared by selecting raw materials, optimizing the content of each raw material and selecting the thermoplastic elastomer, the phenylene ether silicon rubber, the nylon 1212 resin, the basalt fiber and the silicon dioxide in proper proportion, so that the advantages of the soft mould material are fully exerted, the soft mould material is mutually supplemented and mutually promoted, and the prepared soft mould material for the Chinese ancient building cement product has high tearing strength, high tensile strength, high mechanical property and durability; and the elastic resilience is good, so that the material is a better substitute material for a soft mould for Chinese ancient cement products.
The soft mould material for the Chinese ancient building cement product is added with a thermoplastic elastomer (preferably, the thermoplastic elastomer is a mixture of a styrene thermoplastic elastomer and a thermoplastic polyurethane rubber, the mass ratio of the thermoplastic elastomer to the thermoplastic polyurethane rubber is 1: 0.4-0.6. preferably, the styrene thermoplastic elastomer is any one or more of a styrene-butadiene-styrene block copolymer, a styrene-isoprene-styrene block copolymer and a styrene-ethylene-butylene-styrene block copolymer) as a main matrix material, and the material has the characteristics of high strength, high resilience, injection molding processing, wide application range, environmental protection, no toxicity and safety and excellent colorability;
after a proper amount of phenylene ether silicone rubber is added, the tearing strength of the soft mould material for the Chinese ancient building cement product can be obviously improved, the tensile strength and the like can be improved, the mechanical property can be further improved, the durability can be improved, and the service life can be prolonged; and has good rebound resilience;
the nylon 1212 resin with a proper amount is added, the nylon 1212 resin has a long molecular chain, is relatively soft and has a low water absorption rate, the tensile strength and the like of the soft mould material for the Chinese ancient cement product are further improved, the mechanical property is further improved, the wear resistance can be greatly improved, the durability is improved, and the service life is prolonged;
proper amount of basalt fiber and silicon dioxide are added and matched with other components to play a good synergistic role, so that the soft mould material for the Chinese ancient building cement product obviously improves the tensile strength and the like of the soft mould material for the Chinese ancient building cement product, and ensures good mechanical properties.
The preparation method has simple process and simple and convenient operation, and saves manpower and equipment cost.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in connection with specific examples, which should not be construed as limiting the present patent.
Example 1:
a soft mould material for Chinese ancient building cement products is prepared from the following raw materials in parts by weight:
80-90 parts of thermoplastic elastomer,
15-20 parts of phenylate phenylene silicone rubber,
4-7 parts of basalt fiber,
3-5 parts of silicon dioxide,
4-6 parts of a dispersant,
4-5 parts of antioxidant,
3-4.5 parts of a heat stabilizer.
Preferably, the soft mould material for the Chinese ancient building cement product is prepared from the following raw materials in parts by weight:
85 parts of thermoplastic elastomer,
17.5 parts of phenylate phenylene silicon rubber,
12-16 parts of nylon 1212 resin,
5.5 parts of basalt fiber,
4 parts of silicon dioxide,
5 parts of a dispersing agent,
4.5 parts of antioxidant,
3.9 parts of a heat stabilizer.
Preferably, the thermoplastic elastomer is a mixture of a styrene thermoplastic elastomer and a thermoplastic polyurethane rubber, and the mass ratio of the styrene thermoplastic elastomer to the thermoplastic polyurethane rubber is 1: 0.4 to 0.6.
Preferably, the thermoplastic elastomer is a mixture of a styrene thermoplastic elastomer and a thermoplastic polyurethane rubber, and the mass ratio of the styrene thermoplastic elastomer to the thermoplastic polyurethane rubber is 1: 0.5.
preferably, the styrenic thermoplastic elastomer is any one or more of a styrene-butadiene-styrene block copolymer, a styrene-isoprene-styrene block copolymer, and a styrene-ethylene-butylene-styrene block copolymer.
Preferably, the dispersant is a styrene-maleic anhydride copolymer.
Preferably, the content of the maleic anhydride in the styrene-maleic anhydride copolymer is 27-32%.
Preferably, the silica is fumed silica.
Example 2:
a soft mould material for Chinese ancient building cement products is prepared from the following raw materials in parts by weight:
80 parts of thermoplastic elastomer,
15 parts of phenylate phenylene silicone rubber,
4 portions of basalt fiber,
3 parts of silicon dioxide,
4 parts of a dispersant,
4 portions of antioxidant,
And 3 parts of a heat stabilizer.
In this embodiment, the thermoplastic elastomer is a mixture of a styrene-based thermoplastic elastomer and a thermoplastic polyurethane rubber, and the mass ratio of the styrene-based thermoplastic elastomer to the thermoplastic polyurethane rubber is 1: 0.4.
in this example, the styrenic thermoplastic elastomer is a styrene-butadiene-styrene block copolymer.
In this example, the dispersant is a styrene-maleic anhydride copolymer.
In this example, the styrene-maleic anhydride copolymer had a maleic anhydride content of 27%.
In this embodiment, the silica is fumed silica.
Example 3:
a soft mould material for Chinese ancient building cement products is prepared from the following raw materials in parts by weight:
90 parts of thermoplastic elastomer,
20 parts of phenylate phenylene silicon rubber,
7 parts of basalt fiber,
5 parts of silicon dioxide,
6 parts of a dispersing agent,
5 parts of antioxidant,
4.5 parts of a heat stabilizer.
In this embodiment, the thermoplastic elastomer is a mixture of a styrene-based thermoplastic elastomer and a thermoplastic polyurethane rubber, and the mass ratio of the two is 1: 0.6.
in this embodiment, the styrenic thermoplastic elastomer is any one or more of a styrene-butadiene-styrene block copolymer, a styrene-isoprene-styrene block copolymer, and a styrene-ethylene-butylene-styrene block copolymer.
In this example, the dispersant is a styrene-maleic anhydride copolymer.
In this example, the styrene-maleic anhydride copolymer had a maleic anhydride content of 32%.
In this embodiment, the silica is fumed silica.
Example 4:
a soft mould material for Chinese ancient building cement products is prepared from the following raw materials in parts by weight:
85 parts of thermoplastic elastomer,
17.5 parts of phenylene silicon rubber,
12-16 parts of nylon 1212 resin,
5.5 parts of basalt fiber,
4 parts of silicon dioxide,
5 portions of dispersant,
4.5 parts of antioxidant,
3.9 parts of a heat stabilizer.
In this embodiment, the thermoplastic elastomer is a mixture of a styrene-based thermoplastic elastomer and a thermoplastic polyurethane rubber, and the mass ratio of the two is 1: 0.5.
in this embodiment, the styrenic thermoplastic elastomer is any one or more of a styrene-butadiene-styrene block copolymer, a styrene-isoprene-styrene block copolymer, and a styrene-ethylene-butylene-styrene block copolymer.
In this example, the dispersant is a styrene-maleic anhydride copolymer.
In this example, the maleic anhydride content of the styrene-maleic anhydride copolymer was 29.5%.
In this embodiment, the silica is fumed silica.
The soft mold material (standard sample bar) and silica gel (standard sample bar) for the chinese ancient cement product obtained in examples 2 to 4 of the present invention were subjected to the following performance tests, and the test results are shown in table 1:
in the above examples, the raw materials were mixed uniformly, granulated by a screw extruder to obtain granules, and then injection molded to obtain the soft molding material (standard sample bar) for the Chinese ancient cement product.
TABLE 1
As can be seen from the above table, compared with silica gel, the soft mold material for the chinese ancient architecture cement product of the present invention has the following advantages: the tear strength is high, the tensile strength is high, the mechanical property is good, and the durability is realized; and the elastic resilience is good, so that the material is a better substitute material for a soft mould for Chinese ancient cement products.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and should be considered to be within the scope of the invention.
Claims (2)
1. The soft mould material for the Chinese ancient building cement product is characterized by being prepared from the following raw materials in parts by weight:
80-90 parts of thermoplastic elastomer,
15-20 parts of phenylate phenylene silicone rubber,
12-16 parts of nylon 1212 resin,
4-7 parts of basalt fiber,
3-5 parts of silicon dioxide,
4-6 parts of a dispersing agent,
4-5 parts of antioxidant,
3-4.5 parts of a heat stabilizer;
the thermoplastic elastomer is a mixture of a styrene thermoplastic elastomer and a thermoplastic polyurethane rubber, and the mass ratio of the styrene thermoplastic elastomer to the thermoplastic polyurethane rubber is 1: 0.4 to 0.6;
the styrene thermoplastic elastomer is any one or more of styrene-butadiene-styrene block copolymer, styrene-isoprene-styrene block copolymer and styrene-ethylene-butylene-styrene block copolymer;
the dispersing agent is styrene-maleic anhydride copolymer;
the silica is fumed silica.
2. The soft molding material for Chinese ancient cement products according to claim 1, wherein the styrene-maleic anhydride copolymer has a maleic anhydride content of 27 to 32%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911202067.2A CN110746735B (en) | 2019-11-29 | 2019-11-29 | Soft mould material for Chinese ancient building cement product |
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| CN201911202067.2A CN110746735B (en) | 2019-11-29 | 2019-11-29 | Soft mould material for Chinese ancient building cement product |
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| CN110746735A CN110746735A (en) | 2020-02-04 |
| CN110746735B true CN110746735B (en) | 2022-08-30 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204526073U (en) * | 2014-12-30 | 2015-08-05 | 佛山市美润橡塑科技发展有限公司 | A kind of automobile thermoplastic elastic body sealing strip mould |
| CN107641324A (en) * | 2017-09-06 | 2018-01-30 | 安徽电气集团股份有限公司 | Strong radiation resistant instrument cable is used in a kind of nuclear island of nuclear power station |
| CN108456416A (en) * | 2017-02-21 | 2018-08-28 | 万华化学集团股份有限公司 | A kind of composition for thermoplastic elastomer and preparation method thereof for the encapsulated nylon of low temperature |
| WO2018200957A1 (en) * | 2017-04-28 | 2018-11-01 | Polyone Corporation | Thermoplastic elastomer compounds exhibiting low compression set properties |
-
2019
- 2019-11-29 CN CN201911202067.2A patent/CN110746735B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204526073U (en) * | 2014-12-30 | 2015-08-05 | 佛山市美润橡塑科技发展有限公司 | A kind of automobile thermoplastic elastic body sealing strip mould |
| CN108456416A (en) * | 2017-02-21 | 2018-08-28 | 万华化学集团股份有限公司 | A kind of composition for thermoplastic elastomer and preparation method thereof for the encapsulated nylon of low temperature |
| WO2018200957A1 (en) * | 2017-04-28 | 2018-11-01 | Polyone Corporation | Thermoplastic elastomer compounds exhibiting low compression set properties |
| CN107641324A (en) * | 2017-09-06 | 2018-01-30 | 安徽电气集团股份有限公司 | Strong radiation resistant instrument cable is used in a kind of nuclear island of nuclear power station |
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