CN110028715B - Production formula of anti-shake and anti-tear spinning rubber ring - Google Patents
Production formula of anti-shake and anti-tear spinning rubber ring Download PDFInfo
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- CN110028715B CN110028715B CN201910370395.7A CN201910370395A CN110028715B CN 110028715 B CN110028715 B CN 110028715B CN 201910370395 A CN201910370395 A CN 201910370395A CN 110028715 B CN110028715 B CN 110028715B
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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
- C08L13/00—Compositions of rubbers containing carboxyl groups
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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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- Health & Medical Sciences (AREA)
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a production formula of an anti-shake and anti-tear spinning rubber ring, wherein the spinning rubber ring comprises an inner rubber composite material layer, an outer rubber composite material layer and a middle framework layer; the method is characterized in that: the inner rubber composite material layer and the outer rubber composite material layer comprise the following raw material components in parts by weight: 30-40 parts of a butadiene-acrylonitrile rubber terpolymer; 30-40 parts of carboxyl nitrile rubber; 20-30 parts of butadiene rubber; 30-40 parts of polyvinyl chloride; 0.5-1.5 parts of an accelerator; 5 parts of zinc oxide; 10 parts of titanium dioxide; 1.5 parts of stearic acid; 3-5 parts of a wear-resisting agent; 1-2 parts of an antistatic agent; 1 part of anti-aging agent; 8-16 parts of a plasticizer; 10-35 parts of reinforcing white carbon black; 3-7 parts of colloidal sulfur. According to the invention, the high-strength low-elongation heat-setting polyester filament yarns are added in the middle of the rubber composite material layer, and are directly vulcanized and combined through the cotton core-spun framework layer, so that the elongation rate of the spinning rubber ring is low, the strength is improved, and the quality stability in the service cycle is effectively ensured.
Description
Technical Field
The invention belongs to the technical field of textile machinery equipment and particularly relates to a production formula of an anti-shake and anti-tear spinning rubber ring.
Background
Spinning rubber rings in a spinning machine of textile machinery are key equipment of a drafting mechanism, fiber strands are drafted and run on an upper rubber ring and a lower rubber ring in the spinning process, the rubber rings play roles of holding drafting, holding and conveying, and the holding force is slightly larger than the drafting force in terms of the drafting force and the holding force. For grip delivery. Whether the rubber ring can realize the process state of synchronous operation without shaking with the middle and lower rollers in the drafting process is a technical key in a drafting mechanism of a spinning machine and is closely related to the quality of finished yarns. The compact double-core Siro core-spun yarn spinning process includes the spinning process with two core filaments of different properties. The rubber ring rotates at a fixed yarn guide stroke, high speed, high pressure and high drafting in a double-core-spun chemical fiber for a long time, the tearing resistance and the wear resistance of the rubber material are reduced, and the inner layer of the rubber ring is torn and has poor wear resistance, so that the service life of the rubber ring is shortened. The surface molecular structure and oil resistance of the rubber ring sizing material formula are reduced, so that the holding force of the rubber ring is reduced, the operation is asynchronous and shakes, and the dual-core-spun yarn falls into white (core) to cause the quality reduction or the abandonment of a spinning product. Therefore, ー rubbers and rubber modification which are suitable for the spinning of the Siro compact twin-core-spun yarn or similar spinning process conditions, have proper roughness (stable operation and holding) of the inner surface and the outer surface of the rubber ring, and have tear resistance, high wear resistance and oil resistance are absolutely necessary to be found.
Disclosure of Invention
On the basis of the prior art, the invention aims to overcome the defects of easy shake of a rubber ring, wear and tear of an inner layer, oil swelling resistance and the like in the prior art, and provides a production formula of shake-resistant and tear-resistant rubber ring spinning.
The technical scheme adopted by the invention is as follows:
a production formula of an anti-shake and anti-tear spinning rubber ring comprises an inner rubber composite material layer, an outer rubber composite material layer and a middle framework layer; the inner rubber composite material layer and the outer rubber composite material layer comprise the following raw material components in parts by weight: 30-40 parts of a butadiene-acrylonitrile rubber terpolymer; 30-40 parts of carboxyl nitrile rubber; 20-30 parts of butadiene rubber; 30-40 parts of polyvinyl chloride; 0.5-1.5 parts of an accelerator; 5 parts of zinc oxide; 10 parts of titanium dioxide; 1.5 parts of stearic acid; 3-5 parts of a wear-resisting agent; 1-2 parts of an antistatic agent; 1 part of anti-aging agent; 8-16 parts of a plasticizer; 10-35 parts of high-reinforcement white carbon black; 3-7 parts of colloidal sulfur.
The further technical scheme is as follows: the acrylonitrile unit content in the butadiene-acrylonitrile rubber terpolymer is 20-22 wt%, the raw rubber Mooney viscosity (ML100 ℃ 1+4) of the butadiene-acrylonitrile rubber terpolymer is 50-55, and the styrene content in the butadiene-acrylonitrile rubber terpolymer is 22-24%.
The further technical scheme is as follows: the weight percentage content of acrylonitrile units in the carboxyl nitrile rubber is 32.5%, the raw rubber Mooney viscosity (ML100 ℃ 1+4) of the carboxyl nitrile rubber is 58%, and the carboxyl content in the carboxyl nitrile rubber is 1%.
The further technical scheme is as follows: the polymerization degree of the polyvinyl chloride is 2500.
The further technical scheme is as follows: the raw rubber Mooney viscosity (ML100 ℃ 1+4) of the butadiene rubber is 37-45.
The further technical scheme is as follows: the accelerator is an accelerator TE, namely diethyldiphenylthiuram disulfide.
The further technical scheme is as follows: the wear-resisting agent is silicone master batch.
The further technical scheme is as follows: the antistatic agent is E-XCB.
The further technical scheme is as follows: the plasticizer is dioctyl phthalate.
The further technical scheme is as follows: the anti-aging agent is an anti-aging agent AW.
The invention has the following beneficial effects:
(1) the invention blends and modifies butyronitrile benzene rubber terpolymer, carboxyl butyronitrile rubber, butadiene rubber and polyvinyl chloride 2500 quaternary. The situation that the existing nitrile rubber formula is easy to shake and the inner layer is abraded and torn when the existing nitrile rubber formula is operated under the spinning operation condition of the siro compact double-core covering yarn is improved, the quaternary blending modified rubber is used as a main material, the performances of tearing resistance, high wear resistance and the like of a rubber ring are improved, the surface elasticity and holding force of the rubber are changed due to the addition of styrene groups and butadiene rubber in the nitrile rubber terpolymer, and the rubber can run more stably under the conditions of double-core covering drafting, high speed and high pressure and is more meshed with a lower roller. The rubber ring runs stably at a high speed under the spinning running condition of the Sailuo compact double-core covering yarn, does not shake, and improves the tear resistance and the high wear resistance by 1.5 to 2 times, thereby thoroughly solving the quality hidden trouble of missing covering of the covering yarn and prolonging the service life of the spinning rubber ring.
(2) According to the invention, the high-strength low-elongation heat-setting polyester filament yarns are added in the middle of the rubber composite material layer, and are directly vulcanized and combined through the cotton core-spun framework layer, so that the elongation rate of the spinning rubber ring is low, the strength is improved, and the quality stability in the service cycle is effectively ensured.
Detailed Description
Examples 1 to 3 the rubber products were prepared by weighing the raw materials in the weight parts ratios shown in table 1, and then performing quaternary copolymerization modification by an internal rubber mixer and mixing by an internal rubber mixer.
Table 1:
the rubber products obtained in examples 1 to 3 were tested according to the test standards of GB/T528-2009, GB/T531.1-2008, GB/T1689-1998, and GB/T3512-2001, and the results are shown in Table 2:
table 2:
then, the rubber products obtained in the above examples 1 to 3 were processed into spinning rubber rings, and the test was carried out according to the test standard "FZ/T93050-" 1998 ", and the test results are shown in Table 3:
table 3:
and (4) analyzing results: the experimental data in tables 2 and 3 show that the technical indexes of the formula completely meet the performance required by the product on the machine, the problems that the running of the spinning rubber ring is unstable and the tearing property is poor under the spinning running condition of spinning the siro compact double-core covering yarn are solved well, the tearing resistance is improved by 30-60%, and the service life is prolonged by 1.5-2.1 times through the testing of a spinning simulator.
The spinning rubber ring formula provided by the invention for modifying the quaternary blending of the nitrile butadiene styrene rubber terpolymer, the carboxylated nitrile butadiene rubber, the butadiene rubber and the polyvinyl chloride 2500 into the main material is described above in detail, and the related technical personnel can modify or properly change and combine the formula described in the invention without departing from the content, the spirit and the scope of the invention and still be considered to be included in the spirit, the scope and the content of the invention.
Claims (6)
1. An anti-shake and anti-tear spinning rubber ring comprises an inner rubber composite material layer, an outer rubber composite material layer and a middle framework layer; the method is characterized in that: the inner rubber composite material layer and the outer rubber composite material layer comprise the following raw material components in parts by weight: 30-40 parts of a butadiene-acrylonitrile rubber terpolymer; 30-40 parts of carboxyl nitrile rubber; 20-30 parts of butadiene rubber; 30-40 parts of polyvinyl chloride; 0.5-1.5 parts of an accelerator; 5 parts of zinc oxide; 10 parts of titanium dioxide; 1.5 parts of stearic acid; 3-5 parts of a wear-resisting agent; 1-2 parts of an antistatic agent; 1 part of anti-aging agent; 8-16 parts of a plasticizer; 10-35 parts of reinforcing white carbon black; 3-7 parts of colloidal sulfur; the polymerization degree of the polyvinyl chloride is 2500;
the acrylonitrile unit in the butadiene-acrylonitrile rubber terpolymer accounts for 20-22 wt%, the raw rubber Mooney viscosity ML100 ℃ 1+4 of the butadiene-acrylonitrile rubber terpolymer accounts for 50-55 wt%, and the styrene content in the butadiene-acrylonitrile rubber terpolymer accounts for 22-24 wt%;
the weight percentage content of acrylonitrile units in the carboxyl nitrile rubber is 32.5 percent, and the raw rubber Mooney viscosity ML100 ℃ of the carboxyl nitrile rubber is 58; the carboxyl content in the carboxyl nitrile rubber is 1 percent;
the raw rubber Mooney viscosity ML100 ℃ 1+4 of the butadiene rubber is 37-45.
2. An anti-shake, tear-resistant spinning ring according to claim 1, wherein: the accelerator is accelerator TE.
3. An anti-shake, tear-resistant spinning ring according to claim 1, wherein: the wear-resisting agent is silicone master batch.
4. An anti-shake, tear-resistant spinning ring according to claim 1, wherein: the antistatic agent is E-XCB.
5. An anti-shake, tear-resistant spinning ring according to claim 1, wherein: the plasticizer is dioctyl phthalate.
6. An anti-shake, tear-resistant spinning ring according to claim 1, wherein: the anti-aging agent is an anti-aging agent AW.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370395.7A CN110028715B (en) | 2019-05-06 | 2019-05-06 | Production formula of anti-shake and anti-tear spinning rubber ring |
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| CN201910370395.7A CN110028715B (en) | 2019-05-06 | 2019-05-06 | Production formula of anti-shake and anti-tear spinning rubber ring |
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| CN110028715A CN110028715A (en) | 2019-07-19 |
| CN110028715B true CN110028715B (en) | 2021-05-11 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373153B (en) * | 2020-11-11 | 2023-10-03 | 无锡二橡胶股份有限公司 | Production formula of spinning rubber ring for spinning low-count differential fiber yarns |
| CN113337022B (en) * | 2021-06-25 | 2023-01-10 | 无锡二橡胶股份有限公司 | Rubber ring for lyocell fiber spinning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103819769B (en) * | 2014-02-24 | 2015-09-09 | 无锡二橡胶股份有限公司 | The production formula of high abrasion long draft high-speed spinning cushion rubber |
| CN107857907B (en) * | 2017-11-28 | 2020-11-10 | 无锡二橡胶股份有限公司 | Rubber-plastic and multi-walled carbon nanotube composite elastic matrix and preparation method thereof |
| CN109503905A (en) * | 2018-12-27 | 2019-03-22 | 无锡市兰翔胶业有限公司 | A kind of high-lubricity rubber ring |
| CN109438795A (en) * | 2018-12-27 | 2019-03-08 | 无锡市兰翔胶业有限公司 | A kind of device for turbo-spinning cushion rubber |
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