CN102660091A - Thermo-elastomer hose and preparation method thereof - Google Patents
Thermo-elastomer hose and preparation method thereof Download PDFInfo
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- CN102660091A CN102660091A CN2012101545302A CN201210154530A CN102660091A CN 102660091 A CN102660091 A CN 102660091A CN 2012101545302 A CN2012101545302 A CN 2012101545302A CN 201210154530 A CN201210154530 A CN 201210154530A CN 102660091 A CN102660091 A CN 102660091A
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Abstract
The invention discloses a thermo-elastomer hose and a preparation method thereof. The thermo-elastomer hose consists of the following components in part by weight: 20 to 30 parts of poly vinyl chloride (PVC) (1300#), 10 to 15 parts of dioctyl terephthalate (DOTP), 1.2 to 1.8 parts of soybean oil, 0.05 to 0.1 part of stabilizing agent, 0.05 to 0.1 part of stearic acid, 0.1 to 0.2 part of chlorinated polyethylene (CPE), 0.15 to 0.25 part of lead, 1.5 to 2.5 parts of calcium carbonate, 0.2 to 0.3 part of P83 and a small amount of carbon black. The thermo-elastomer hose product is prepared by the steps of mixing, stirring, particle preparation, tabulation and the like. The thermo-elastomer hose has the characteristics that the service life of a material is prolonged, vulcanization performance is avoided during production, the hose is low in cost, high in performance, and wide in using range, can be used at the temperature of between -50 and 120 DEG C, and has low-temperature brittleness resistance and high-temperature aging resistance, and the application range is widened.
Description
Technical field
What the present invention relates to is a kind of thermo-elasticity hose body and preparation method thereof, belongs to the interior Manifold technology of building materials bathroom faucet front end water hose.
Background technology
Pipe adopts rubber hose in the very big part water hose in existing market, and pipe adopts the heat ductile forming pipe in the gondola water faucet flexible pipe, and these two kinds of pipes all exist high and low temperature resistance poor, the defective that work-ing life is short.Pipe in the common EPDM of domestic procurement is prone to season cracking, and work-ing life is low.The flat elastomerics of three degree of U.S.'s import combines plastics and two kinds of properties of materials of rubber, and quality is good but cost an arm and a leg, and complex manufacturing, and the raw material production equipment requirements is with high investment greatly, and generally small and medium size companies can't produce.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, and a kind of tool thermal plastic property tool rubber property is provided, high and low temperature resistance is good; Long service life; Production technique is simple, and processability is good, and cost is low; Material is reusable, can substitute thermo-elasticity hose body of pipe in EPDM or the NBR and preparation method thereof fully.
The objective of the invention is to accomplish through following technical scheme; Thermo-elasticity hose body of the present invention is made up of following component and proportioning: the PVC of 20-30 weight parts (1300#), the DOTP of 10-15 weight parts (environment-friendly type), the VT 18 of 1.2-1.8 weight parts; 0.05 the stablizer of-0.1 weight part; 0.05 the Triple Pressed Stearic Acid of-0.1 weight part, the CPE of 0.1-0.2 weight part, the lead of 0.15-0.25 weight part; 1.5 the fine particle calcium carbonate of-2.5 weight parts, the P83 of 0.2-0.3 weight part and a small amount of carbon black.
Optimized technical scheme of the present invention is: described thermo-elasticity hose body is made up of following component and proportioning: the PVC of 25 weight parts (1300#), the DOTP of 13 weight parts (environment-friendly type), the VT 18 of 1.5 weight parts; 0.075 the stablizer of weight part; 0.075 the Triple Pressed Stearic Acid of weight part, the CPE of 0.15 weight part, the lead of 0.2 weight part; The fine particle calcium carbonate of 2 weight parts, the P83 of 0.25 weight part and a small amount of carbon black.
The preparation method of thermo-elasticity hose body of the present invention; This method adopts following steps; 1) mixes stirring: in high speed agitator, in proportion PVC and other auxiliary agents except that P83, DOTP are pre-mixed together; Be elevated to 75-82 ℃ up to temperature, under same rotating speed, add the DOTP softening agent in proportion and temperature is raised to 115-125 ℃, and keep being discharged into cooling section to compound after at least 1 minute; When making raw material be cooled to 40-60 ℃, add in proportion again and after P83 mixes 1.0-1.5min discharge material;
2) pellet is made: add the refrigerative raw material in the twin screw or single screw extruder, (temperature, rotating speed) extruded pelletizing under the processing condition of regulation (routine);
3) tubulation: according to the mould of desired size, described thermo-elasticity hose body product is made.
Preferred manufacturing procedure of the present invention is: 1) mix to stir: in high speed agitator with PVC with other auxiliary agents, except that P83, be pre-mixed; Be elevated to 78 ℃ up to temperature; Under same rotating speed, add softening agent and temperature is raised to 120 ℃; And keep being discharged into cooling section to compound after 1 minute, when making raw material be cooled to 50 ℃, add again behind the P83 mixing 1.2min and discharge material.
The product nontoxicity that the present invention is prepared from meets 12 nontoxic standards of European plastic material, and increase the work-ing life of material; There is not sulfuration property during production, with low cost, excellent property; Low temperature resistant degradation property and high temperature resistant aging; Use range is wide, can reach-50 ℃ basically--between 120 ℃, enlarged the scope of application.
Embodiment
To combine specific embodiment that the present invention is done detailed introduction below: thermo-elasticity hose body of the present invention is made up of following component and proportioning: the PVC of 20-30 weight parts (1300#); The DOTP of 10-15 weight parts (environment-friendly type); 1.2 the VT 18 of-1.8 weight parts, the stablizer of 0.05-0.1 weight part, the Triple Pressed Stearic Acid of 0.05-0.1 weight part; 0.1 the CPE of-0.2 weight part; 0.15 the lead of-0.25 weight part, the fine particle calcium carbonate of 1.5-2.5 weight parts, the P83 of 0.2-0.3 weight part and a small amount of carbon black.It is in order to prevent to add the thermal destruction in man-hour, also to prevent goods aged effect in the life-time service process that the present invention adopts stablizer; One embodiment of the present of invention are in elastomerics, to add liquid barium chromium zinc stabilizer; Described P83 is a NBR rubber, also can adopt M-80 to replace in other embodiments.
Optimized technical scheme of the present invention is: described thermo-elasticity hose body is made up of following component and proportioning: the PVC of 25 weight parts (1300#), the DOTP of 13 weight parts (environment-friendly type), the VT 18 of 1.5 weight parts; 0.075 the stablizer of weight part; 0.075 the Triple Pressed Stearic Acid of weight part, the CPE of 0.15 weight part, the lead of 0.2 weight part; The fine particle calcium carbonate of 2 weight parts, the P83 of 0.25 weight part and a small amount of carbon black.
The preparation method of thermo-elasticity hose body of the present invention; This method adopts following steps; 1) mixes stirring: in high speed agitator, in proportion PVC and other auxiliary agents except that P83, DOTP are pre-mixed together; Be elevated to 75-82 ℃ up to temperature, under same rotating speed, add the DOTP softening agent in proportion and temperature is raised to 115-125 ℃, and keep being discharged into cooling section to compound after at least 1 minute; When making raw material be cooled to 40-60 ℃, add in proportion again and after P83 mixes 1.0-1.5min discharge material;
2) pellet is made: add the refrigerative raw material in the twin screw or single screw extruder, (temperature, rotating speed) extruded pelletizing under the processing condition of regulation (routine);
3) tubulation: according to the mould of desired size, described thermo-elasticity hose body product is made.
Preferred manufacturing procedure of the present invention is: 1) mix to stir: in high speed agitator with PVC with other auxiliary agents, except that P83, be pre-mixed; Be elevated to 78 ℃ up to temperature; Under same rotating speed, add softening agent and temperature is raised to 120 ℃; And keep being discharged into cooling section to compound after 1 minute, when making raw material be cooled to 50 ℃, add again behind the P83 mixing 1.2min and discharge material.
Embodiment 1: thermo-elasticity hose body of the present invention is made up of following component and proportioning: the PVC of 25 weight parts (1300#), the DOTP of 13 weight parts (environment-friendly type), the VT 18 of 1.5 weight parts; 0.075 the stablizer of weight part; 0.075 the Triple Pressed Stearic Acid of weight part, the CPE of 0.15 weight part, the lead of 0.2 weight part; The fine particle calcium carbonate of 2 weight parts, the P83 of 0.25 weight part and a small amount of carbon black;
The preparation method of thermo-elasticity hose body of the present invention; This method adopts following steps, 1) mix and stir: in high speed agitator with PVC with other auxiliary agents, except that P83, be pre-mixed, be elevated to 78 ℃ up to temperature; Under same rotating speed, add softening agent and temperature is raised to 120 ℃; And keep being discharged into cooling section to compound after 1 minute, when making raw material be cooled to 50 ℃, add again behind the P83 mixing 1.2min and discharge material; 2) pellet is made: add the refrigerative raw material in the twin screw or single screw extruder, (temperature, rotating speed) extruded pelletizing under the processing condition of regulation (routine); 3) tubulation: according to the mould of desired size, described thermo-elasticity hose body product is made.
Embodiment 2: thermo-elasticity hose body of the present invention is made up of following component and proportioning: the PVC of 20 weight parts (1300#), the DOTP of 15 weight parts (environment-friendly type), the VT 18 of 1.8 weight parts; 0.1 the stablizer of weight part; 0.1 the Triple Pressed Stearic Acid of weight part, the CPE of 0.2 weight part, the lead of 0.25 weight part; 2.5 the fine particle calcium carbonate of weight part, the P83 of 0.3 weight part and a small amount of carbon black;
The preparation method of thermo-elasticity hose body of the present invention; This method adopts following steps, 1) mix and stir: in high speed agitator, in proportion PVC and other auxiliary agents except that P83, DOTP are pre-mixed together, are elevated to 82 ℃ up to temperature; Under same rotating speed, add the DOTP softening agent in proportion and temperature is raised to 125 ℃; And keep being discharged into cooling section to compound after at least 1 minute, when making raw material be cooled to 60 ℃, add in proportion again behind P83 the mixings 1.5min the material discharge;
2) pellet is made: add the refrigerative raw material in the twin screw or single screw extruder, (temperature, rotating speed) extruded pelletizing under the processing condition of regulation (routine);
3) tubulation: according to the mould of desired size, described thermo-elasticity hose body product is made.
Embodiment 3: thermo-elasticity hose body of the present invention is made up of following component and proportioning: the PVC of 30 weight parts (1300#), the DOTP of 10 weight parts (environment-friendly type), the VT 18 of 1.2 weight parts; 0.05 the stablizer of weight part; 0.05 the Triple Pressed Stearic Acid of weight part, the CPE of 0.1 weight part, the lead of 0.15 weight part; 1.5 the fine particle calcium carbonate of weight part, the P83 of 0.2 weight part and a small amount of carbon black;
The preparation method of thermo-elasticity hose body of the present invention; This method adopts following steps, 1) mix and stir: in high speed agitator, in proportion PVC and other auxiliary agents except that P83, DOTP are pre-mixed together, are elevated to 75 ℃ up to temperature; Under same rotating speed, add the DOTP softening agent in proportion and temperature is raised to 115 ℃; And keep being discharged into cooling section to compound after at least 1 minute, when making raw material be cooled to 40 ℃, add in proportion again behind P83 the mixings 1.0min the material discharge;
2) pellet is made: add the refrigerative raw material in the twin screw or single screw extruder, (temperature, rotating speed) extruded pelletizing under the processing condition of regulation (routine);
3) tubulation: according to the mould of desired size, described thermo-elasticity hose body product is made.
Other embodiments of the invention can each set of dispense of above record when in the process data scope arbitrary combination form, be not limited to above three concrete embodiment.
The present invention is the compound thermo-elasticity hose body of a kind of PVC+NBR, and its performance index consist essentially of:
1). shore hardness A; 70--85.
2). tensile strength MPa; 11--15
3). stretching strength retentivity %; 95
4). elongation at break %; Greater than 250
5). extension at break conservation rate %; 90
6). tension set %; 5-8
7) .100% tensile modulus MPa; 4.2-4.6
8). tear strength (right angle) KN/m; 50-55.
9). elasticity viscous force (1200/sec) Pa-sec; 80
10). elastic recovery rate %; 95
11). ozone resistance O3test23 ℃ of 100ppm, 60h, flawless.
12). compressive set (ASTM, D395,22H/70 ℃) %; 30-35.
Claims (4)
1. a thermo-elasticity hose body is characterized in that it is made up of following component and proportioning: the 1300#PVC of 20-30 weight parts, the DOTP of 10-15 weight parts; 1.2 the VT 18 of-1.8 weight parts, the stablizer of 0.05-0.1 weight part, the Triple Pressed Stearic Acid of 0.05-0.1 weight part; 0.1 the CPE of-0.2 weight part; 0.15 the lead of-0.25 weight part, the fine particle calcium carbonate of 1.5-2.5 weight parts, the P83 of 0.2-0.3 weight part and a small amount of carbon black.
2. thermo-elasticity hose body according to claim 1 is characterized in that it is made up of following component and proportioning: the 1300#PVC of 25 weight parts, the DOTP of 13 weight parts; 1.5 the VT 18 of weight part, the stablizer of 0.075 weight part, the Triple Pressed Stearic Acid of 0.075 weight part; 0.15 the CPE of weight part; 0.2 the lead of weight part, the fine particle calcium carbonate of 2 weight parts, the P83 of 0.25 weight part and a small amount of carbon black.
3. preparation method of thermo-elasticity hose body according to claim 1 is characterized in that this method adopts following steps:
1) mixes stirring: in high speed agitator, in proportion PVC and other auxiliary agents except that P83, DOTP are pre-mixed together; Be elevated to 75-82 ℃ up to temperature; Under same rotating speed, add the DOTP softening agent in proportion and temperature is raised to 115-125 ℃; And keep being discharged into cooling section to compound after at least 1 minute, when making raw material be cooled to 40-60 ℃, add in proportion again and after P83 mixes 1.0-1.5min discharge material;
2) pellet is made: add the refrigerative raw material in the twin screw or single screw extruder, under the processing condition of regulation, extrude pelletizing;
3) tubulation: according to the mould of desired size, described thermo-elasticity hose body product is made.
4. the preparation method of thermo-elasticity hose body according to claim 4; It is characterized in that in the described step 1), in high speed agitator, with PVC and other auxiliary agents, except that P83, be pre-mixed, be elevated to 78 ℃ up to temperature; Under same rotating speed, add softening agent and temperature is raised to 120 ℃; And keep being discharged into cooling section to compound after 1 minute, when making raw material be cooled to 50 ℃, add again behind the P83 mixing 1.2min and discharge material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101545302A CN102660091A (en) | 2012-05-18 | 2012-05-18 | Thermo-elastomer hose and preparation method thereof |
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| CN2012101545302A CN102660091A (en) | 2012-05-18 | 2012-05-18 | Thermo-elastomer hose and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250411A (en) * | 2014-01-26 | 2014-12-31 | 安徽省忠宏管业科技有限公司 | PVC hose |
| CN112592601A (en) * | 2020-12-04 | 2021-04-02 | 浙江凯越塑胶工业有限公司 | Food-grade hose and preparation method thereof |
| CN112852068A (en) * | 2021-01-07 | 2021-05-28 | 台州市天达源科技股份有限公司 | Elastic PVC transparent hose and preparation method thereof |
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Cited By (3)
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| CN104250411A (en) * | 2014-01-26 | 2014-12-31 | 安徽省忠宏管业科技有限公司 | PVC hose |
| CN112592601A (en) * | 2020-12-04 | 2021-04-02 | 浙江凯越塑胶工业有限公司 | Food-grade hose and preparation method thereof |
| CN112852068A (en) * | 2021-01-07 | 2021-05-28 | 台州市天达源科技股份有限公司 | Elastic PVC transparent hose and preparation method thereof |
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Application publication date: 20120912 |