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Preparation method of dynamically-vulcanized ethylene propylene diene monomer rubber waterproof coiled material

A technology of vulcanizing ternary and ethylene-propylene rubber, which is applied in the direction of flat products, other household appliances, household appliances, etc., can solve the problems of the continuous production process of waterproof membrane, poor stability of waterproof membrane and unstable product quality, etc. , to achieve the effect of improved physical and chemical properties, excellent corrosion resistance, simple and continuous process

Inactive Publication Date: 2018-06-08
QINGDAO KEHUA M M M
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems that the production process of waterproof membranes in the prior art cannot be continuously carried out, the prepared waterproof membranes have poor stability and unstable product quality, the present invention provides a dynamic vulcanized EPDM waterproof membrane Preparation

Method used

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  • Preparation method of dynamically-vulcanized ethylene propylene diene monomer rubber waterproof coiled material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] (1) Add rubber, plastics, fillers, and processing aids in proportion to the first twin-screw extruder through a weight loss scale, and plasticize, shear, knead, and extrude into a mixing strip, and the first twin-screw barrel The temperature is controlled at 200°C to ensure that the components are mixed evenly;

[0024] (2) Add the mixed strip processed and extruded by the first twin-screw extruder into the second twin-screw extruder, and add vulcanization system and other processing aids in proportion, through melting, mixing, exhausting, Metering, complete the dynamic vulcanization reaction, and extrude the semi-finished sheet, the temperature of the second twin-screw barrel is controlled at 170-250°C, and the screw speed is 100r / min;

[0025] (3) The sheet extruded by the second twin-screw extruder is shaped by a three-roll calendering system, and finally cooled and stored to prepare the finished dynamic vulcanized EPDM waterproof membrane. The prepared dynamic vulca...

Embodiment 2

[0027] (1) Add rubber, plastics, fillers, and processing aids in proportion to the first twin-screw extruder through a weight loss scale, and plasticize, shear, knead, and extrude into a mixing strip, and the first twin-screw barrel The temperature is controlled at 170°C to ensure that the components are mixed evenly;

[0028] (2) Join the second twin-screw extruder after pelletizing the mixing strip extruded by the first twin-screw extruder, and add vulcanization system and other processing aids in proportion, through melting, mixing, Exhaust and measure, complete the dynamic vulcanization reaction, and extrude the semi-finished sheet, the temperature of the second twin-screw barrel is controlled at 170°C, and the screw speed is 50r / min;

[0029] (3) The sheet extruded by the second twin-screw extruder is shaped by a twin-roller calendering system, and finally cooled and stored to prepare a dynamic vulcanized EPDM waterproof membrane product. The prepared dynamic vulcanized E...

Embodiment 3

[0031] (1) Add rubber, plastics, fillers, and processing aids in proportion to the first twin-screw extruder through a weight loss scale, and plasticize, shear, knead, and extrude into a mixing strip, and the first twin-screw barrel The temperature is controlled at 185°C to ensure that the components are mixed evenly;

[0032] (2) Add the mixed strip processed and extruded by the first twin-screw extruder into the second twin-screw extruder, and add vulcanization system and other processing aids in proportion, through melting, mixing, exhausting, Metering, complete the dynamic vulcanization reaction, and extrude the semi-finished sheet, the temperature of the second twin-screw barrel is controlled at 210°C, and the screw speed is 70r / min;

[0033] (3) The sheet extruded by the second twin-screw extruder is shaped by a five-roll calendering system, and finally cooled and stored to prepare the finished dynamic vulcanized EPDM waterproof membrane. The prepared dynamic vulcanized ...

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Abstract

The invention relates to the field of waterproof coiled materials, and discloses a preparation method of a dynamically-vulcanized ethylene propylene diene monomer rubber waterproof coiled material. According to the preparation method disclosed by the invention, linkage is carried out by adopting two twin-screw extruders, so that the quality of a product can be monitored in real time while continuous production is realized. The preparation method of the dynamically-vulcanized ethylene propylene diene terpolymer rubber waterproof coiled material has the advantages that the production efficiencyis greatly improved, and on-line adjustment of processes and formulas is realized, and a scrap ratio is reduced; and moreover, the prepared dynamically-vulcanized ethylene propylene diene monomer rubber waterproof coiled material is relatively excellent in physical and chemical properties and is stable in quality of the product.

Description

technical field [0001] The invention relates to the field of waterproof coiled material, in particular to a preparation method of dynamically vulcanized EPDM waterproof coiled material. Background technique [0002] With the vigorous development of the construction industry, the demand for waterproof membranes in the field of construction engineering is also increasing. Similarly, the requirements for material quality are also improving, thus providing a broad space for the promotion and application of new polymer membranes. At present, domestic More mature polymer membranes mainly include EPDM vulcanized membranes and polyvinyl chloride (PVC) waterproof membranes. [0003] Thermoplastic Dynamic Vulcanizate (English is Thermoplastic Dynamic Vulcanizate), referred to as TPV, the word "dynamic" is a more specific description of the process of producing this thermoplastic vulcanizate - dynamic vulcanization, this process refers to the process of melting and blending of rubber a...

Claims

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Application Information

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IPC IPC(8): B29D7/01
CPCB29D7/01
Inventor 王全基胡全超李贵廷林贤栋
Owner QINGDAO KEHUA M M M
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