Preparation process for superaqueous surrounding-separating coating material of PVC

A preparation process and coating material technology, which is applied in the field of chemical industry, can solve the problems of easy dust sticking, cracking, product failure and other problems, and achieve the effects of good air tightness, long service life and superior wear resistance

Inactive Publication Date: 2009-08-19
FUJIAN SIJIA ENVIRONMENTAL PROTECTION MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Algae-repelling enclosure materials are widely used in waters. Anti-turbidity curtains can be used to prevent the spread of pollution in turbid water caused by ports, channel dredging, and civil construction in water, and to prevent environmental hazards caused by large-scale growth of algae in lake waters. This type of coating material In addition to the required special properties, due to the long-term use of the material outdoors, the use environment is relatively harsh, and it has to withstand the attack of ultraviolet rays and various atmospheric pollutants for a long time. On the one hand, this accelerates the degradation of PVC. The migration of the agent causes the surface of the coating to be sticky, making the product easy to stick to dust, crack, and the product fails prematurely

Method used

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  • Preparation process for superaqueous surrounding-separating coating material of PVC

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The polyester gray cloth used can be high-strength polyester gray cloth.

[0032] The specific steps of the preparation process are:

[0033] 1) Sending: the high-strength polyester gray cloth is placed on the sending device for sending, and one end of the core tube on the sending device is equipped with a magnetic brake device to adjust the tension;

[0034] 2) Preheating and ironing: the gray cloth is preheated and ironed through the preheating and ironing device on the sending device; this step is a set of heating steel rollers, and the temperature is controlled at 80 degrees to ensure that the moisture in the fabric and the low molecular weight Volatile matter is excluded here to prevent pinholes from escaping in subsequent coatings from affecting airtightness;

[0035] 3) Double-sided coating treatment: use a coating machine to paste the paste with a padding vertical scraper, dip the preheated and flattened gray cloth into the paste so that the warp and weft yarns...

Embodiment 2

[0052] The polyester gray cloth used can be high-strength polyester gray cloth.

[0053] The specific steps of the preparation process are:

[0054] 1) Sending: the high-strength polyester gray cloth is placed on the sending device for sending, and one end of the core tube on the sending device is equipped with a magnetic brake device to adjust the tension;

[0055] 2) Preheating and ironing: the gray cloth is preheated and ironed through the preheating and ironing device on the sending device; this step is a set of heating steel rollers, and the temperature is controlled at 120 degrees to ensure that the moisture in the fabric and the low molecular weight Volatile matter is excluded here to prevent pinholes from escaping in subsequent coatings from affecting airtightness;

[0056] 3) Double-sided coating treatment: use a coating machine to paste the paste with a padding vertical scraper, dip the preheated and flattened gray cloth into the paste so that the warp and weft yarn...

Embodiment 3

[0073] The specific steps of the preparation process are:

[0074] 1) Sending: the high-strength polyester gray cloth is placed on the sending device for sending, and one end of the core tube on the sending device is equipped with a magnetic brake device to adjust the tension;

[0075] 2) Preheating and ironing: the gray cloth is preheated and ironed through the preheating and ironing device on the sending device; this step is a set of heating steel rollers, and the temperature is controlled at 100 degrees to ensure that the moisture in the fabric and the low molecular weight Volatile matter is excluded here to prevent pinholes from escaping in subsequent coatings from affecting airtightness;

[0076] 3) Double-sided coating treatment: use a coating machine to paste the paste with a padding vertical scraper, dip the preheated and flattened gray cloth into the paste so that the warp and weft yarns of the cloth are filled with paste, and then pass through a pair of rolls Roll o...

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Abstract

The invention provides a process for preparing a PVC overwater enclosure coating material, which comprises delivery of PVC grey cloth, preheating and ironing, double-face coating treatment, pre-plasticizing and gelling, planishing and cooling, primary coating of a horizontal coating head, plasticizing treatment, cooling and shaping, secondary coating of the horizontal coating head, plasticizing treatment, embossing, cooling, winding, surface treatment and preparation. The process combines net sandwich cloth coating and surface treatment process, is complete relatively to common coating processing, can process a vertical coating, a surface layer and a bottom layer, reduces the intrusion of ultraviolet rays on the coating by adopting the surface treatment process on the one hand, can prevent plasticizing agent from being transferred to the surface of a product on the other hand so as to achieve the antifouling effect and achieve the aim of self-cleaning by means of rainwater; and the product has good air tightness and superior abrasion-resisting property, is suitable for outdoor application, and has long service life and remarkable economic benefit.

Description

technical field [0001] The invention belongs to the field of chemical industry, and more specifically relates to a preparation process of a PVC water enclosure coating material. Background technique [0002] PVC water containment coating material can be used for oil booms, widely used in seaports, rivers, lakes, ponds, oil-water separation and other occasions, using bright orange PVC coated high-strength fabric, oil-resistant, seawater corrosion-resistant, anti-ultraviolet radiation . The fire-proof oil boom is coated with oil-resistant, aging-resistant high-quality flame-retardant coating formula and high-strength fabric heat-bonded, with high strength and aging resistance. Algae-repelling enclosure materials are widely used in waters. Anti-turbidity curtains can be used to prevent the spread of pollution in turbid water caused by ports, channel dredging, and civil construction in water, and to prevent environmental hazards caused by large-scale growth of algae in lake wat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06N3/18B32B27/12B05D1/38E02B15/06
Inventor 张宏旺黄万能李如晓蒋石生
Owner FUJIAN SIJIA ENVIRONMENTAL PROTECTION MATERIAL TECH
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