Efficient composite heat-insulating coating adhesive as well as preparation method and application thereof

Abstract

The invention relates to the technical field of heat-insulating coating adhesives, in particular to an efficient composite heat-insulating coating adhesive as well as a preparation method and application thereof. The coating comprises the following components in parts by weight: 20-40 parts of a water-soluble coating adhesive, 3-6 parts of a heat insulation auxiliary agent, 1-3 parts of a thickening agent, 0.1-0.5 part of a pH regulator, 1-2 parts of a defoaming agent, 3-5 parts of a mildew-proof preservative and 43.5-71.9 parts of water. According to the application, the rope body fusion phenomenon caused by high heat accumulated by external friction in the use process of the UHMWPE rope can be effectively reduced, the use safety of the UHMWPE rope is greatly improved, and meanwhile, the service life of the UHMWPE rope is prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of thermal insulation coating adhesives, and in particular to a high-efficiency composite thermal insulation coating adhesive and a preparation method and application thereof. Background Art

[0002] Ultra-high molecular weight polyethylene (UHMWPE) rope is extremely stable, with high modulus, high strength, light weight, wear resistance, water resistance, impact resistance, excellent biocompatibility, electrical properties and other advantages. It is widely used in important areas of the national economy such as aerospace and shipbuilding. However, the melting point of UHMWPE fiber is too low, resulting in poor heat resistance of UHMWPE rope. The actual maximum operating temperature is generally not higher than 65°C.

[0003] However, in actual use, repeated friction of the rope will inevitably cause heating and melting, which will reduce the mechanical properties of the rope and shorten its service life. In serious cases, safety accidents may occur. Therefore, it is urgent to apply thermal insulation coating to UHMWPE rope to improve its safety. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a high-efficiency composite thermal insulation coating adhesive and a preparation method and application thereof.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a high-efficiency composite thermal insulation coating adhesive, which includes the following components by weight: 20-40 parts of water-soluble coating adhesive, 3-6 parts of thermal insulation auxiliary agent, 1-3 parts of thickener, 0.1-0.5 parts of pH adjuster, 1-2 parts of defoaming agent, 3-5 parts of mildew and preservative, and 43.5-71.9 parts of water.

[0006] As an optimization, the water-soluble coating adhesive is one or more of polyurethane, polyacrylate, silicone emulsion, wax emulsion, silicone-acrylic emulsion and fluorocarbon emulsion.

[0007] As an optimization, the thermal insulation auxiliary agent is one or more of microporous aluminum silicate ultrafine powder, microporous calcium silicate ultrafine powder, nano zirconium oxide powder, hollow ceramic ultrafine powder, and ultrafine glass wool.

[0008] As optimization, the thickener is sodium carboxymethyl cellulose, polyurethane thickener or Carbomer 940.

[0009] As an optimization, the pH adjuster is phosphoric acid, triethanolamine or sodium hydroxide.

[0010] As an optimization, the defoamer is defoamer AR1101, defoamer SAF or defoamer GP-330.

[0011] As an optimization, the mildew and mildew preventive preservative is ketone, sodium benzoate or silicone quaternary ammonium salt.

[0012] A method for preparing a high-efficiency composite thermal insulation coating adhesive is used to prepare the high-efficiency composite thermal insulation coating adhesive, comprising the following steps: adding 20-40 parts of water-soluble coating adhesive, 3-6 parts of thermal insulation auxiliary agent, 1-3 parts of thickener, 0.1-0.5 parts of pH adjuster, 1-2 parts of defoamer, 3-5 parts of mildew and preservative, and 43.5-71.9 parts of water into a container, stirring electrically for 0.5h, and finally adding 0.1-0.5 parts of pH adjuster to obtain the high-efficiency composite thermal insulation coating adhesive.

[0013] An application of a high-efficiency composite thermal insulation coating adhesive, the finishing process of which is applied to an ultra-high molecular weight polyethylene rope is as follows: the yarn or strand is soaked in the above coating adhesive for 0.5-5 minutes, then taken out and dried and then braided into a rope, or the processed rope body is directly soaked in the above coating adhesive for 5-10 minutes, then taken out and dried.

[0014] As an optimization, the drying temperature is 30-60°C and the time is 1-8 minutes.

[0015] The high-efficiency composite thermal insulation coating adhesive and its preparation method and application in this scheme have the following benefits: The high-efficiency composite thermal insulation coating adhesive of the present application can achieve a high-efficiency thermal insulation effect, and can be evenly coated on the outside of the UHMWPE rope to form a uniform wear-resistant layer, effectively reducing the melting phenomenon of the UHMWPE rope caused by high heat accumulated due to external friction during use, greatly improving the safety of the UHMWPE rope and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Attached Figure 1 This is a schematic diagram of the finishing process of applying the high-efficiency composite thermal insulation coating adhesive of the present invention to UHMWPE rope.

[0017] Among them, 1. UHMWPE yarn, 2. coating glue, 3. mold, 4. drying system. DETAILED DESCRIPTION

[0018] Example 1 (1) Preparation of coating glue 2 2 parts of water-based polyurethane coating glue, 10 parts of water-based silicone emulsion, 2 parts of microporous aluminum silicate ultrafine powder, 2 parts of nano zirconium oxide powder, 1 part of polyurethane thickener, 1 part of defoaming agent SAF, 5 parts of Kaisong mildew preventive and preservative, and 58.5 parts of water are added into a container and stirred by an electric stirrer for 0.5h. Finally, 0.5 parts of pH adjuster phosphoric acid is added to adjust the pH to weak acidity to obtain high-efficiency composite thermal insulation coating glue 2A.

[0019] (2) Coating finishing process UHMWPE yarn 1 (10 strands) → impregnated with coating glue 2A (1 min) → extruded through mold 3 → heated and dried (30°C, 2 min) → twisted (stranded) → braided.

[0020] Example 2 (1) Preparation of coating glue 2 2 parts of water-based polyacrylate coating glue, 20 parts of water-based wax emulsion, 1 part of microporous calcium silicate ultrafine powder, 1 part of nano zirconium oxide powder, 2 parts of hollow ceramic ultrafine powder, 1.5 parts of sodium carboxymethyl cellulose, 1.5 parts of defoaming agent GP-330, 4 parts of sodium benzoate mildew preventive and preservative, and 48.8 parts of water are added into a container and stirred electrically for 0.5h. Finally, 0.2 parts of pH adjuster triethanolamine is added to adjust the pH to neutral to obtain high-efficiency composite thermal insulation coating glue 2B.

[0021] (2) Coating finishing process UHMWPE yarn 1 (10 strands) → twisted yarn (plied yarn) → impregnated with coating glue 2B (3 min) → extruded in mold 3 → heated and dried (45°C, 5 min) → braided.

[0022] Example 3 (1) Preparation of coating glue 2 10 parts of water-based silicone acrylic emulsion, 30 parts of water-based fluorocarbon emulsion, 1 part of microporous calcium silicate ultrafine powder, 2 parts of microporous aluminum silicate ultrafine powder, 1 part of microporous calcium silicate ultrafine powder, 3 parts of ultrafine glass wool, 3 parts of carbomer 940, 12 parts of defoaming agent AR110, 3 parts of organosilicon quaternary ammonium salt mildew preventive and preservative, and 44.9 parts of water are added into a container, stirred electrically for 0.5h, and finally 0.1 parts of sodium hydroxide as a pH adjuster is added to adjust the pH to weak alkalinity to obtain high-efficiency composite thermal insulation coating adhesive 2C.

[0023] (2) Coating finishing process UHMWPE yarn 1 (10 strands) → twisted yarn (plied yarn) → braided rope → impregnated with coating glue 2C (6 min) → extruded glue in mold 3 → heated and dried (60°C, 8 min).

[0024] Test Example: The frictional thermal insulation properties of the UHMWPE rope coated with the high-efficiency composite thermal insulation coating glue 2 in Examples 1-3 and the UHMWPE rope in Comparative Example 1 are shown in Table 1:

[0025] It can be seen from the above test results that the composite thermal insulation coating glue 2 obtained by the preparation method of the present application has obvious advantages in frictional thermal insulation performance after being applied to UHMWPE rope, which effectively reduces the melting phenomenon of the UHMWPE rope caused by high heat accumulated due to external friction during use, and greatly improves the safety of the use of UHMWPE rope.

[0026] The above-mentioned specific embodiments are only specific cases of the present invention. The patent protection scope of the present invention includes but is not limited to the product form and style of the above-mentioned specific embodiments. Any high-efficiency composite thermal insulation coating adhesive and its preparation method and application that conform to the claims of the present invention and any appropriate changes or modifications made thereto by ordinary technicians in any corresponding technical field shall fall within the patent protection scope of the present invention.

Claims

1. A high-efficiency composite thermal insulation coating adhesive, Features: The composition includes the following components by weight: 20-40 parts of water-soluble coating adhesive, 3-6 parts of thermal insulation auxiliary agent, 1-3 parts of thickener, 0.1-0.5 parts of pH regulator, 1-2 parts of defoamer, 3-5 parts of mildew and preservative, and 43.5-71.9 parts of water.

2. A high-efficiency composite thermal insulation coating adhesive according to claim 1, Features: The water-soluble coating adhesive is one or more of polyurethane, polyacrylate, silicone emulsion, wax emulsion, silicone-acrylic emulsion and fluorocarbon emulsion.

3. A high-efficiency composite thermal insulation coating adhesive according to claim 1, Features: The thermal insulation auxiliary agent is one or more of microporous aluminum silicate ultrafine powder, microporous calcium silicate ultrafine powder, nano zirconium oxide powder, hollow ceramic ultrafine powder, and ultrafine glass wool.

4. The high-efficiency composite thermal insulation coating adhesive according to claim 1, Features: The thickener is sodium carboxymethyl cellulose, polyurethane thickener or carbomer 940.

5. The high-efficiency composite thermal insulation coating adhesive according to claim 1, Features: The pH regulator is phosphoric acid, triethanolamine or sodium hydroxide.

6. The high-efficiency composite thermal insulation coating adhesive according to claim 1, Features: The defoamer is defoamer AR1101, defoamer SAF, or defoamer GP-330.

7. The high-efficiency composite thermal insulation coating adhesive according to claim 1, Features: The mildew-proof preservative is ketone, sodium benzoate or organosilicon quaternary ammonium salt.

8. A method for preparing a high-efficiency composite thermal insulation coating adhesive, used for preparing the high-efficiency composite thermal insulation coating adhesive according to any one of claims 1 to 7, Features: The method comprises the following steps: adding 20-40 parts of water-soluble coating adhesive, 3-6 parts of thermal insulation auxiliary agent, 1-3 parts of thickener, 0.1-0.5 parts of pH adjusting agent, 1-2 parts of defoaming agent, 3-5 parts of mildew and preservative, and 43.5-71.9 parts of water into a container, stirring electrically for 0.5h, and finally adding 0.1-0.5 parts of pH adjusting agent to obtain a high-efficiency composite thermal insulation coating adhesive.

9. Application of a high-efficiency composite thermal insulation coating adhesive, Features: The finishing process applied to the ultra-high molecular weight polyethylene rope is as follows: the yarn or strand is soaked in the above coating glue for 0.5-5 minutes, then taken out and dried before weaving into a rope, or the processed rope body is directly soaked in the above coating glue for 5-10 minutes, then taken out and dried.

10. Application of a high-efficiency composite thermal insulation coating adhesive according to claim 9, Features: The drying temperature is 30-60° C. and the drying time is 1-8 min.

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