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Adhesion resin for multilayer co-extrusion hoses and method for preparing adhesion resin

A bonding resin and multi-layer co-extrusion technology, applied in the field of bonding resin, can solve the problems of lack of heat resistance and high cost, and achieve the effects of low cost, easy processing and high barrier property

Inactive Publication Date: 2018-05-18
SHANGHAI BANZAN MACROMOLECULE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The so-called multi-layer co-extrusion is to simultaneously extrude a multi-layer film with an obvious interface layer through a die head, and the bonding between the materials of each layer is particularly important. The more mature ones on the market are ethylene-vinyl acetate, Copolymers such as ethylene acrylic acid and ethylene methacrylic acid are used as adhesive layers, but this adhesive lacks heat resistance and is relatively expensive

Method used

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  • Adhesion resin for multilayer co-extrusion hoses and method for preparing adhesion resin
  • Adhesion resin for multilayer co-extrusion hoses and method for preparing adhesion resin
  • Adhesion resin for multilayer co-extrusion hoses and method for preparing adhesion resin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022]

[0023] Preparation of masterbatch: Mix LLDPE, methacrylic acid shrinkage grease, and initiator di-tert-butyl peroxide in a high-speed mixer, and then carry out melt grafting in a twin-screw extruder at a speed of 1000rpm. The temperature is divided into four zones, 190°C, 200°C, 210°C, and 220°C, and it is extruded, water-cooled, air-dried, and pelletized.

[0024] Adhesive resin preparation:

[0025] Graft masterbatch, high-density polyethylene, low-density polyethylene, nitrocellulose, dispersant vinyl bisstearamide, benzotriazole anti-ultraviolet agent, modified sodium silicate powder, talc powder, heat stabilizer Calcium-zinc composite stabilizer and hindered phenolic antioxidant are added according to the above ratio at an appropriate feeding position through multi-point and multi-channel methods, mixed at high speed until evenly mixed, and passed through a twin-screw extruder at 180-210°C. Extrude, granulate and dry to obtain the adhesive resin.

[0026] Th...

Embodiment 2

[0028]

[0029] Preparation of masterbatch: Mix LLDPE, methacrylic acid shrinkage grease, and initiator di-tert-butyl peroxide in a high-speed mixer, and then carry out melt grafting in a twin-screw extruder at a speed of 1000rpm. The temperature is divided into four zones, 190°C, 200°C, 210°C, and 220°C, and it is extruded, water-cooled, air-dried, and pelletized.

[0030] Adhesive resin preparation:

[0031] Graft masterbatch, high-density polyethylene, low-density polyethylene, nitrocellulose, dispersant vinyl bisstearamide, benzotriazole anti-ultraviolet agent, modified sodium silicate powder, talc powder, heat stabilizer Calcium-zinc composite stabilizer and hindered phenolic antioxidant are added according to the above ratio at an appropriate feeding position through multi-point and multi-channel methods, mixed at high speed until evenly mixed, and passed through a twin-screw extruder at 180-210°C. Extrude, granulate and dry to obtain the adhesive resin.

[0032] Th...

Embodiment 3

[0034]

[0035] Preparation of masterbatch: Mix LLDPE, methacrylic acid shrinkage grease, and initiator di-tert-butyl peroxide in a high-speed mixer, and then carry out melt grafting in a twin-screw extruder at a speed of 1000rpm. The temperature is divided into four zones, 190°C, 200°C, 210°C, and 220°C, and it is extruded, water-cooled, air-dried, and pelletized.

[0036] Adhesive resin preparation:

[0037] Graft masterbatch, high-density polyethylene, low-density polyethylene, nitrocellulose, dispersant vinyl bisstearamide, benzotriazole anti-ultraviolet agent, modified sodium silicate powder, talc powder, heat stabilizer Calcium-zinc composite stabilizer and hindered phenolic antioxidant are added according to the above ratio at an appropriate feeding position through multi-point and multi-channel methods, mixed at high speed until evenly mixed, and passed through a twin-screw extruder at 180-210°C. Extrude, granulate and dry to obtain the adhesive resin.

[0038] Th...

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Abstract

The invention provides special adhesion resin for multilayer co-extrusion hoses and a method for preparing the special adhesion resin. The special adhesion resin comprises, by weight, 100 parts of LLDPE (linear low-density polyethylene), 1-3 parts of methacrylic acid glycidyl acid grease, 0.05-0.2 part of di-tert-butyl peroxide, 15-30 parts of methacrylic acid glycidyl acid grease linear low-density polyethylene, 15-25 parts of high-density polyethylene, 15-25 parts of low-density polyethylene and 5-10 parts of cellulose nitrate. The special adhesion resin and the method have the advantages that the special adhesion resin can resist environmental stress and is high in strength; the special adhesion resin is ultraviolet-resistant and weather-resistant and is high in peel strength, stable and durable in adhesion and wide in processing range.

Description

technical field [0001] The invention relates to an adhesive resin for multi-layer co-extrusion hoses and a preparation method thereof, in particular to an adhesive resin for multi-layer co-extrusion hoses with resistance to environmental stress and high strength, which belongs to the field of adhesive resins. Background technique [0002] With the development of my country's economy and the continuous change of consumption patterns, the packaging industry needs various types of high-performance and specialized packaging films, such as high-barrier packaging films that can improve the freshness of food and extend the shelf life of items that have appeared on the market , Cosmetic composite hose, electronic device transportation packaging and so on. These highly functional film products are the result of the development of multi-layer co-extrusion film technology. The main features of multi-layer co-extruded film are economy, functionality and high strength. For example, PVDC...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J123/08C09J123/06C09J101/18C09J151/06C09J11/04C09J11/06
CPCC08K2201/014C08L2201/08C08L2203/16C08L2205/025C08L2205/035C08L2207/062C08L2207/066C09J11/04C09J11/06C09J123/0815C08L23/06C08L1/18C08L51/06C08K13/06C08K3/34C08K5/20
Inventor 李楠毕宏江杨少辉肖传富欧阳贵
Owner SHANGHAI BANZAN MACROMOLECULE MATERIAL
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