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Impact-resistant mildew-proof nylon material and preparation method thereof

A nylon and anti-mold technology, applied in the field of polymers, can solve the problems of antibacterial agents such as easy discoloration, easy carbonization and decomposition, and slow antibacterial effect, and achieve good antibacterial and anti-mold effects, good anti-impact effects, and low cost effects

Pending Publication Date: 2019-12-06
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, this goal is generally achieved by adding antibacterial agents. Among them, natural antibacterial agents have high safety but poor heat resistance and are easy to carbonize and decompose; organic antibacterial agents are fast and efficient in sterilization, but have the disadvantage of poor long-term effect; inorganic antibacterial agents have long-term sterilization Good, but the antibacterial effect is slow, and silver and copper antibacterial agents have the problem of easy discoloration

Method used

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  • Impact-resistant mildew-proof nylon material and preparation method thereof
  • Impact-resistant mildew-proof nylon material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Weigh 100 parts of PA6, weigh 10 parts of chlorinated polyethylene, 0.1 part of 2-n-octyl-4-isothiazolin-3-one, 0.2 part of nano-titanium dioxide and tetrakis[β-(3,5-di-tert-butyl 0.1 part of (4-hydroxyphenyl) propionate] pentaerythritol ester), 0.1 part of tris (2,4-di-tert-butylphenyl) phosphite, and 0.3 part of montan wax, mixed in a high-speed mixer for 5 minutes;

[0022] Extrude and granulate the uniformly mixed material in a twin-screw extruder.

[0023] The temperature setting of the extruder is: 190°C in zone I, 220°C in zone II, 230°C in zone III, 235°C in zone IV, 230°C in zone V, 230°C in zone VI, and 235°C in the die.

Embodiment 2

[0025] Weigh 80 parts of PA6, weigh 8 parts of chlorinated polyethylene, 0.1 part of 2-n-octyl-4-isothiazolin-3-one, 0.2 parts of nano-titanium dioxide, tetrakis[β-(3,5-di-tert-butyl Base-4-hydroxyphenyl) propionic acid] pentaerythritol ester) 0.15 parts, phosphite tris (2,4-di-tert-butylphenyl) ester 0.15 parts, montan wax 0.45 parts, mixed in a high-speed mixer for 5 minutes;

[0026] Put the uniformly mixed material in a twin-screw extruder, and then feed 15 parts of glass fiber from the side feeding port for extrusion and granulation.

[0027] The temperature setting of the extruder is: 190°C in zone I, 220°C in zone II, 230°C in zone III, 240°C in zone IV, 235°C in zone V, 235°C in zone VI, and 230°C in the die.

Embodiment 3

[0029] Weigh 60 parts of PA6, weigh 6 parts of chlorinated polyethylene, 0.1 part of 2-n-octyl-4-isothiazolin-3-one, 0.2 part of nano-titanium dioxide, tetrakis[β-(3,5-di-tert-butyl Base-4-hydroxyphenyl) propionic acid] pentaerythritol ester) 0.15 parts, phosphite tris (2,4-di-tert-butylphenyl) ester 0.15 parts, montan wax 0.45 parts, mixed in a high-speed mixer for 5 minutes;

[0030] Put the uniformly mixed material in a twin-screw extruder, and then feed 30 parts of glass fiber from the side feeding port for extrusion and granulation.

[0031] The temperature setting of the extruder is: 190°C in zone I, 220°C in zone II, 230°C in zone III, 240°C in zone IV, 235°C in zone V, 235°C in zone VI, and 230°C in the die.

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Abstract

The invention discloses an impact-resistant mildew-proof nylon material and a preparation method thereof. The impact-resistant mildew-proof nylon material is prepared from the following components inparts by weight: 50-100 parts of PA, 3.15-10.3 parts of a mildew-proof agent, 0.5-1 part of an auxiliary agent and 0-40 parts of glass fibers, wherein the mildew-proof agent is prepared by compoundingchlorinated polyethylene, 2-n-octyl-4-isothiazolin-3-one and nanometer titanium dioxide according to a mass ratio of (6-10): 0.1: 0.2. The prepared nylon material is low in production cost, good in impact resistance and good in antibacterial and mildew-proof effect, and has both short-term efficient sterilization performance and long-term sterilization and mildew-proof performance.

Description

technical field [0001] The invention relates to the technical field of polymers, in particular to an impact-resistant and anti-mold nylon material and a preparation method thereof. Background technique [0002] Nylon 6 is a general-purpose engineering plastic with excellent comprehensive properties. It has excellent mechanical properties, wear resistance, solvent resistance, oil resistance, etc., and is widely used in various industries. With the continuous development of its application, people put forward higher and more specific requirements for nylon 6, such as requiring antibacterial and antifungal properties. This is because plastics are prone to mold due to migration of internal additives or external pollution, which affects the use of products. In addition, in order to improve its impact resistance, nylon generally adds a toughening agent, and the small molecular substances and monomers contained in commonly used toughening agents are the source of nutrition for mol...

Claims

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Application Information

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IPC IPC(8): C08L77/02C08L23/28C08L91/06C08K13/04C08K7/14C08K5/47C08K3/22C08K5/134C08K5/526
CPCC08L77/02C08K2003/2241C08K2201/011C08K2201/003C08K2201/004C08L23/286C08L91/06C08K13/04C08K7/14C08K5/47C08K3/22C08K5/1345C08K5/526
Inventor 杨桂生费彬范继贤吴安琪
Owner HEFEI GENIUS NEW MATERIALS
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