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A kind of rose crystal nano-calcium carbonate multi-dimensional reinforced MPP cable protection tube material and preparation method thereof

A nano-calcium carbonate, cable protection tube technology, applied in plastic/resin/wax insulators, organic insulators, etc., can solve the problems of large filling amount, rapid decline in mechanical properties, and insignificant increase in strength.

Active Publication Date: 2019-10-22
FUJIAN HOSHING PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a rose crystal nano-calcium carbonate multi-dimensional reinforced MPP power sheath tube material according to the polymer modification technology, so as to solve the problem of the large filling volume of the traditional commonly used crystal structure nano-calcium carbonate reinforced MPP power sheath tube material , rapid decline in mechanical properties, insignificant increase in strength and other shortcomings, widely used in trenchless pipeline construction, with good economic and social benefits

Method used

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  • A kind of rose crystal nano-calcium carbonate multi-dimensional reinforced MPP cable protection tube material and preparation method thereof
  • A kind of rose crystal nano-calcium carbonate multi-dimensional reinforced MPP cable protection tube material and preparation method thereof
  • A kind of rose crystal nano-calcium carbonate multi-dimensional reinforced MPP cable protection tube material and preparation method thereof

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Experimental program
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Embodiment 1

[0069] The basic formula and weight ratio of a rose crystal nano-calcium carbonate multi-dimensionally reinforced MPP power sheath material are as follows: 50 parts of PP resin (the weight ratio of copolymerized PP and homopolymerized PP is 2:1): the molecular weight of copolymerized PP is 15 Ten thousand, ethylene molecular content 3.5% (weight), propylene molecular content 96.5% (weight), homopolymer PP molecular weight is 450,000; 30 parts of rose crystal nano-calcium carbonate; 3 parts of aluminum zirconate coupling agent; 7 parts of TPE ; 5 parts of PP-g-MAH; 2 parts of PP wax; 2 parts of barium stearate; 10101 parts of antioxidant.

[0070] Preparation Process:

[0071] S1: Rose crystal nano calcium carbonate surface treatment

[0072] Add rose crystal nano-calcium carbonate into the high-speed mixer according to the number of parts by weight, raise the temperature to 80°C, stir at a speed of 50rpm / min for 1h, then add barium stearate and aluminum zirconate coupling age...

Embodiment 2

[0077] The basic formula and weight ratio of a rose crystal nano-calcium carbonate multi-dimensionally reinforced MPP power sheath material are as follows: 55 parts of PP resin (the weight ratio of copolymerized PP and homopolymerized PP is 3:1), and the molecular weight of copolymerized PP is 150,000 , the molecular content of ethylene is 3.5% (weight), the molecular content of propylene is 96.5% (weight), and the molecular weight of homopolymer PP is 450,000; 25 parts of rose crystal nano-calcium carbonate; 1.5 parts of titanate coupling agent; 8 parts of EPDM; EPDM -g-MAH 4 parts; EBS 1.5 parts; Zinc Stearate 3 parts; Antioxidant 1010 2 parts.

[0078] Preparation Process:

[0079] S1: Rose crystal nano calcium carbonate surface treatment

[0080] Add rose crystal nano-calcium carbonate into the high-speed mixer according to the number of parts by weight, raise the temperature to 90°C, stir at a speed of 80rpm / min for 1.5h, then add zinc stearate and titanate coupling agen...

Embodiment 3

[0085] The basic formula and weight ratio of a rose crystal nano-calcium carbonate multi-dimensionally reinforced MPP power sheath material are as follows: 45 parts of PP resin (the weight ratio of copolymerized PP and homopolymerized PP is 4:1), and the molecular weight of copolymerized PP is 150,000 , ethylene molecular content 3.5% (weight), propylene molecular content 96.5% (weight), homopolymer PP molecular weight is 450,000; rose crystal nano-calcium carbonate 35 parts; silane coupling agent 2.5 parts; POE 7 parts; POE-g - MAH 5 parts; EBS 1.5 parts; calcium stearate 2.5 parts; antioxidant 10101.5 parts.

[0086] Preparation Process:

[0087] S1: Rose crystal nano calcium carbonate surface treatment

[0088] Add rose crystal nano-calcium carbonate into the high-speed mixer according to the number of parts by weight, heat up to 100°C, stir at a speed of 100rpm / min for 1h, then add calcium stearate and silane coupling agent in turn, and then add calcium stearate and silan...

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Abstract

The invention discloses a rose crystal nano-calcium carbonate multi-dimension reinforced MPP cable protection tube material and a preparation method thereof. The rose crystal nano-calcium carbonate multi-dimension reinforced MPP cable protection tube material is prepared from the following raw materials in parts by weight: 30-100 parts of PP resin, 10-70 parts of rose crystal nano-calcium carbonate, 1-5 parts of coupling agents, 5-15 parts of toughening agents, 3-10 parts of compatilizers, 1-5 parts of lubricants, 2-5 parts of dispersants and 0.5-2 parts of antioxidants. Through the rose crystal nano-calcium carbonate multi-dimension reinforced MPP cable protection tube material, the defects of large filling quantity, rapid reduction of mechanical performance and unobvious improvement of strength of the conventional common crystal structure nano-calcium carbonate reinforced MPP power sheath tube material can be solved; the performance indexes of the products of the power sheath tube material are as follows: the bending strength is greater than or equal to 45MPa at 23+ / -2 DEG C, the bending elastic modulus is greater than or equal to 2000MPa, the tensile strength is greater than or equal to 30MPa at 23+ / -2 DEG C, and the ring stiffness is greater than or equal to 30kN / m<2>.

Description

technical field [0001] The invention relates to the field of MPP power sheath tube materials, in particular to a rose crystal nano-calcium carbonate multi-dimensional reinforced MPP power sheath tube material and a preparation method thereof. Background technique [0002] With the development of urban construction in our country, the construction of underground pipelines, especially the laying of power sheathed pipes, has become an indispensable part of urban construction. [0003] MPP power sheath pipe is made of modified polypropylene as the main raw material, which has the advantages of high strength, good insulation performance and easy construction. It is widely used in trenchless pipeline construction in the process of urban construction, improving the shortcomings of repeated excavation of urban roads, environmental pollution and affecting urban traffic, and protecting the city environment. Contents of the invention [0004] The purpose of the present invention is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/14C08L23/12C08L51/06C08L51/04C08K13/06C08K9/04C08K9/06C08K3/26C08K5/098C08K5/134C08J5/00H01B3/44
Inventor 陈苏焕陈秀俊
Owner FUJIAN HOSHING PLASTICS