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Raw material and manufacturing process for reinforced slings

A lifting belt, enhanced technology, applied in the direction of transportation and packaging, load hanging components, etc., can solve the problems of insufficient damage resistance of the lifting belt, insufficient rotation bending fatigue strength and contact fatigue strength, etc., to prevent the transfer from taking a long time Large, improved transmission effect, strong anti-destructive effect

Inactive Publication Date: 2018-10-19
江苏天华索具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Through improvement, an improved sling has been introduced. The most common application is the application number 201110437970.4, the application date is 2011.12.23 and the patent name is "a kind of high molecular polyethylene fiber cylinder sling and its production method". The sling is made of polymer polyethylene fiber cylindrical sling. However, when it is applied, the sling has insufficient damage resistance. Specifically, the rotational bending fatigue strength and contact fatigue strength are not enough. The rotational bending fatigue strength is not greater than 133MPa, and the impact toughness Not greater than 324MPa, this type of sling cannot meet the requirements of the environment where the rotating bending fatigue strength and contact fatigue strength are not low.

Method used

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  • Raw material and manufacturing process for reinforced slings

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Experimental program
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Effect test

Embodiment 1

[0062] Such as figure 1 As shown, the raw materials of the enhanced sling, the raw materials of the enhanced sling include: 12 parts by weight of PU, 8 parts by weight of PP, 8 parts by weight of ABS, 8 parts by weight of 72 parts of starch, 6 parts by weight of apple pomace, 16 parts of straw fiber, 2 parts of nano-zinc oxide, 18 parts of nano-chitosan, weight Parts are 8 parts of nano-titanium dioxide, parts by weight of polyethylene terephthalate 92 parts, polystyrene of 18 parts by weight, ethylene oxide of 2 parts by weight, Parts are 1 part of oxidized polyethylene wax, 0.8 parts of paraffin, 12 parts of limestone, 1 part of 3-mercaptopropylmethyldimethoxysilane and weight 2 parts petroleum jelly.

[0063] The manufacturing steps of the enhanced sling include the following steps:

[0064] Step a, the PU that is 12 parts by weight, the PP that is 8 parts by weight, the ABS that is 8 parts by weight, the starch that is 72 parts by weight, the apple pomace that is 6 part...

Embodiment 2

[0073] The raw materials of the enhanced sling, the raw materials of the enhanced sling include: 14 parts by weight of PU, 12 parts by weight of PP, 12 parts by weight of ABS, 85 parts by weight starch, 9 parts by weight of apple pomace, 20 parts by weight of straw fiber, 3 parts by weight of nano-zinc oxide, 20 parts by weight of nano-chitosan, and 20 parts by weight of nano-chitosan. 11 parts of nano-titanium dioxide, parts by weight of polyethylene terephthalate of 102 parts, parts by weight of polystyrene, parts by weight of ethylene oxide of 5 parts, parts by weight of 4 parts of oxidized polyethylene wax, 1.1 parts by weight of paraffin, 13 parts of limestone, 2 parts of 3-mercaptopropylmethyldimethoxysilane and 2 parts by weight of 3 parts petroleum jelly.

[0074] The manufacturing steps of the enhanced sling include the following steps:

[0075] Step a, the PU that is 14 parts by weight, the PP that is 12 parts by weight, the ABS that is 12 parts by weight, the star...

Embodiment 3

[0084] The raw materials of the enhanced sling, the raw materials of the enhanced sling include: 12-16 parts by weight of PU, 8-16 parts by weight of PP, 8-16 parts by weight of ABS, 72-98 parts by weight of starch, 6-12 parts by weight of apple pomace, 16-24 parts by weight of straw fiber, 2-4 parts by weight of nano-zinc oxide, parts by weight of 18-22 parts of nano-chitosan, 8-14 parts by weight of nano-titanium dioxide, 92-112 parts of polyethylene terephthalate, 18-24 parts by weight parts by weight of polystyrene, 2-8 parts by weight of ethylene oxide, 1-7 parts by weight of oxidized polyethylene wax, 0.8-1.4 parts by weight of paraffin wax, 12 parts by weight - 14 parts of limestone, 1-3 parts by weight of 3-mercaptopropylmethyldimethoxysilane and 2-4 parts by weight of petrolatum.

[0085] The manufacturing steps of the enhanced sling include the following steps:

[0086] Step a, the PU that is 12-16 parts by weight, the PP that is 8-16 parts by weight, the ABS that ...

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Abstract

The invention discloses a raw material and a manufacturing process for reinforced slings. The raw material for reinforced slings comprises, by weight, 92-112 parts of polyethylene terephthalate, 18-24parts of polystyrene, 2-8 parts of ethylene oxide, 1-7 parts of oxidized polyethylene wax, 0.8-1.4 parts of paraffin, 12-14 parts of limestone, 1-3 parts of 3-mercaptopropylmethyldimethoxysilane and2-4 parts of Vaseline. A defect that slings with the rotational bending fatigue strength being not more than 133 MPa and the impact toughness being not more than 324 MPa in the prior art cannot meet the environment having high requirements for the rotational bending fatigue strength and the contact fatigue strength is effectively avoided.

Description

technical field [0001] The invention relates to the technical field of slings, in particular to raw materials and manufacturing steps of a reinforced sling. Background technique [0002] The sling is a very commonly used lifting tool. The slings on the traditional market are mostly made of polyamide, polyester, and polypropylene filaments, which are not strong enough and heavy. burden. The strands and ropes of the core material are twisted in stages, so that the load-bearing strength of the sling cannot be maximized. Through the improvement of the material and manufacturing process of the sling, the performance of the sling can be further improved to meet more requirements in practical applications. [0003] Through improvement, an improved sling has been introduced. The most common application is the application number 201110437970.4, the application date is 2011.12.23 and the patent name is "a kind of high molecular polyethylene fiber cylinder sling and its production me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L3/02C08L75/04C08L23/12C08L55/02C08L25/06C08L23/30C08L91/06C08L5/08C08L97/02C08K13/02C08K3/22C08K3/26B66C1/18
CPCC08L3/02B66C1/18C08K2003/2241C08K2003/2296C08K2003/265C08K2201/011C08L2205/025C08L2205/035C08L2205/16C08L75/04C08L23/12C08L55/02C08L25/06C08L23/30C08L91/06C08L5/08C08L97/02C08K13/02C08K3/22C08K3/26
Inventor 王志玉
Owner 江苏天华索具有限公司
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