CN111118641A - Train professional bulk grain bag and preparation method thereof - Google Patents
Train professional bulk grain bag and preparation method thereof Download PDFInfo
- Publication number
- CN111118641A CN111118641A CN201811290057.4A CN201811290057A CN111118641A CN 111118641 A CN111118641 A CN 111118641A CN 201811290057 A CN201811290057 A CN 201811290057A CN 111118641 A CN111118641 A CN 111118641A
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- CN
- China
- Prior art keywords
- parts
- bulk grain
- raw materials
- bag
- polyethylene
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
Abstract
A train professional bulk grain bag and a preparation method thereof comprise the following raw materials in parts by weight: 100-150 parts by mass of polyethylene; 1-3 parts of a toughening agent; 0.5-2 parts of rosin; 3-5 parts of starch; 1-3 parts of a heat-resistant stabilizer; 1-2 parts of a plasticizer; 2-4 parts of phenolic resin; 1-3 parts of sodium carbonate; 4-6 parts of glycerin, wherein the raw material of the invention adopts polyethylene, the polyethylene is a thermoplastic resin prepared by polymerizing ethylene, the polyethylene is odorless and nontoxic, has wax-like hand feeling, good chemical stability, can resist the corrosion of most acid and alkali, is insoluble in common solvents at normal temperature, has small water absorption and excellent electrical insulation, replaces the PP material used by the traditional snakeskin bag, and can be used as a grain dispersing bag to reduce the precipitation and adhesion of harmful substances of the grain dispersing bag on food and reduce the damage to the human body, and the processing speed is faster by carrying out the mixed preparation, spinning and cutting of the raw materials through different departments, and simultaneously, the quality of the grain dispersing bag can also be improved.
Description
Technical Field
The invention relates to the technical field of professional train bulk grain bags, in particular to a professional train bulk grain bag and a preparation method thereof.
Background
The special bulk grain bag for the train is mainly used for bagging food materials on the train, most of the existing bulk grain bags are made of PP (polypropylene) and decompose toxic substances at high temperature, and plastic products are nontoxic substances, so that the toxic substances can be separated out and permeate into food when the temperature of the plastic products reaches 65 ℃, the important parts of human bodies such as liver, kidney, reproductive system, central nervous system and the like can be damaged, and the human bodies can be damaged after long-time use, so that the durable, high-temperature-resistant, corrosion-resistant and recyclable bulk grain bags are required to replace the traditional bulk grain bags.
Disclosure of Invention
The invention aims at solving the problems that the prior bulk grain bag is mostly made of PP (polypropylene) and decomposes toxic substances at high temperature, plastic products are nontoxic substances, when the temperature of the plastic products reaches 65 ℃, the toxic substances can be separated out and permeate into food, the plastic products can cause harm to important parts of human bodies such as liver, kidney, reproductive system, central nervous system and the like, and the human bodies can be injured after long-term use.
In order to solve the technical defects, the invention adopts a modified technical scheme, which comprises the following raw materials in parts by weight: 100-150 parts by mass of polyethylene; 1-3 parts of a toughening agent; 0.5-2 parts of rosin; 3-5 parts of starch; 1-3 parts of a heat-resistant stabilizer; 1-2 parts of a plasticizer; 2-4 parts of phenolic resin; 1-3 parts of sodium carbonate; 4-6 parts of glycerol.
As a preferred embodiment of the present invention, a method for preparing a train professional bulk grain bag comprises:
s1, selecting polyethylene, a toughening agent, rosin, starch, a heat-resistant stabilizer, a plasticizer, phenolic resin, sodium carbonate and glycerol, and checking whether a machine line and the machine can normally run;
s2, pouring the prepared raw materials into a drying stirrer in sequence, continuously stirring for 10 minutes, and then adding the mixed raw materials into an electromagnetic screw extruder for heating and plasticizing;
s3, extruding the plasticized raw materials through a die head, and driving the extruded raw materials to pass through a water pool through a motor for water cooling;
s4, drawing the cooled product onto a cutter releasing frame to be cut into strips, and drawing the cut strip product and the first extension plate;
s5, connecting the product stretched by the first extension plate into the second extension plate, stretching again until the product is shaped, and connecting the shaped product into a rolling machine to roll into balls;
and S6, unloading the rolling balls, transporting the rolling balls to a textile operation room, hanging the rolling balls on a wire frame, and weaving the rolling balls into cloth through a water weaving machine.
As a preferred embodiment of the present invention, the woven cloth is made into bulk grain bags by the following steps:
step one, rolling the manufactured cloth, conveying the cloth to a sewing department, and performing heat seal through a splicing machine;
step two, cutting the cloth spliced in the step one to a proper size;
thirdly, sewing the cut cloth into bulk grain bags by using a sewing machine, and detecting whether the softness and the specification of the bulk grain bags meet the requirements or not by using a detection table;
and step four, packaging the bulk grain bags qualified in detection by a press packaging machine, and storing.
As a preferred embodiment of the invention, the heating temperature of the electromagnetic screw extruder is 120-150 ℃, the temperature of the die head is 100-110 ℃, and the pulling speed of the electromagnetic screw extruder is 300-500 rpm.
In a preferred embodiment of the present invention, the toughening agent is a PP toughening agent, the plasticizer is a citrate plasticizer, and the heat-resistant heat stabilizer is a mixture of dihydropyridine and diketone at a ratio of 1: 1.
The invention has the following beneficial effects: the raw material of the invention adopts polyethylene (PE for short) which is a thermoplastic resin prepared by polymerizing ethylene, the polyethylene is odorless, nontoxic, has wax-like hand feeling, good chemical stability, can resist corrosion of most acid and alkali, is insoluble in common solvents at normal temperature, has small water absorption and excellent electrical insulation, replaces PP material used by the traditional snakeskin bag, can reduce the precipitation of harmful substances of the scattered grain bag and the adhesion of the harmful substances to food when being used as the scattered grain bag, reduces the damage to the human body of people, improves the wear resistance and heat resistance of the scattered grain bag in terms of corrosion resistance by matching of various raw materials, simultaneously improves the processing speed by mixing, weaving and cutting the raw materials through different departments, can also improve the quality of the scattered grain bag, and can also carry out secondary processing treatment after the use, thereby reducing the waste of resources.
Detailed Description
A graphene negative electrode material and a preparation method thereof comprise the following raw materials in parts by weight: 100-150 parts by mass of polyethylene; 1-3 parts of a toughening agent; 0.5-2 parts of rosin; 3-5 parts of starch; 1-3 parts of a heat-resistant stabilizer; 1-2 parts of a plasticizer; 2-4 parts of phenolic resin; 1-3 parts of sodium carbonate; 4-6 parts of glycerol.
In the embodiment, the raw material adopts polyethylene, because the polyethylene is odorless and nontoxic, has a wax-like hand feeling, has good chemical stability, can resist corrosion of most of acid and alkali, is insoluble in common solvents at normal temperature, has small water absorption, excellent electrical insulation, more excellent performance compared with the snake skin bag made of the traditional PP material, and less toxic substances, and is matched with the toughening agent, rosin, starch, heat-resistant stabilizer, plasticizer, phenolic resin, sodium carbonate and glycerin, the plasticity of the polyethylene is improved, the toughness of the polyethylene is also improved, the damage to the health of a human body can be reduced, and the snake skin bag is more durable.
Example 1
As a preferred embodiment of the present invention, a method for preparing a train professional bulk grain bag comprises:
s1, selecting polyethylene, a toughening agent, rosin, starch, a heat-resistant stabilizer, a plasticizer, phenolic resin, sodium carbonate and glycerol, and checking whether a machine line and the machine can normally run;
s2, pouring the prepared raw materials into a drying stirrer in sequence, continuously stirring for 10 minutes, and then adding the mixed raw materials into an electromagnetic screw extruder for heating and plasticizing;
s3, extruding the plasticized raw materials through a die head, and driving the extruded raw materials to pass through a water pool through a motor for water cooling;
s4, drawing the cooled product onto a cutter releasing frame to be cut into strips, and drawing the cut strip product and the first extension plate;
s5, connecting the product stretched by the first extension plate into the second extension plate, stretching again until the product is shaped, and connecting the shaped product into a rolling machine to roll into balls;
and S6, unloading the rolling balls, transporting the rolling balls to a textile operation room, hanging the rolling balls on a wire frame, and weaving the rolling balls into cloth through a water weaving machine.
In this embodiment to the raw materials after the mixture plastify, extrude, the operation such as cooling, tensile makes the line with polyethylene, through carrying out the line rolling and get into next process once more and weave into cloth, different steps go on for the plastics line toughness of processing one-tenth is better, then through weaving once more, makes the process more exquisite.
Example 2
As a preferred embodiment of the present invention, the woven cloth is made into bulk grain bags by the following steps:
step one, rolling the manufactured cloth, conveying the cloth to a sewing department, and performing heat seal through a splicing machine;
step two, cutting the cloth spliced in the step one to a proper size;
thirdly, sewing the cut cloth into bulk grain bags by using a sewing machine, and detecting whether the softness and the specification of the bulk grain bags meet the requirements or not by using a detection table;
and step four, packaging the bulk grain bags qualified in detection by a press packaging machine, and storing.
The polyethylene cloth that will make into in this embodiment, through traditional mode of cutting the sewing make into bulk grain bag, do and do more exquisite, for directly adopting direct stretch forming's mode, bulk grain bag that this kind of mode produced is more exquisite, and the quality is also higher simultaneously, and is more durable.
Example 3
As a preferred embodiment of the invention, the heating temperature of the electromagnetic screw extruder is 120-150 ℃, the temperature of the die head is 100-110 ℃, and the pulling speed of the electromagnetic screw extruder is 300-500 rpm.
In this embodiment, through many experiments, the heating temperature of the electromagnetic screw extruder is 150-.
Example 4
In a preferred embodiment of the present invention, the toughening agent is a PP toughening agent, the plasticizer is a citrate plasticizer, and the heat-resistant heat stabilizer is a mixture of dihydropyridine and diketone at a ratio of 1: 1.
In the plasticizer, namely the citrate plasticizer, the heat-resistant heat stabilizer is formed by dihydropyridine and diketone according to the proportion of 1:1, so that the quality of the bulk grain bag is improved, the wear resistance and heat resistance of the bulk grain bag are improved, and meanwhile, secondary processing treatment can be performed after the bulk grain bag is used, so that the waste of resources is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The train professional bulk grain bag is characterized by comprising the following raw materials in parts by weight: 100-150 parts by mass of polyethylene; 1-3 parts of a toughening agent; 0.5-2 parts of rosin; 3-5 parts of starch; 1-3 parts of a heat-resistant stabilizer; 1-2 parts of a plasticizer; 2-4 parts of phenolic resin; 1-3 parts of sodium carbonate; 4-6 parts of glycerol.
2. The special train bulk grain bag and the preparation method thereof according to claim 1, wherein the preparation method of the special train bulk grain bag comprises the following steps:
s1, selecting polyethylene, a toughening agent, rosin, starch, a heat-resistant stabilizer, a plasticizer, phenolic resin, sodium carbonate and glycerol, and checking whether a machine line and the machine can normally run;
s2, pouring the prepared raw materials into a drying stirrer in sequence, continuously stirring for 10 minutes, and then adding the mixed raw materials into an electromagnetic screw extruder for heating and plasticizing;
s3, extruding the plasticized raw materials through a die head, and driving the extruded raw materials to pass through a water pool through a motor for water cooling;
s4, drawing the cooled product onto a cutter releasing frame to be cut into strips, and drawing the cut strip product and the first extension plate;
s5, connecting the product stretched by the first extension plate into the second extension plate, stretching again until the product is shaped, and connecting the shaped product into a rolling machine to roll into balls;
and S6, unloading the rolling balls, transporting the rolling balls to a textile operation room, hanging the rolling balls on a wire frame, and weaving the rolling balls into cloth through a water weaving machine.
3. The preparation method of the train professional bulk grain bag according to claim 2, wherein the woven cloth is made into the bulk grain bag by the following steps:
step one, rolling the manufactured cloth, conveying the cloth to a sewing department, and performing heat seal through a splicing machine;
step two, cutting the cloth spliced in the step one to a proper size;
thirdly, sewing the cut cloth into bulk grain bags by using a sewing machine, and detecting whether the softness and the specification of the bulk grain bags meet the requirements or not by using a detection table;
and step four, packaging the bulk grain bags qualified in detection by a press packaging machine, and storing.
4. The method for preparing the train professional bulk bag according to claim 2, wherein the heating temperature of the electromagnetic screw extruder is 120-150 ℃, the temperature of the die head is 100-110 ℃, and the pulling speed of the electromagnetic screw extruder is 300-500 rpm.
5. The preparation method of the train professional bulk grain bag according to claim 1, wherein the toughening agent is a PP toughening agent, the plasticizer is a citrate plasticizer, and the heat-resistant heat stabilizer is a dihydropyridine and a diketone according to a ratio of 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290057.4A CN111118641A (en) | 2018-10-31 | 2018-10-31 | Train professional bulk grain bag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811290057.4A CN111118641A (en) | 2018-10-31 | 2018-10-31 | Train professional bulk grain bag and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111118641A true CN111118641A (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811290057.4A Pending CN111118641A (en) | 2018-10-31 | 2018-10-31 | Train professional bulk grain bag and preparation method thereof |
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| CN (1) | CN111118641A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888666A (en) * | 2012-09-14 | 2013-01-23 | 常州商隆产业用纺织品有限公司 | Technological process for producing high-density polyethylene high-daniel filament |
| CN104212037A (en) * | 2014-09-10 | 2014-12-17 | 四川塑金科技有限公司 | Regenerated HDPE (High-Density Polyethylene) particles and preparation method thereof |
| CN105348568A (en) * | 2015-12-03 | 2016-02-24 | 张家港市秀华塑料厂 | Formula of cellulose modified cement woven bag |
| CN105670072A (en) * | 2015-11-27 | 2016-06-15 | 康平县塑编产业集群综合服务中心 | Production method of degradable plastic woven bag |
| CN107443618A (en) * | 2017-08-15 | 2017-12-08 | 武冈市鑫瑞能塑料制品有限公司 | A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag |
| CN107474358A (en) * | 2017-08-15 | 2017-12-15 | 安徽华猫软包装有限公司 | A kind of high performance plastics packaging bag and preparation method thereof |
| CN107513201A (en) * | 2017-09-20 | 2017-12-26 | 盐城华和再生物资有限公司 | A kind of woven bag silk of UV resistant |
| CN108084551A (en) * | 2017-12-07 | 2018-05-29 | 廖景皓 | A kind of flame-retardant polymer crosslinking woven bag and preparation method thereof |
-
2018
- 2018-10-31 CN CN201811290057.4A patent/CN111118641A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102888666A (en) * | 2012-09-14 | 2013-01-23 | 常州商隆产业用纺织品有限公司 | Technological process for producing high-density polyethylene high-daniel filament |
| CN104212037A (en) * | 2014-09-10 | 2014-12-17 | 四川塑金科技有限公司 | Regenerated HDPE (High-Density Polyethylene) particles and preparation method thereof |
| CN105670072A (en) * | 2015-11-27 | 2016-06-15 | 康平县塑编产业集群综合服务中心 | Production method of degradable plastic woven bag |
| CN105348568A (en) * | 2015-12-03 | 2016-02-24 | 张家港市秀华塑料厂 | Formula of cellulose modified cement woven bag |
| CN107443618A (en) * | 2017-08-15 | 2017-12-08 | 武冈市鑫瑞能塑料制品有限公司 | A kind of regenerating and modifying plastic production technology based on waste or used plastics woven bag |
| CN107474358A (en) * | 2017-08-15 | 2017-12-15 | 安徽华猫软包装有限公司 | A kind of high performance plastics packaging bag and preparation method thereof |
| CN107513201A (en) * | 2017-09-20 | 2017-12-26 | 盐城华和再生物资有限公司 | A kind of woven bag silk of UV resistant |
| CN108084551A (en) * | 2017-12-07 | 2018-05-29 | 廖景皓 | A kind of flame-retardant polymer crosslinking woven bag and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201030 Address after: 063000 east side of XiaChen Road, Tianzhuang village, Kou Zhuang Township, Qian'an City, Tangshan City, Hebei Province Applicant after: Tangshan Lu'an Railway Equipment Co.,Ltd. Address before: 064400 Renzhuang Village, Kezhuang Township, Qian'an City, Tangshan City, Hebei Province (north side of kechen Road) Applicant before: Qian'an Shengbei plastic products factory |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200508 |