CN117656289A - Production process of hydrophilic master batch for low melt index of non-woven fabric - Google Patents
Production process of hydrophilic master batch for low melt index of non-woven fabric Download PDFInfo
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- CN117656289A CN117656289A CN202311630345.0A CN202311630345A CN117656289A CN 117656289 A CN117656289 A CN 117656289A CN 202311630345 A CN202311630345 A CN 202311630345A CN 117656289 A CN117656289 A CN 117656289A
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- temperature
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- hydrophilic
- melt index
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- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 32
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000008187 granular material Substances 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims abstract description 5
- 238000005303 weighing Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 18
- 238000004806 packaging method and process Methods 0.000 claims description 14
- 239000003963 antioxidant agent Substances 0.000 claims description 7
- 230000003078 antioxidant effect Effects 0.000 claims description 7
- CJOBVZJTOIVNNF-UHFFFAOYSA-N cadmium sulfide Chemical compound [Cd]=S CJOBVZJTOIVNNF-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 239000003999 initiator Substances 0.000 claims description 4
- 239000004014 plasticizer Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- IRERQBUNZFJFGC-UHFFFAOYSA-L azure blue Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[S-]S[S-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IRERQBUNZFJFGC-UHFFFAOYSA-L 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 239000002736 nonionic surfactant Substances 0.000 claims description 3
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 3
- DYUMLJSJISTVPV-UHFFFAOYSA-N phenyl propanoate Chemical compound CCC(=O)OC1=CC=CC=C1 DYUMLJSJISTVPV-UHFFFAOYSA-N 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 235000010215 titanium dioxide Nutrition 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000004743 Polypropylene Substances 0.000 description 7
- -1 polypropylene Polymers 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- 239000004744 fabric Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004750 melt-blown nonwoven Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a production process of a hydrophilic masterbatch for a non-woven fabric with low melt index, which comprises the following steps: preparing materials, cleaning and drying all raw materials, proportioning all raw materials according to parts by weight, putting the raw materials into mixing equipment, weighing all components, adding the components into a charging barrel, mixing the materials at a low speed, wherein the rotating speed of the low speed mixing is 60r/min, and uniformly mixing; the mixture is put into a feeding machine, the feeding machine is a double-screw feeding machine, the feeding machine is provided with a cooling water channel, the temperature of cooling water is controlled to be lower than the melting point temperature of the hydrophilic agent, and the mixture is ensured to enter a screw in a powder state; adding the materials into an extruder, and extruding and granulating after melting and mixing; and (3) dehydrating and drying the granulated material, crushing the material, and then sorting the crushed material to obtain uniform master batches. The generated master batch is a high-concentration hydrophilic master batch, and the hydrophilic master batch generally takes 3-7 days or even longer to have hydrophilic effect under the condition that the addition amount of the hydrophilic master batch is 2-4% in the production of non-woven fabric products.
Description
Technical Field
The invention relates to the technical field of hydrophilic master batch production, in particular to a production process of a hydrophilic master batch with low melt index for non-woven fabrics.
Background
The polypropylene melt-blown nonwoven fabric is an ultrafine short fiber nonwoven fabric which is formed by directly forming a net by melt spinning polypropylene slices, and when the polypropylene melt-blown nonwoven fabric can be used as a sanitary material, a filter material and a battery separator, the polypropylene melt-blown fabric is required to have certain moisture absorption capacity. However, because of the nonpolar structure and extremely strong crystallinity of polypropylene, polypropylene melt-blown cloth hardly absorbs moisture, and the polypropylene product is mainly subjected to after-finishing modification to achieve the hydrophilic effect in the market at present. But this way increases the equipment investment and also reduces the production speed. The other is to add the hydrophilic masterbatch of spunbonding to modify, but this formulation is not fit for and melt in the cloth, easy to block up the spinneret orifice, in addition, plastics in preparation, processing, storage and use, easy to take place oxidation reaction and appear the phenomenon of fading, yellowing, cracking, its tensile strength and impact strength, etc. mechanical properties reduce, and most plastic products are not able to bear ultraviolet radiation, can not use in the open air for a long time, therefore the oxidation resistance of the masterbatch has directly influenced the quality of plastic products, in addition, the equipment to prepare masterbatch is a single screw or double screw extruder generally, the masterbatch prepared through this way has convenient to use, simple and feasible, is favorable to pack, transport and store. And the functional auxiliary agent can be uniformly dispersed in the resin to play a role effectively, but the heat loss and other losses of the functional auxiliary agent are serious due to the limitation of conditions such as processing equipment, processing technology and the like in the masterbatch processing process.
Disclosure of Invention
(one) solving the technical problems
Aiming at the problems in the prior art, the invention provides a production process of a hydrophilic masterbatch with low melt index for non-woven fabrics, which aims to solve the technical problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: a production process of hydrophilic master batch for low melt index of non-woven fabrics comprises the following steps:
step one: preparing materials, cleaning and drying all raw materials, proportioning all raw materials according to parts by weight, putting the raw materials into mixing equipment, weighing all components, adding the components into a charging barrel, mixing at a low speed, wherein the rotating speed of the low speed mixing is 60r/min, and uniformly mixing;
step two: the mixture is put into a feeding machine, the feeding machine is a double-screw feeding machine, the feeding machine is provided with a cooling water channel, the temperature of cooling water is controlled to be lower than the melting point temperature of the hydrophilic agent, and the mixture is ensured to enter a screw in a powder state;
step three: adding the materials into an extruder with the rotating speed of 100-200r/min, and extruding and granulating after melt mixing at the temperature of 170-230 ℃;
step four: and (3) dehydrating and drying the granulated material, crushing the granulated material, sorting the crushed material to obtain uniform master batches, and packaging the uniform master batches.
The invention further provides that the raw materials screened out after screening in the step four are subjected to extrusion, crushing and screening treatment again.
The invention further provides the raw materials, which are weighed according to parts by weight, in the first step are 10-20 parts of hydrophilic agent, 30-50 parts of polyvinyl chloride resin, 20-30 parts of plasticizer, 10-16 parts of flame retardant, 0.3-0.8 part of initiator, 5-8 parts of antioxidant and 1-4 parts of toner.
The extruder is further provided with twelve zones, wherein the temperature of the first zone is 0 ℃, the temperature of the second zone is 50 ℃, the temperature of the third zone is 80 ℃, the temperature of the fourth zone is 120 ℃, the temperature of the fifth zone is 160 ℃, the temperature of the sixth zone is 175 ℃, the temperature of the seventh zone is 175 ℃, the temperature of the eighth zone is 170 ℃, the temperature of the ninth zone is 160 ℃, the temperature of the tenth zone is 155 ℃, the temperature of the eleventh zone is 155 ℃, and the temperature of the twelfth zone is 150 ℃.
The invention further provides that the antioxidant IV 1010 is pentaerythritol tetra (3, 5-di-tert-butyl-4-hydroxy) phenylpropionate.
The invention further provides that the hydrophilic agent is a nonionic surfactant.
The invention further provides that in the fourth step, the packaging is carried out in a sealing packaging mode, and the sealing packaging is packaged by an aluminum foil bag.
The invention is further provided that the toner is one of titanium white, cadmium yellow, cadmium orange, cadmium red, ferric oxide, ultramarine, mercury red, blue or carbon black.
The invention further provides that the crushing treatment comprises crushing and grain sizing processes, and the equipment used is a hammer crusher, a ring hammer crusher or a jaw crusher.
(III) beneficial effects
Compared with the prior art, the invention provides a production process of hydrophilic master batch for low melt index of non-woven fabrics, which has the following beneficial effects:
the master batch produced by the formula process can bring the hydrophilic effect to about 1-3 days in advance, and in addition, the continuous production process of kneading and extrusion granulation is adopted, so that the problems of easy bridging and uneven dispersion in the production process are effectively solved, and in addition, the hydrophilic master batch also has an antioxidation function, is durable in effect, has better stability and lower manufacturing cost, and in addition, the process raw materials are convenient to mix and have uniform mixing quality; the master batch is easy to disperse in plastic products.
Drawings
FIG. 1 is an overall flow chart of a process for producing hydrophilic masterbatch for nonwoven fabrics according to the invention.
Detailed Description
It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
Example 1:
referring to fig. 1, a process for producing hydrophilic masterbatch for non-woven fabrics with low melt index comprises the following steps:
step one: preparing materials, cleaning and drying all raw materials, proportioning all raw materials according to parts by weight, putting the raw materials into mixing equipment, weighing all components, adding the components into a charging barrel, mixing at a low speed, wherein the rotating speed of the low speed mixing is 60r/min, and uniformly mixing;
step two: the mixture is put into a feeding machine, the feeding machine is a double-screw feeding machine, the feeding machine is provided with a cooling water channel, the temperature of cooling water is controlled to be lower than the melting point temperature of the hydrophilic agent, and the mixture is ensured to enter a screw in a powder state;
step three: adding the materials into an extruder with the rotating speed of 100-200r/min, and extruding and granulating after melt mixing at the temperature of 170-230 ℃;
step four: and (3) dehydrating and drying the granulated material, crushing the granulated material, sorting the crushed material to obtain uniform master batches, and packaging the uniform master batches.
The raw materials are 10 parts of hydrophilic agent, 50 parts of polyvinyl chloride resin, 20 parts of plasticizer, 10 parts of flame retardant, 0.3 part of initiator, 5 parts of antioxidant and 3 parts of toner.
Example 2:
referring to fig. 1, a process for producing hydrophilic masterbatch for non-woven fabrics with low melt index comprises the following steps:
step one: preparing materials, cleaning and drying all raw materials, proportioning all raw materials according to parts by weight, putting the raw materials into mixing equipment, weighing all components, adding the components into a charging barrel, mixing at a low speed, wherein the rotating speed of the low speed mixing is 60r/min, and uniformly mixing;
step two: the mixture is put into a feeding machine, the feeding machine is a double-screw feeding machine, the feeding machine is provided with a cooling water channel, the temperature of cooling water is controlled to be lower than the melting point temperature of the hydrophilic agent, and the mixture is ensured to enter a screw in a powder state;
step three: adding the materials into an extruder with the rotating speed of 100-200r/min, and extruding and granulating after melt mixing at the temperature of 170-230 ℃;
step four: and (3) dehydrating and drying the granulated material, crushing the granulated material, sorting the crushed material to obtain uniform master batches, and packaging the uniform master batches.
The raw materials are 20 parts of hydrophilic agent, 50 parts of polyvinyl chloride resin, 20-30 parts of plasticizer, 10 parts of flame retardant, 0.8 part of initiator, 8 parts of antioxidant and 1 part of toner.
Example 3:
based on the above examples 1 and 2:
in the embodiment of the invention, after sieving in the fourth step, the sieved raw materials are extruded, crushed and sieved again.
In the embodiment of the invention, the extruder is provided with twelve areas, wherein the temperature of the first area is 0 ℃, the temperature of the second area is 50 ℃, the temperature of the third area is 80 ℃, the temperature of the fourth area is 120 ℃, the temperature of the fifth area is 160 ℃, the temperature of the sixth area is 175 ℃, the temperature of the seventh area is 175 ℃, the temperature of the eighth area is 170 ℃, the temperature of the ninth area is 160 ℃, the temperature of the tenth area is 155 ℃, the temperature of the eleventh area is 155 ℃, and the temperature of the twelve areas is 150 ℃.
In the embodiment of the invention, the antioxidant IV 1010 is pentaerythritol tetra (3, 5-di-tert-butyl-4-hydroxy) phenylpropionate.
In the embodiment of the invention, the hydrophilic agent is a nonionic surfactant.
In the embodiment of the invention, in the fourth step, the packaging is carried out in a sealing packaging mode, and the sealing packaging is packaged by adopting an aluminum foil bag.
In the embodiment of the invention, the toner is one of titanium white, cadmium yellow, cadmium orange, cadmium red, ferric oxide, ultramarine, mercury red, blue or carbon black.
In the embodiment of the invention, the crushing treatment comprises crushing and grain sizing processes, and the equipment is a hammer crusher, a ring hammer crusher or a jaw crusher.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The production process of the hydrophilic master batch for the low melt index of the non-woven fabric is characterized by comprising the following steps of:
step one: preparing materials, cleaning and drying all raw materials, proportioning all raw materials according to parts by weight, putting the raw materials into mixing equipment, weighing all components, adding the components into a charging barrel, mixing at a low speed, wherein the rotating speed of the low speed mixing is 60r/min, and uniformly mixing;
step two: the mixture is put into a feeding machine, the feeding machine is a double-screw feeding machine, the feeding machine is provided with a cooling water channel, the temperature of cooling water is controlled to be lower than the melting point temperature of the hydrophilic agent, and the mixture is ensured to enter a screw in a powder state;
step three: adding the materials into an extruder with the rotating speed of 100-200r/min, and extruding and granulating after melt mixing at the temperature of 170-230 ℃;
step four: and (3) dehydrating and drying the granulated material, crushing the granulated material, sorting the crushed material to obtain uniform master batches, and packaging the uniform master batches.
2. The process for producing hydrophilic masterbatch for low melt index of nonwoven fabric according to claim 1, characterized in that: and step four, after sieving, the sieved raw materials are subjected to extrusion, crushing and sieving treatment again.
3. The process for producing hydrophilic masterbatch for low melt index of nonwoven fabric according to claim 2, characterized in that: the raw materials weighed according to the weight parts in the first step are 10-20 parts of hydrophilic agent, 30-50 parts of polyvinyl chloride resin, 20-30 parts of plasticizer, 10-16 parts of flame retardant, 0.3-0.8 part of initiator, 5-8 parts of antioxidant and 1-4 parts of toner.
4. The process for producing hydrophilic masterbatch for low melt index of nonwoven fabric according to claim 1, characterized in that: the extruder has twelve zones, the temperature of the first zone is 0 ℃, the temperature of the second zone is 50 ℃, the temperature of the third zone is 80 ℃, the temperature of the fourth zone is 120 ℃, the temperature of the fifth zone is 160 ℃, the temperature of the sixth zone is 175 ℃, the temperature of the seventh zone is 175 ℃, the temperature of the eighth zone is 170 ℃, the temperature of the ninth zone is 160 ℃, the temperature of the tenth zone is 155 ℃, the temperature of the eleventh zone is 155 ℃, and the temperature of the twelfth zone is 150 ℃.
5. A process for producing hydrophilic masterbatch for low melt index of nonwoven fabric according to claim 3 characterized in that: the antioxidant IV 1010 is pentaerythritol tetra (3, 5-di-tert-butyl-4-hydroxy) phenylpropionate.
6. A process for producing hydrophilic masterbatch for low melt index of nonwoven fabric according to claim 3 characterized in that: the hydrophilic agent is a nonionic surfactant.
7. The process for producing hydrophilic masterbatch for low melt index of nonwoven fabric according to claim 1, characterized in that: and step four, packaging the packaging is carried out in a sealing packaging mode, and the sealing packaging is packaged by adopting an aluminum foil bag.
8. A process for producing hydrophilic masterbatch for low melt index of nonwoven fabric according to claim 3 characterized in that: the toner is one of titanium white, cadmium yellow, cadmium orange, cadmium red, ferric oxide, ultramarine, mercury red, blue or carbon black.
9. The process for producing hydrophilic masterbatch for low melt index of nonwoven fabric according to claim 6, characterized in that: the crushing treatment comprises crushing and grain sizing processes, and the equipment is a hammer crusher, a ring hammer crusher or a jaw crusher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311630345.0A CN117656289A (en) | 2023-12-01 | 2023-12-01 | Production process of hydrophilic master batch for low melt index of non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311630345.0A CN117656289A (en) | 2023-12-01 | 2023-12-01 | Production process of hydrophilic master batch for low melt index of non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117656289A true CN117656289A (en) | 2024-03-08 |
Family
ID=90065487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311630345.0A Pending CN117656289A (en) | 2023-12-01 | 2023-12-01 | Production process of hydrophilic master batch for low melt index of non-woven fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117656289A (en) |
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2023
- 2023-12-01 CN CN202311630345.0A patent/CN117656289A/en active Pending
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