CN107585384B - A kind of polytetrafluoroethyldispersion dispersion resin pail pack and its application - Google Patents
A kind of polytetrafluoroethyldispersion dispersion resin pail pack and its application Download PDFInfo
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- CN107585384B CN107585384B CN201610532091.2A CN201610532091A CN107585384B CN 107585384 B CN107585384 B CN 107585384B CN 201610532091 A CN201610532091 A CN 201610532091A CN 107585384 B CN107585384 B CN 107585384B
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Abstract
The present invention provides a kind of polytetrafluoroethyldispersion dispersion resin pail pack, and 3~5 support plates are provided in the polytetrafluoroethyldispersion dispersion resin pail pack, and the height of the support plate is high 0.8~1 times of bucket.A kind of method that the present invention also proposes storage and transportation polytetrafluoroethyldispersion dispersion resin.Spectacle case barrelling proposed by the present invention, for cylindrical hardboard bucket or polyvinyl chloride plastic charging basket, diameter and at high proportion control are 1.1~1.4, pail pack fixing fabric structure 60L~75L, inside support is plastic material partition, pail pack is divided into small space storage resin, by the support of partition, reduces conglomeration caused by mutual extrusion during resin transport stores.
Description
Technical field
The invention belongs to packing container fields, and in particular to a kind of for containing the container of polyflon.
Background technique
The excellent chemical corrosion resistance of polytetrafluoroethylene (PTFE), resistant of high or low temperature, resistance to ag(e)ing, low frictional properties, non-stick, physiology
Inertia makes it become indispensable special material in fields such as chemical industry, machinery, electrical, building, medical treatment, instead of previous tradition
Material, wherein polytetrafluoroethyldispersion dispersion resin processed and applied makes fiber, paste extruding pipe stick etc..But due to polytetrafluoroethyl-ne
The easily damaged fibrosis of alkene dispersion resin particle, transport storing process in, generate conglomeration the problems such as, cause processed and applied process
In, resin needs to be filtered by strong vibrating screen, but finally still generates more irreversible conglomeration resin, serious to restrict
It is used.
Patent CN103124763A discloses a kind of manufacturing method of fine polytetrafluoroethylpowder powder, it is characterized in that in coacervation process
In, surfactant is added, process is condensed using special blender, the processing easy to form of obtained resin solves
Super large particle there are problems, but there are clustering phenomena in package resin transportational process, to product in process
Stability has larger impact.Patent CN1942493A discloses a kind of preparation method of modified Teflon, it is characterized in that four
Fluoride monomers are polymerize with olefines comonomer, and obtained copolymer emulsion is diluted to 15%, is stirred by intense mechanical
It mixes, obtains dispersion resin, although the resin, by being modified, compression ratio improves, it is existing that there are conglomerations in package resin transportational process
As having larger impact to the stability of product in process.It is oil-free that patent CN101215347A discloses a kind of processing wide breadth
The polytetrafluoroethylene (PTFE) production method of low-density raw material band, it is characterized in that being obtained under certain process conditions by tetrafluoroethene homopolymerization
To polytetrafluoroethyldispersion dispersion resin lotion, drying course is agglomerated by the later period, obtains product, elongation is high, and suitable for making is raw
Material strip, but there are clustering phenomenas in package resin transportational process, have larger impact to the stability of product in process.
United States Patent (USP) US3819594 discloses a kind of tetrafluoroethene and perfluoroalkyl vinyl ether is copolymerized the tetrafluoro second to be formed
The preparation method of alkene fine powder resin, with perfluoro propyl vinyl ether or perfluoromethylvinyl when being included in emulsion polymerization tetrafluoroethene
Base ether is modified it, obtains the polymer containing 0.1 weight % modifying agent, the polymer is with the extrusion pressure of compression ratio 1600/1
The product that power obtains after squeezing out has preferable flex life in 39.2-63.7MPa, but there are conglomerations in package resin transportational process
Phenomenon has larger impact to the stability of product in process.It is total that United States Patent (USP) US4036802 discloses a kind of tetrafluoroethene
The preparation method of polymers fine powder resin, this method mainly carry out emulsion polymerization by modifying agent of perfluoro propyl vinyl ether.It obtains
Polytetrafluoroethylparticle particle be made of inside and outside two parts, internal copolymer content is than external high, total comonomer content in resin
It is 6/10000ths or so, which can coat electric wire within the scope of high compression ratio, but there are package resins to transport
Clustering phenomena in journey has larger impact to the stability of product in process.
China Patent Publication No. CN102344519A discloses a kind of modified Teflon suitable for processing capillary
The preparation method of dispersion resin, its main feature is that the perfluorooctanoic acid that paraffin, succinic acid, certain proportion combine is added in water phase
With fluorine carbocyclic ring ether, 70 DEG C are warming up to, a certain amount of hexafluoropropene and perfluoro propyl vinyl ether mixture is added, is passed through tetrafluoro second
Alkene monomer starts polymerization reaction, obtains four fluorine emulsions, and separation cohesion PTFE fine powder end is dried to obtain PTFE fine powder end, passes through paste
Shape squeezes out, and for compression ratio under the conditions of 1600/1, extrusion pressure reaches 43.7MPa, and extruding pipe is straight, smooth, soft.But there is tree
Clustering phenomena during rouge packed and transported has larger impact to the stability of product in process.
Summary of the invention
It is an object of the invention in view of the deficienciess of the prior art, to provide a kind of polytetrafluoroethyldispersion dispersion resin dedicated
Pail pack, during solution polytetrafluoroethyldispersion dispersion resin transport storage the problems such as easy to knot groups, resin, which is passed through, has internal prop up
It supports pail pack and carries out package encapsulation, resin transports not easy to knot groups in storing process, can satisfy production fiber, paste extruding pipe etc.
The process requirements in field.
Realize the technical solution of the object of the invention are as follows:
A kind of polytetrafluoroethyldispersion dispersion resin pail pack is provided with 3~5 in the polytetrafluoroethyldispersion dispersion resin pail pack
Piece support plate, the height of the support plate are high 0.8~1 times of bucket.
Wherein, the polytetrafluoroethyldispersion dispersion resin pail pack is the hardboard bucket or polyvinyl chloride plastic charging basket of cylinder,
The diameter of bucket and the ratio of height are 1.0~1.5.
Preferably, the polytetrafluoroethyldispersion dispersion resin packaging bucket volume is 60~75L；The support plate is plastics material
Matter.
Wherein, 3 support plates in the distribution of Y type are provided in the polytetrafluoroethyldispersion dispersion resin pail pack (from vertical view
Angle is seen as Y type), each support plate is each perpendicular to a barrel bottom, and space in bucket is divided into equal three parts by 3 support plates.
Or, being provided with 4 support plates in cross distribution in the polytetrafluoroethyldispersion dispersion resin pail pack (from depression angle
Degree is seen as cross), each support plate is each perpendicular to a barrel bottom, and space in bucket is divided into equal four parts by 4 support plates.
A kind of method that the present invention also proposes storage and transportation polytetrafluoroethyldispersion dispersion resin is in the polytetrafluoroethylene (PTFE) point
One layer of polybag is placed between the bucket wall and support plate of scattered package resin bucket, polytetrafluoroethyldispersion dispersion resin is packed into described poly- four
In vinyl fluoride dispersion resin pail pack, the sealing polybag is tied up, covers bung, bung is sealed (branch with sealing tape
Fagging be it is movable, have one layer of polybag between support plate and bucket wall).
Wherein, 20~25kg polytetrafluoroethyldispersion dispersion resin is placed in a polytetrafluoroethyldispersion dispersion resin pail pack.
In method of the present invention, the preparation process of the polytetrafluoroethyldispersion dispersion resin are as follows: tetrafluoroethylene monomer warp
It crosses homopolymerization or copolymerization obtains polytetrafluoroethyldispersion dispersion, which is obtained into polytetrafluoroethylene (PTFE) by the processes such as cohesion, dry
Dispersion resin.Resin is subjected to package encapsulation by having internal support pail pack, resin transports in storing process not easy to knot groups,
It can satisfy the process requirements in the fields such as production fiber, paste extruding pipe.
Wherein, tetrafluoroethylene monomer obtains polytetrafluoroethyldispersion dispersion by copolymerization, then is hexafluoro for the monomer of copolymerization
One of propylene, perfluoro methyl vinyl ether, perfluoro propyl vinyl ether, chlorotrifluoroethylene are a variety of.
The polymerization that polytetrafluoroethyldispersion dispersion resin uses in the present invention is conventionally known polymerization, such as lotion
Polymerization, co-polymeric.
Wherein, for the aqueous-phase reaction medium used for deionized water, dosage can be the 50-70% of reaction vessel volume.
Reaction pressure is 1.5-3.0MPa.Reaction temperature is 65-100 DEG C.Fluorine-containing surfactant is perfluorooctanoic acid or complete in water phase
Fluorine ammonium caprylate substitute, dosage are the 0.05-0.1% of deionized water quality.Stabilizer is solid paraffin, and fusing point is 56-58 DEG C,
Dosage is the 1-3% of deionized water quality.PH regulator is succinic acid, and dosage is the 100-300ppm of deionized water quality.Draw
Hair agent is persulfuric acid salt initiator, and additional amount is the 3-5ppm of deionized water quality.
Comonomer is hexafluoropropene, perfluoro methyl vinyl ether, perfluoro propyl vinyl ether, trifluoro in copolymerization process
One of vinyl chloride is a variety of, and additional amount is the 0.05-0.15% of deionized water quality.
The beneficial effects of the present invention are:
Spectacle case barrelling proposed by the present invention, for cylindrical hardboard bucket or polyvinyl chloride plastic charging basket, diameter and high proportion
In 1.1~1.4, pail pack fixing fabric structure 60L~75L, inside support is plastic material partition for control, pail pack is divided into small
Space stores resin, by the support of partition, reduces conglomeration caused by mutual extrusion during resin transport stores.Utilize this side
Method packed and transported stores polytetrafluoroethyldispersion dispersion resin, and resin conglomeration amount is reduced, and can satisfy production fiber, paste extruding pipe etc.
The process requirements in field.
Detailed description of the invention
Fig. 1, the polytetrafluoroethyldispersion dispersion resin pail pack of three leaf support plates.
Fig. 2, the polytetrafluoroethyldispersion dispersion resin pail pack of four leaf support plates.
Specific embodiment
Following embodiment further illustrates the contents of the present invention, but should not be construed as limiting the invention.Without departing substantially from
In the case where spirit of that invention and essence, to modifications or substitutions made by the method for the present invention, step or condition, the present invention is belonged to
Range.
Unless otherwise specified, the conventional means that technological means used in embodiment is well known to those skilled in the art.
Embodiment 1
Referring to Fig. 1, polytetrafluoroethyldispersion dispersion resin, the pail pack used is provided with movable three leaves branch for hardboard bucket
Fagging.Bucket diameter and high proportion are 1.1, volume 60L.Polyethylene film pocket is first placed in bucket, places three leaf plastics in pocket
Support plate, support plate height are high 0.9 of bucket, and 3 be arranged in pail pack are in the support plate of Y type distribution (in terms of depression angle
For Y type) it is each perpendicular to a barrel bottom, space in bucket is divided into equal three parts by 3 support plates.
The preparation method of resin is the same as patent CN104311717A.Resin 25kg is placed in bucket, ties up close sealing film pocket,
The bung of sealing tape sealed packing pail is used again, and usual channel is transported and stored 1 year, and resin in bucket is passed through 20 mesh screen mistakes
Filter, obtains conglomeration material 0.23kg.
Embodiment 2:
Referring to fig. 2, polytetrafluoroethyldispersion dispersion resin, the pail pack used is polyvinyl chloride plastic charging basket, diameter and high proportion
It is 1.1, volume 60L, bucket is interior to place polyethylene film pocket, four leaf plastic support boards is placed in pocket, support plate height is bucket
High 0.9,4 support plates (being seen as from depression angle cross) in cross distribution are each perpendicular to a barrel bottom, and 4 support plates are by bucket
Interior space is divided into equal four parts.
Ternary polymerization polyflon is copolymerized shape by tetrafluoroethene, Fluorine containing olefine and perfluor (alkyl vinyl ether)
At.Resin 25kg is placed in bucket, support plate and resin are placed in plastic film bag, and plastic film bag is placed in bucket.Sealing
Plastic film bag and pail pack, usual channel are transported and are stored 1 year, and resin in bucket is passed through 20 mesh net filtrations, is tied
Group material 0.43kg.
Embodiment 3:
Using existing homopolymerization technology, obtain polytetrafluoroethyldispersion dispersion resin, the pail pack diameter used and at high proportion for
1.1, volume 70L, bucket is interior to place polyethylene film pocket, and three leaf plastic support boards are placed in pocket, and support plate height is bucket height
0.9, place resin 25kg, sealing film pocket and pail pack in bucket, usual channel transport and storage 1 year, by resin in bucket
By 20 mesh net filtrations, conglomeration material 0.31kg is obtained.
Other structures and operation are the same as embodiment 1.
Embodiment 4:
Using well-known technique, obtained polytetrafluoroethyldispersion dispersion resin, the pail pack diameter used and at high proportion for 1.4,
Volume 75L, bucket is interior to place polyethylene film pocket, three leaf plastic support boards is placed in pocket, support plate height is that bucket is high
0.9, bucket is interior to place resin 25kg, sealing film pocket and pail pack, and other structures and operation are the same as embodiment 1.
Usual channel is transported and is stored 1 year, and resin in bucket is passed through 20 mesh net filtrations, obtains conglomeration material 0.20kg.
Embodiment 5:
Using well-known technique, obtained polytetrafluoroethyldispersion dispersion resin, the pail pack diameter used and at high proportion for 1.4,
Volume 75L, bucket is interior to place polyethylene film pocket, four leaf plastic support boards is placed in pocket, support plate height is that bucket is high
0.9, bucket is interior to place resin 25kg, sealing film pocket and pail pack, and usual channel is transported and stored 1 year, resin in bucket is passed through
20 mesh net filtrations are crossed, conglomeration material 0.28kg is obtained.
Other structures and operation are the same as embodiment 2.
Embodiment 6:
Using well-known technique, obtained polytetrafluoroethyldispersion dispersion resin, the pail pack diameter used and at high proportion for 1.2,
Volume 65L, bucket is interior to place polyethylene film pocket, three leaf plastic support boards is placed in pocket, support plate height is that bucket is high
0.9, bucket is interior to place resin 25kg, sealing film pocket and pail pack, and usual channel is transported and stored 1 year, resin in bucket is passed through
20 mesh net filtrations are crossed, conglomeration material 0.18kg is obtained.
Other structures and operation are the same as embodiment 1.
Comparative example 1:
Using well-known technique, obtained polytetrafluoroethyldispersion dispersion resin, the pail pack diameter used and at high proportion for 1.1,
Volume 60L, bucket is interior to place polyethylene film pocket, resin 25kg, sealing film pocket and pail pack is placed in pocket, normally on the way
Diameter is transported and is stored 1 year, and resin in bucket is passed through 20 mesh net filtrations, obtains conglomeration material 2.31kg.
Comparative example 2:
Using well-known technique, obtained polytetrafluoroethyldispersion dispersion resin, the pail pack diameter used and at high proportion for 1.4,
Volume 75L, bucket is interior to place polyethylene film pocket, resin 25kg, sealing film pocket and pail pack is placed in pocket, normally on the way
Diameter is transported and is stored 1 year, and resin in bucket is passed through 20 mesh net filtrations, obtains conglomeration material 2.27kg.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of method of storage and transportation polytetrafluoroethyldispersion dispersion resin, which is characterized in that use
A kind of polytetrafluoroethyldispersion dispersion resin pail pack is provided with support plate in the polytetrafluoroethyldispersion dispersion resin pail pack,
The height of the support plate is high 0.8~1 times of bucket；
3 support plates in the distribution of Y type are provided in the polytetrafluoroethyldispersion dispersion resin pail pack, each support plate is each perpendicular to
Space in bucket is divided into equal three parts by bucket bottom, 3 support plates；
Or, being provided with 4 support plates in cross distribution in the polytetrafluoroethyldispersion dispersion resin pail pack, each support plate is hung down
Directly in bucket bottom, space in bucket is divided into equal four parts by 4 support plates；
The method are as follows: one layer of plastics are placed between the bucket wall and support plate of the polytetrafluoroethyldispersion dispersion resin pail pack
Polytetrafluoroethyldispersion dispersion resin is fitted into the polytetrafluoroethyldispersion dispersion resin pail pack by bag, ties up the sealing plastics
Bag, covers bung, bung is sealed with sealing tape.
2. the method according to claim 1, wherein the polytetrafluoroethyldispersion dispersion resin pail pack is cylinder
Hardboard bucket or polyvinyl chloride plastic charging basket, the ratio of the diameter of bucket and height is 1.0~1.5.
3. the method according to claim 1, wherein polytetrafluoroethyldispersion dispersion resin packaging bucket volume is 60
~75L；The support plate is plastic material.
4. the method according to claim 1, wherein placing 20 in a polytetrafluoroethyldispersion dispersion resin pail pack
~25kg polytetrafluoroethyldispersion dispersion resin.
5. method according to claim 1 or 4, which is characterized in that the polytetrafluoroethyldispersion dispersion resin passes through with lower section
Prepared by method: tetrafluoroethylene monomer obtains polytetrafluoroethyldispersion dispersion by homopolymerization or copolymerization, which by cohesion and is done
It is dry, obtain polytetrafluoroethyldispersion dispersion resin.
6. according to the method described in claim 5, it is characterized in that, tetrafluoroethylene monomer obtains polytetrafluoroethylene (PTFE) point by copolymerization
Dispersion liquid, the monomer for copolymerization are hexafluoropropene, in perfluoro methyl vinyl ether, perfluoro propyl vinyl ether, chlorotrifluoroethylene
It is one or more.
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| CN201610532091.2A CN107585384B (en) | 2016-07-07 | 2016-07-07 | A kind of polytetrafluoroethyldispersion dispersion resin pail pack and its application |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2576619Y (en) * | 2002-09-10 | 2003-10-01 | 岳冬冬 | Multifunction separation plastic pail |
| CN103124749A (en) * | 2010-09-30 | 2013-05-29 | 大金工业株式会社 | Process for producing polytetrafluoroethylene fine powder |
| CN104311717A (en) * | 2014-11-17 | 2015-01-28 | 中昊晨光化工研究院有限公司 | Preparation method for Teflon dispersion resin for squeezing tube and obtained products |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080308560A1 (en) * | 2007-06-14 | 2008-12-18 | Glenn Summerfield | Bucket divider for tool transport |
| US20110100999A1 (en) * | 2009-11-03 | 2011-05-05 | Dennis Wayne Clayton | Bucket divider |
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- 2016-07-07 CN CN201610532091.2A patent/CN107585384B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2576619Y (en) * | 2002-09-10 | 2003-10-01 | 岳冬冬 | Multifunction separation plastic pail |
| CN103124749A (en) * | 2010-09-30 | 2013-05-29 | 大金工业株式会社 | Process for producing polytetrafluoroethylene fine powder |
| CN104311717A (en) * | 2014-11-17 | 2015-01-28 | 中昊晨光化工研究院有限公司 | Preparation method for Teflon dispersion resin for squeezing tube and obtained products |
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