CN104231382A - Long-acting alga attachment preventing rotationally-moulded polyethylene material and preparation method thereof - Google Patents
Long-acting alga attachment preventing rotationally-moulded polyethylene material and preparation method thereof Download PDFInfo
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- CN104231382A CN104231382A CN201410381473.0A CN201410381473A CN104231382A CN 104231382 A CN104231382 A CN 104231382A CN 201410381473 A CN201410381473 A CN 201410381473A CN 104231382 A CN104231382 A CN 104231382A
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- 229920000573 polyethylene Polymers 0.000 title claims abstract description 98
- -1 polyethylene Polymers 0.000 title claims abstract description 98
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 96
- 239000000463 material Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229940043810 zinc pyrithione Drugs 0.000 claims abstract description 36
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical compound [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000002156 mixing Methods 0.000 claims abstract description 28
- 238000000227 grinding Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims description 39
- 238000007254 oxidation reaction Methods 0.000 claims description 39
- 239000003112 inhibitor Substances 0.000 claims description 33
- 238000000465 moulding Methods 0.000 claims description 33
- 238000006735 epoxidation reaction Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 21
- 229920003023 plastic Polymers 0.000 claims description 18
- 239000004033 plastic Substances 0.000 claims description 18
- 101100271175 Oryza sativa subsp. japonica AT10 gene Proteins 0.000 claims description 16
- 239000006096 absorbing agent Substances 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 10
- 238000005453 pelletization Methods 0.000 claims description 10
- 238000003801 milling Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 abstract description 5
- 241000195493 Cryptophyta Species 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000002991 molded plastic Substances 0.000 abstract 1
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 26
- 239000001993 wax Substances 0.000 description 24
- 239000003619 algicide Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 9
- 238000001175 rotational moulding Methods 0.000 description 9
- 238000005469 granulation Methods 0.000 description 6
- 230000003179 granulation Effects 0.000 description 6
- 230000006698 induction Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920000092 linear low density polyethylene Polymers 0.000 description 4
- 239000004707 linear low-density polyethylene Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000005923 long-lasting effect Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005791 algae growth Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 1
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention relates to a modified polyethylene composite and particularly relates to a long-acting alga attachment preventing rotationally-moulded polyethylene material. According to a formula, the long-acting alga attachment preventing rotationally-moulded polyethylene material is prepared from the raw materials in percentage by mass: 87.9-99.56% of polyethylene, 0.2-10% of zinc pyrithione, 0.02-1% of epoxidized polyethylene wax, 0.12-0.6% of antioxidant and 0.1-0.5% of anti-ultraviolet agent through the steps of coating, mixing, melt blending, extrusion granulating and grinding. The invention also provides a preparation method of the long-acting alga attachment preventing rotationally-moulded polyethylene material. Algae can be prevented from being attached on a rotationally-moulded plastic product by using the rotationally-moulded polyethylene material prepared by using the preparation method; and the long-acting alga attachment preventing rotationally-moulded polyethylene material also has a long-acting effect and long effective time up to 10 years.
Description
Technical field
The present invention relates to a kind of modified poly ethylene matrix material, polythene material that particularly there is long-acting anti-algae attached function, that be applicable to rotational moulding production technique and preparation method thereof.
Background technology
Because algaecide Zinc Pyrithione is polar material, incompatible with nonpolar polyethylene base material thermodynamics, algaecide is caused constantly from polyethylene base material, to move out of outside surface, and be dissolved in the water, cause the successive losses of algaecide, under regular situation, along with the continuous migration of algaecide, the anti-algae ability of plastics progressively reduces, and loses efficacy within a certain period of time.
Rotational moulding complete processing can manufacture the goods of paddling such as oceanographic buoy, boat, fishing boat, mostly reaches 5-10 working life, but prior art does not effectively solve the speed of separating out problem of algaecide in plastics.Such as:
Publication number is a kind of anti-algae fishing net of Chinese invention of CN103757732A, and disclose and use polyethylene, polyoxyethylene and algaecide Zinc Pyrithione and other auxiliary agents to be processed into a kind of anti-algae fishing net, being convenient to cleaning also can prolongs life.Its technical scheme focuses on the work-ing life of improving polyethylene base mateiral, does not relate to the long-acting use problem of algaecide, does not also announce relevant long-acting usage data.
Publication number is a kind of sustained-release anti-algae antibacterial agent of Chinese invention of CN102197829A and preparation method thereof, discloses and uses carrier zirconium phosphate absorption sintering algaecide, make algaecide produce the technical scheme of slow release effect.This invention does not announce slow release effect data.Because the technical scheme of this invention dilutes more than 5 times to major general's algaecide, algaecide addition is in the plastic caused significantly to increase, in rotational moulding production technique, the shock resistance of polythene material used will be reduced rapidly, cause goods to lose using function, be therefore not suitable for rotational molding technique processing.
Summary of the invention
For the shortcoming and defect that above-mentioned prior art exists, first object of the present invention is to provide a kind of rotation molding polyethylene material of long-acting anti-algae attachment, and next is to provide the preparation method of this rotation molding polyethylene material.
For realizing goal of the invention of the present invention, contriver provides following technical scheme:
A rotation molding polyethylene material for long-acting anti-algae attachment, composition of raw materials is by mass percentage:
Polyethylene 87.9-99.56%, Zinc Pyrithione 0.2-10%, epoxidation polyethylene wax 0.02-1%, oxidation inhibitor 0.12-0.6% and anti UV agent 0.1-0.5%, then the rotation molding polyethylene material obtaining described long-acting anti-algae attachment through coated, mixing, melt blending, extruding pelletization and abrasive dust.
Contriver finds under study for action, the epoxidation polyethylene wax of high percentage of grafting is used to carry out coated to Zinc Pyrithione, the carboxyl in epoxy polyethylene wax and epoxy group(ing) and algaecide Zinc Pyrithione can be made to carry out moiety chelates, thus reduce the speed of separating out of Zinc Pyrithione in polyethylene, thus long-acting effect can be produced.By the Zinc Pyrithione that composite polyethylene material surface is progressively separated out, restraining effect is produced to marine algae growth, the object preventing algae from adhering in surface of plastic products can be reached; By using the coated process Zinc Pyrithione of epoxidation base ethylene waxes, the travelling speed of Zinc Pyrithione in this composite polyethylene material is reduced, dissolved by seawater causes the speed of loss of effective components to drop to every 1000 hours less than 0.1% simultaneously, reaches the long-acting object of anti-algae attachment.Rotational moulding complete processing can manufacture the goods of paddling such as oceanographic buoy, boat, fishing boat, working life reaches 5-10 mostly, the present invention efficiently solves the speed of separating out problem of algaecide in plastics, greatly extends the life-span of the anti-algae function of correlated product, has the meaning of reality.
Preferably, according to the rotation molding polyethylene material of a kind of long-acting anti-algae attachment of the present invention, wherein, described polyethylene meets: density is 0.910-0.965g/cm
3, melt flow rate (MFR) (190 DEG C, 2.16Kg) is 1.0-20.0g/10min.This raw material is commercially available prod, buys rear direct use from manufacturer.The poly preferred trade mark is the LLDPE LL8446.21 of Exxon Mobil Corporation, the LLDPE 735RU of company of Siam of Thailand, the LLDPE R901U of Samsung of Korea S, LLDPE China Petrochemical Industry good fortune refining DNDA-8320, the HDPE 5000S of company of PetroChina Company Limited., the LDPE China Petrochemical Industry Yanshan Mountain 1C7A of China Petrochemical Industry Company of China Petrochemical Industry Company.
Preferably, according to the rotation molding polyethylene material of a kind of long-acting anti-algae attachment of the present invention, wherein, purity >=80% of described Zinc Pyrithione.This raw material is commercially available prod, and No. CAS is 13463-41-7, and molecular formula is C
10h
8n
2o
2s
2zn.
Preferably, according to the rotation molding polyethylene material of a kind of long-acting anti-algae attachment of the present invention, wherein, percentage of grafting >=1.8% of described epoxidation polyethylene wax, molecular weight 1000-8000.The epoxidation polyethylene wax of the model HY-3502G of sea, Hangzhou one macromolecular material company is used, percentage of grafting 2.1%, molecular weight 3500 in the present invention.
Preferably, according to the rotation molding polyethylene material of a kind of long-acting anti-algae attachment of the present invention, wherein, described oxidation inhibitor adopts oxidation inhibitor AT10 and AT168, and the mass ratio of the two is 1:2.Oxidation inhibitor AT10 and AT168 is commercially available prod, and the present invention adopts oxidation inhibitor AT10 and AT168 of Albemarle Corporation of the U.S..
Preferably, according to the rotation molding polyethylene material of a kind of long-acting anti-algae attachment of the present invention, wherein, described anti UV agent adopts UV-3638F uv-absorbing agent.This raw material is commercially available prod, and the present invention adopts the special UV light absorber UV-3638F of the cyanogen of Qing Te company of the U.S..
Preferably, according to the rotation molding polyethylene material of a kind of long-acting anti-algae attachment of the present invention, wherein, the described coated process Zinc Pyrithione of the coated epoxidation polyethylene wax referred in raw material.Experiment shows, the every 1000h average discharge rate of Zinc Pyrithione in 40 DEG C of aqueous solution of the rotation molding polyethylene material after the present invention is coated is 0.05%-0.1%.
After testing, rotation molding polyethylene material of the present invention, 200 DEG C of oxidation induction time >=20min, are applicable to rotational moulding production technique.Test according to GB/T 24127-2009 " plastics anti-algae performance test method ", result is 1 grade or 0 grade.
Present invention also offers the preparation method of the rotation molding polyethylene material of above-mentioned a kind of long-acting anti-algae attachment, carry out according to the following steps:
A. Zinc Pyrithione and epoxidation polyethylene wax are pressed recipe requirements mixing, in seed-coating machine, make epoxidation polyethylene wax carry out coated process to zinc pyrithione, the processing parameter of coated process is: temperature 50-120 DEG C, rotating speed 2-20rpm, coated time 3-10min
B. polyethylene, Zinc Pyrithione, oxidation inhibitor and anti UV agent after a step process are fully mixed, processing parameter is: mixing time 2-10 min,
C. use twin screw extruder melt blending, extruding pelletization, procession parameters: melt temperature is 150-210 DEG C, screw speed is 100-500 rpm,
D. with plastic grinder, the particle of step c output is carried out abrasive dust, milling process parameter: mill temperature≤75 DEG C, speed of grinding plate 2500-3200rpm.
Rotation molding polyethylene material of the present invention also can comprise any common additive as fire retardant, photostabilizer, wax, pigment or analogue.
Rotation molding polyethylene material of the present invention may be used for preparing oceanographic buoy, satellite-navigation buoy, harbour buoyancy tank, peculiar to vessel by the rotational moulding plastics with water body Long Term Contact such as the side of a ship, fishing boat, yacht.
The invention has the beneficial effects as follows:
(1) the rotation molding polyethylene material that the present invention obtains can prevent the attachment of algae on rotational moulding plastics, and has long-lasting, is 10 years working lipe.
(3) preparation method of the present invention is simple, without the need to complex apparatus, easily realizes industrial operation.
Embodiment
Below in conjunction with embodiment, further illustrate content of the present invention.Should be appreciated that enforcement of the present invention is not limited to the following examples, any pro forma accommodation make the present invention and/or change all will fall into scope.
In the present invention, if not refer in particular to, all parts, per-cent are weight unit, and all equipment and raw material etc. all can be buied from market or the industry is conventional.If without specializing, the method that embodiment adopts is this area current techique.
Embodiment 1
Get polyethylene (density 0.936g/cm
3, melt flow rate (MFR) [190 DEG C, 2.16Kg] be 5g/10min), the special UV light absorber UV-3638F of Zinc Pyrithione (purity>=80%), epoxidation polyethylene wax, oxidation inhibitor AT10, oxidation inhibitor AT168, cyanogen, be 100 parts according to total mass number, each feed composition mass ratio is polyethylene: Zinc Pyrithione: epoxidation polyethylene wax: oxidation inhibitor AT10: oxidation inhibitor AT168: the special UV light absorber UV-3638F=93.4:5:0.5:0.2:0.4:0.5 of cyanogen.
Zinc Pyrithione and epoxidation polyethylene wax are mixed in proportion, carry out coated in seed-coating machine, cladding process parameter is: temperature 60 C, rotating speed 16rpm, coated time 5min; Again all the other components are added mixing, mixing time 8 min; By the material twin screw extruder melt blending mixed, extruding pelletization, procession parameters: melt temperature is 195-205 DEG C, screw speed is 400 rpm; Finally particle good for granulation is carried out abrasive dust, milling process parameter with plastic grinder: mill temperature 65 DEG C, speed of grinding plate 2800rpm.
The rotation molding polyethylene material property obtained is in table 1.
Embodiment 2
Get polyethylene (density 0.925g/cm
3, melt flow rate (MFR) [190 DEG C, 2.16Kg] be 20g/10min), the special UV light absorber UV-3638F of Zinc Pyrithione (purity>=80%), epoxidation polyethylene wax, oxidation inhibitor AT10, oxidation inhibitor AT168, cyanogen, be 100 parts according to total mass number, each feed composition mass ratio is polyethylene: Zinc Pyrithione: epoxidation polyethylene wax: oxidation inhibitor AT10: oxidation inhibitor AT168: the special UV light absorber UV-3638F=99.16:0.2:0.02:0.04:0.08:0.5 of cyanogen.
Zinc Pyrithione and epoxidation polyethylene wax are mixed in proportion, carry out coated in seed-coating machine, cladding process parameter is: temperature 60 C, rotating speed 16rpm, coated time 5min; Again all the other components are added mixing, mixing time 8 min; By the material twin screw extruder melt blending mixed, extruding pelletization, procession parameters: melt temperature is 195-205 DEG C, screw speed is 400 rpm; Finally particle good for granulation is carried out abrasive dust, milling process parameter with plastic grinder: mill temperature 65 DEG C, speed of grinding plate 2800rpm.
The rotation molding polyethylene material property obtained is in table 1.
Embodiment 3
Get polyethylene (density 0.952g/cm
3, melt flow rate (MFR) [190 DEG C, 2.16Kg] be 1g/10min), the special UV light absorber UV-3638F of Zinc Pyrithione (purity>=80%), epoxidation polyethylene wax, oxidation inhibitor AT10, oxidation inhibitor AT168, cyanogen, be 100 parts according to total mass number, each feed composition mass ratio is polyethylene: Zinc Pyrithione: epoxidation polyethylene wax: oxidation inhibitor AT10: oxidation inhibitor AT168: the special UV light absorber UV-3638F=88.2:10:1:0.1:0.2:0.5 of cyanogen.
Zinc Pyrithione and epoxidation polyethylene wax are mixed in proportion, carry out coated in seed-coating machine, cladding process parameter is: temperature 60 C, rotating speed 16rpm, coated time 5min; Again all the other components are added mixing, mixing time 8 min; By the material twin screw extruder melt blending mixed, extruding pelletization, procession parameters: melt temperature is 195-205 DEG C, screw speed is 400 rpm; Finally particle good for granulation is carried out abrasive dust, milling process parameter with plastic grinder: mill temperature 65 DEG C, speed of grinding plate 2800rpm.
The rotation molding polyethylene material property obtained is in table 1.
Embodiment 4
Get polyethylene (density 0.918g/cm
3, melt flow rate (MFR) [190 DEG C, 2.16Kg] be 7g/10min), the special UV light absorber UV-3638F of Zinc Pyrithione (purity>=80%), epoxidation polyethylene wax, oxidation inhibitor AT10, oxidation inhibitor AT168, cyanogen, be 100 parts according to total mass number, each feed composition mass ratio is polyethylene: Zinc Pyrithione: epoxidation polyethylene wax: oxidation inhibitor AT10: oxidation inhibitor AT168: the special UV light absorber UV-3638F=94:5:0.2:0.1:0.2:0.5 of cyanogen.
Zinc Pyrithione and epoxidation polyethylene wax are mixed in proportion, carry out coated in seed-coating machine, cladding process parameter is: temperature 60 C, rotating speed 16rpm, coated time 5min; Again all the other components are added mixing, mixing time 8 min; By the material twin screw extruder melt blending mixed, extruding pelletization, procession parameters: melt temperature is 195-205 DEG C, screw speed is 400 rpm; Finally particle good for granulation is carried out abrasive dust, milling process parameter with plastic grinder: mill temperature 65 DEG C, speed of grinding plate 2800rpm.
The rotation molding polyethylene material property obtained is in table 1.
Comparative example 1
Get the special UV light absorber UV-3638F of polyethylene, Zinc Pyrithione, oxidation inhibitor AT10, oxidation inhibitor AT168 and cyanogen, be 100 parts according to total mass number, each feed composition mass ratio is polyethylene: Zinc Pyrithione: oxidation inhibitor AT10: irgasfos 168: the special UV light absorber UV-3638F=94.2:5:0.1:0.2:0.5 of cyanogen.
All feed composition are mixed in proportion, mixing time 8 min; By the material twin screw extruder melt blending mixed, extruding pelletization, procession parameters: melt temperature is 195-205 DEG C, screw speed is 400 rpm; Finally with plastic grinder, particle good for granulation is carried out abrasive dust; Milling process parameter: mill temperature 65 DEG C, speed of grinding plate 2800rpm.
The composite polyethylene material performance obtained is in table 1.
Comparative example 2
Get polyethylene, epoxidation polyethylene wax, oxidation inhibitor AT10, oxidation inhibitor AT168, the special UV light absorber UV-3638F of cyanogen, be 100 parts according to total mass number, each feed composition mass ratio is polyethylene: epoxidation polyethylene wax: oxidation inhibitor AT10: oxidation inhibitor AT168: the special UV light absorber UV-3638F=98.2:1:0.1:0.2:0.5 of cyanogen.
All feed composition are mixed in proportion, mixing time 8 min; By the material twin screw extruder melt blending mixed, extruding pelletization, procession parameters: melt temperature is 195-205 DEG C, screw speed is 400 rpm; Finally with plastic grinder, particle good for granulation is carried out abrasive dust; Milling process parameter: mill temperature 65 DEG C, speed of grinding plate 2800rpm.
The composite polyethylene material performance obtained is in table 1.
Table 1
| Project | 1000h release rate (%) | Antibacterial grade (level) | Oxidation induction time (min) |
| Embodiment 1 | 0.06 | 0 | 45 |
| Embodiment 2 | 0.06 | 1 | 20 |
| Embodiment 3 | 0.1 | 0 | 45 |
| Embodiment 4 | 0.09 | 0 | 46 |
| Comparative example 1 | 7.5 | 0 | 45 |
| Comparative example 2 | — | 4 | 43 |
Note: all samples becomes 4mm thickness model to test through rotation molding, antibacterial grade is tested according to standard GB/T 24127 " plastics anti-algae performance test method "; Oxidation induction time is tested, probe temperature 200 DEG C according to GB GB19466.6-2009 " plastics dsc (DSC) the 6th part: the mensuration of oxidation induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) "; The test of 1000h average discharge rate is tested according to 6.7 clauses in GBT 23348-2009 " slow release fertilizer ", and temperature is (40 ± 1) DEG C, time 1000h, and measurement element is zine ion.
The result of table 1 illustrates that rotation molding polyethylene material prepared by the present invention has good algae adhesion property, and has long-lasting, and oxidation induction period is long, is applicable to rotational molding technique and produces.
Claims (8)
1. a rotation molding polyethylene material for long-acting anti-algae attachment, is characterized in that described rotation molding polyethylene material feedstock formula is by mass percentage:
Polyethylene 87.9-99.56%, Zinc Pyrithione 0.2-10%, epoxidation polyethylene wax 0.02-1%, oxidation inhibitor 0.12-0.6% and anti UV agent 0.1-0.5%, then the rotation molding polyethylene material obtaining described long-acting anti-algae attachment through coated, mixing, melt blending, extruding pelletization and abrasive dust.
2. the rotation molding polyethylene material of a kind of long-acting anti-algae attachment according to claim 1, it is characterized in that, described polyethylene meets: density is 0.910-0.965g/cm
3, melt flow rate (MFR) is 1.0-20.0g/10min.
3. the rotation molding polyethylene material of a kind of long-acting anti-algae attachment according to claim 1, is characterized in that, purity >=80% of described Zinc Pyrithione.
4. the rotation molding polyethylene material of a kind of long-acting anti-algae attachment according to claim 1, is characterized in that, percentage of grafting >=1.8% of described epoxidation polyethylene wax, molecular weight 1000-8000.
5. the rotation molding polyethylene material of a kind of long-acting anti-algae attachment according to claim 1, it is characterized in that, described oxidation inhibitor adopts oxidation inhibitor AT10 and AT168, and the mass ratio of the two is 1:2.
6. the rotation molding polyethylene material of a kind of long-acting anti-algae attachment according to claim 1, it is characterized in that, described anti UV agent adopts UV light absorber UV-3638F.
7. the rotation molding polyethylene material of a kind of long-acting anti-algae attachment according to claim 1, is characterized in that, the described coated process Zinc Pyrithione of the coated epoxidation polyethylene wax referred in raw material.
8. the preparation method of the rotation molding polyethylene material of a kind of long-acting anti-algae attachment as described in one of claim 1-7, is characterized in that carrying out according to the following steps:
A. Zinc Pyrithione and epoxidation polyethylene wax are pressed recipe requirements mixing, in seed-coating machine, make epoxidation polyethylene wax carry out coated process to zinc pyrithione, the processing parameter of coated process is: temperature 50-120 DEG C, rotating speed 2-20rpm, coated time 3-10min
B. polyethylene, Zinc Pyrithione, oxidation inhibitor and anti UV agent after a step process are fully mixed, processing parameter is: mixing time 2-10 min,
C. use twin screw extruder melt blending, extruding pelletization, procession parameters: melt temperature is 150-210 DEG C, screw speed is 100-500 rpm,
D. with plastic grinder, the particle of step c output is carried out abrasive dust, milling process parameter: mill temperature≤75 DEG C, speed of grinding plate 2500-3200rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381473.0A CN104231382B (en) | 2014-08-06 | 2014-08-06 | A kind of rotation molding polyethylene material of long-acting anti-algae attachment and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410381473.0A CN104231382B (en) | 2014-08-06 | 2014-08-06 | A kind of rotation molding polyethylene material of long-acting anti-algae attachment and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104231382A true CN104231382A (en) | 2014-12-24 |
| CN104231382B CN104231382B (en) | 2016-09-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105254989A (en) * | 2015-09-23 | 2016-01-20 | 浙江瑞堂塑料科技有限公司 | Electric breakdown-resistant permanently-antistatic rotational molding polyethylene composite material |
| CN111748151A (en) * | 2020-07-16 | 2020-10-09 | 上海威露美生物科技有限公司 | Antibacterial, mildew-proof and algae-resistant high-molecular polymer and preparation method thereof |
| CN112063065A (en) * | 2020-08-14 | 2020-12-11 | 厦门美科安防科技有限公司 | Preparation method of polyethylene wax-based nano-silver antibacterial material and application of polyethylene wax-based nano-silver antibacterial material in polyethylene injection molding products |
| CN110271125B (en) * | 2019-06-27 | 2021-07-16 | 江苏科罗普海事科技有限公司 | Forming method of ocean buoy shell |
| CN114058108A (en) * | 2021-11-30 | 2022-02-18 | 泛海海工(山东)智能装备有限公司 | Long-acting broad-spectrum antibacterial polyethylene material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105254989A (en) * | 2015-09-23 | 2016-01-20 | 浙江瑞堂塑料科技有限公司 | Electric breakdown-resistant permanently-antistatic rotational molding polyethylene composite material |
| CN110271125B (en) * | 2019-06-27 | 2021-07-16 | 江苏科罗普海事科技有限公司 | Forming method of ocean buoy shell |
| CN111748151A (en) * | 2020-07-16 | 2020-10-09 | 上海威露美生物科技有限公司 | Antibacterial, mildew-proof and algae-resistant high-molecular polymer and preparation method thereof |
| CN112063065A (en) * | 2020-08-14 | 2020-12-11 | 厦门美科安防科技有限公司 | Preparation method of polyethylene wax-based nano-silver antibacterial material and application of polyethylene wax-based nano-silver antibacterial material in polyethylene injection molding products |
| CN112063065B (en) * | 2020-08-14 | 2023-10-31 | 厦门美科安防科技股份有限公司 | Preparation method of polyethylene wax-based nano silver antibacterial material and application of material in polyethylene injection molding products |
| CN114058108A (en) * | 2021-11-30 | 2022-02-18 | 泛海海工(山东)智能装备有限公司 | Long-acting broad-spectrum antibacterial polyethylene material and preparation method thereof |
| CN114058108B (en) * | 2021-11-30 | 2023-02-24 | 泛海海工(山东)智能装备有限公司 | Long-acting broad-spectrum antibacterial polyethylene material and preparation method thereof |
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| CN104231382B (en) | 2016-09-07 |
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Address after: 315323 588 Industrial Avenue, Shengshan Town, Cixi City, Ningbo City, Zhejiang Province Patentee after: ZHEJIANG ROTOUN PLASTIC TECHNOLOGY Co.,Ltd. Address before: 315323 588 Industrial Avenue, Shengshan Town, Cixi City, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG ROTOUN PLASTIC TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A kind of long term anti algae roto plastic polyethylene material and its preparation method Effective date of registration: 20221129 Granted publication date: 20160907 Pledgee: China Construction Bank Corporation Cixi sub branch Pledgor: ZHEJIANG ROTOUN PLASTIC TECHNOLOGY Co.,Ltd. Registration number: Y2022330003313 |
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Address after: 315323 588 Industrial Avenue, Shengshan Town, Cixi City, Ningbo City, Zhejiang Province Patentee after: ZHEJIANG ROTOUN PLASTIC TECHNOLOGY Co.,Ltd. Address before: 315323 588 Industrial Avenue, Shengshan Town, Cixi City, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG ROTOUN PLASTIC TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20160907 Pledgee: China Construction Bank Corporation Cixi sub branch Pledgor: ZHEJIANG ROTOUN PLASTIC TECHNOLOGY Co.,Ltd. Registration number: Y2022330003313 |