CN105061873A - EVA composite material for puzzle toy - Google Patents
EVA composite material for puzzle toy Download PDFInfo
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- CN105061873A CN105061873A CN201510450778.7A CN201510450778A CN105061873A CN 105061873 A CN105061873 A CN 105061873A CN 201510450778 A CN201510450778 A CN 201510450778A CN 105061873 A CN105061873 A CN 105061873A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- 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
- C08L2207/066—LDPE (radical process)
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to an EVA composite material for a puzzle toy, and belongs to the technical field of children toy manufacturing. The EVA composite material comprises the following components: 10.0-12.0 wt% of low-density polyethylene, 5.0-5.5 wt% of magnesium oxide, 3.0-3.5 wt% of zinc oxide, 0.8-1.0 wt% of triallylisocyanurate, 1.0-1.2 wt% of polybutylene succinate, 0.6-0.8 wt% of acetoxylsilane, 1.5-2.0 wt% of a lubricant, 1.2-1.5 wt% of a foaming agent, 1.0-2.0 wt% of a pigment, 0.8-1.0 wt% of iron carboxylate, 0.50-0.60 wt% of dicumyl peroxide, 0.10-0.20 wt% of an antioxidant, and the balance an ethylene-vinyl acetate copolymer. The EVA composite material for the puzzle toy not only is non-toxic and odorless and meets requirements of children toys to health and environmental protection, but also has the advantages of soft texture, good mechanical properties, and good abrasion resistance and durability.
Description
Technical field
The invention belongs to the technical field that toy for children manufactures, in particular, the present invention relates to a kind of jigsaw puzzle EVA composition material.
Background technology
Toy is requisite article in children life, and it, along with the growth of children, adds enjoyment to children life, simultaneously also can Enlightenment of Intelligence.The kind of toy is a lot, and wherein jigsaw puzzle is very popular a kind of riddle, and it is changeful, and difficulty differs, the dark welcome by Different age group children.Personalized picture mosaic, what piece together is not only a photo, but a story, one section of memory.In the prior art, picture mosaic adopts wooden or paper material usually, and they not only easily burn, and water-fast stain poor.For this reason; also the jigsaw puzzle of EVA material is developed in prior art; but its shortcoming is easy distortion; and as foam material; it can produce the gas being similar to ammonia taste usually; bring certain hidden danger may to the healthy of children, thus need to provide a kind of environmental protection, health, tasteless EVA material.
Summary of the invention
In order to solve the above-mentioned technical problem that prior art exists, the object of the present invention is to provide a kind of jigsaw puzzle EVA composition material.
In order to realize foregoing invention object, present invention employs following technical scheme:
A kind of jigsaw puzzle EVA composition material, it is characterized in that: described EVA composition material by weight percentage, Low Density Polyethylene containing following component: 10.0 ~ 12.0wt%, the magnesium oxide of 5.0 ~ 5.5wt%, the zinc oxide of 3.0 ~ 3.5wt%, the cyanacrylate of 0.8 ~ 1.0wt%, the polybutylene succinate of 1.0 ~ 1.2wt%, the acetoxysilane of 0.6 ~ 0.8wt%, the lubricant of 1.5 ~ 2.0wt%, the whipping agent of 1.2 ~ 1.5wt%, the pigment of 1.0 ~ 2.0wt%, the ferric carboxylate of 0.8 ~ 1.0wt%, the dicumyl peroxide of 0.50 ~ 0.60wt%, the antioxidant of 0.10 ~ 0.20wt%, with the ethylene-vinyl acetate copolymer (EVA) of surplus.
Wherein, described acetoxysilane is selected from methyl triacetoxysilane, ethyltriacetoxysilane, or at least one in vinyltriacetoxy silane.
Wherein, described lubricant is selected from polyethylene wax, microcrystalline wax, stearic acid, calcium stearate, Zinic stearas, hard barium, or at least one in ethylenebisstearamide.Be preferably ethylenebisstearamide.
Wherein, described whipping agent is selected from least one in Cellmic C 121, Diisopropyl azodicarboxylate, azo dimethiamine.
Wherein, described ferric carboxylate is that iron(ic) chloride and fumaric acid are obtained by reacting in dimethyl formamide solution.
Wherein, described pigment is selected from titanium white, carbon black, nigrosine, isoindoline ketone Huang, iron oxide red, ultramarine, or one or more in phthalocyanine blue etc.
Wherein, described oxidation inhibitor can select induced by alkyl hydroxybenzene oxidation inhibitor, alkylidene group phenolic antioxidant, phosphite antioxidant, sulphur ester antioxidant, also can select composite antioxidant in addition.Concrete example such as can select irgasfos 168, BHT, dioctyl phosphite, trisnonyl phenyl phosphite, phosphorous acid octyl group diphenyl ester, tricresyl phosphite monooctyl ester; As composite antioxidant, such as, B215, B225 etc. can be selected.
Wherein, the preparation method of described EVA composition material comprises the following steps:
(1) batch mixing: by component proportion by Low Density Polyethylene, magnesium oxide, zinc oxide, cyanacrylate, polybutylene succinate, acetoxysilane, lubricant, pigment, ferric carboxylate, oxidation inhibitor, and ethylene-vinyl acetate copolymer mixes and obtains compound in mixer;
(2) banburying: the compound that step (1) obtains to be poured in Banbury mixer into banburying 5 ~ 8 minutes, temperature is 110 ~ 120 DEG C; Then add whipping agent and dicumyl peroxide continuation banburying, the banburying time is 4 ~ 6 minutes, and temperature is 120 ~ 125 DEG C;
(3) refining is opened: being plasticated in two roller mill by material good for step (2) banburying obtains sheet work in-process;
(4) granulation: obtain pellet by carrying out granulation in the sheet work in-process of plasticating input tablets press;
(5) moulded from foam: pellet is dropped in foaming machine and carry out foaming.
Wherein, blowing temperature is 165 ~ 180 DEG C, and pressure is 12 ~ 15MPa, and foamed time is 10 ~ 15 minutes.
Jigsaw puzzle EVA composition material of the present invention has following beneficial effect:
Jigsaw puzzle EVA composition material of the present invention is not only nonpoisonous and tasteless, meets the requirement of toy for children to health environment-friendly, and its quality is soft, mechanical property is good, has good wear resistance and weather resistance.
Embodiment
Below with reference to specific embodiment, jigsaw puzzle EVA composition material of the present invention is described further, has more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
In the present invention, in described ethylene-vinyl acetate copolymer, the content of vinyl acetate is 15 ~ 30wt%, and exemplarily property ground is in examples and comparative examples of the present invention, and described ethylene-vinyl acetate copolymer selects EVAUE631(platform to gather).The surface quality that ldpe resin can improve material is added in composition material in the present invention, and improve water tolerance and the resistance to soiling of material, exemplarily property ground, in examples and comparative examples of the present invention, the trade mark that ldpe resin is selected is LD159 (China Petrochemical Industry).In in examples and comparative examples of the present invention, described polybutylene succinate such as can be reacted by polybutene and maleic anhydride and prepare at 120 ~ 180 DEG C, and the molecular weight of described polybutylene succinate is 1200 ~ 2000.In examples and comparative examples of the present invention, ferric carboxylate is by iron(ic) chloride, fumaric acid, and sodium hydroxide reaction preparation at 100 ~ 120 DEG C in dimethyl formamide solution, then leaches solid, and remove solvent by washing, immersion, reclaim solid and can obtain described ferric carboxylate.Exemplarily property ground, the mol ratio of described iron(ic) chloride, fumaric acid and sodium hydroxide is 5:5:3.In the present invention, described acetoxysilane is selected from methyl triacetoxysilane, ethyltriacetoxysilane, or at least one in vinyltriacetoxy silane.Described lubricant is selected from polyethylene wax, microcrystalline wax, stearic acid, calcium stearate, Zinic stearas, hard barium, or at least one in ethylenebisstearamide, is preferably ethylenebisstearamide.Described whipping agent is selected from least one in Cellmic C 121, Diisopropyl azodicarboxylate, azo dimethiamine.Described pigment is selected from titanium white, carbon black, nigrosine, isoindoline ketone Huang, iron oxide red, ultramarine, or one or more in phthalocyanine blue etc.Described oxidation inhibitor can select induced by alkyl hydroxybenzene oxidation inhibitor, alkylidene group phenolic antioxidant, phosphite antioxidant, sulphur ester antioxidant, also can select composite antioxidant in addition.Concrete example such as can select irgasfos 168, BHT, dioctyl phosphite, trisnonyl phenyl phosphite, phosphorous acid octyl group diphenyl ester, tricresyl phosphite monooctyl ester; As composite antioxidant, such as, B215, B225 etc. can be selected.
embodiment 1
In the present embodiment, described jigsaw puzzle EVA composition material by weight percentage, Low Density Polyethylene containing following component: 10.0wt%, the magnesium oxide of 5.5wt%, the zinc oxide of 3.0wt%, the cyanacrylate of 1.0wt%, the polybutylene succinate of 1.2wt%, the vinyltriacetoxy silane of 0.8wt%, the microcrystalline wax of 2.0wt%, the Cellmic C 121 of 1.2wt%, the titanium white of 1.8wt%, the ferric carboxylate of 0.8wt%, the dicumyl peroxide of 0.50wt%, the antioxidant B225 of 0.15wt%, with the ethylene-vinyl acetate copolymer of surplus.The preparation method of this EVA composition material comprises the following steps: (1) batch mixing: by component proportion by Low Density Polyethylene, magnesium oxide, zinc oxide, cyanacrylate, polybutylene succinate, vinyltriacetoxy silane, microcrystalline wax, titanium white, ferric carboxylate, oxidation inhibitor B225, and ethylene-vinyl acetate copolymer mixes and obtains compound in mixer; (2) banburying: the compound that step (1) obtains to be poured in Banbury mixer into banburying 6 minutes, it is 110 DEG C that temperature controls; Then add whipping agent and dicumyl peroxide continuation banburying, the banburying time is 4 minutes, and temperature is 120 DEG C; (3) refining is opened: being plasticated in two roller mill by material good for step (2) banburying obtains sheet work in-process; (4) granulation: obtaining pellet by carrying out granulation in the sheet work in-process of plasticating input tablets press, obtaining the particle that diameter is 2 ~ 3mm; (5) moulded from foam: dropped into by pellet in foaming machine and carry out foaming, blowing temperature is 170 DEG C, and pressure is 15MPa, and foamed time is 15 minutes.
embodiment 2
In the present embodiment, described jigsaw puzzle EVA composition material by weight percentage, Low Density Polyethylene containing following component: 12.0wt%, the magnesium oxide of 5.0wt%, the zinc oxide of 3.5wt%, the cyanacrylate of 0.8wt%, the polybutylene succinate of 1.2wt%, the vinyltriacetoxy silane of 0.8wt%, the Zinic stearas of 2.0wt%, the Cellmic C 121 of 1.2wt%, the titanium white of 1.8wt%, the ferric carboxylate of 0.8wt%, the dicumyl peroxide of 0.50wt%, the antioxidant B225 of 0.15wt%, with the ethylene-vinyl acetate copolymer of surplus.The preparation method of this EVA composition material comprises the following steps: (1) batch mixing: by component proportion by Low Density Polyethylene, magnesium oxide, zinc oxide, cyanacrylate, polybutylene succinate, vinyltriacetoxy silane, Zinic stearas, titanium white, ferric carboxylate, oxidation inhibitor B225, and ethylene-vinyl acetate copolymer mixes and obtains compound in mixer; (2) banburying: the compound that step (1) obtains to be poured in Banbury mixer into banburying 6 minutes, it is 110 DEG C that temperature controls; Then add Cellmic C 121 and dicumyl peroxide continuation banburying, the banburying time is 4 minutes, and temperature is 120 DEG C; (3) refining is opened: being plasticated in two roller mill by material good for step (2) banburying obtains sheet work in-process; (4) granulation: obtaining pellet by carrying out granulation in the sheet work in-process of plasticating input tablets press, obtaining the particle that diameter is 2 ~ 3mm; (5) moulded from foam: dropped into by pellet in foaming machine and carry out foaming, blowing temperature is 170 DEG C, and pressure is 15MPa, and foamed time is 15 minutes.
embodiment 3
In the present embodiment, described jigsaw puzzle EVA composition material by weight percentage, Low Density Polyethylene containing following component: 12.0wt%, the magnesium oxide of 5.0wt%, the zinc oxide of 3.5wt%, the cyanacrylate of 1.0wt%, the polybutylene succinate of 1.2wt%, the vinyltriacetoxy silane of 0.8wt%, the ethylenebisstearamide of 2.0wt%, the Cellmic C 121 of 1.2wt%, the titanium white of 1.8wt%, the ferric carboxylate of 0.8wt%, the dicumyl peroxide of 0.50wt%, the antioxidant B225 of 0.15wt%, with the ethylene-vinyl acetate copolymer of surplus.The preparation method of this EVA composition material comprises the following steps: (1) batch mixing: by component proportion by Low Density Polyethylene, magnesium oxide, zinc oxide, cyanacrylate, polybutylene succinate, vinyltriacetoxy silane, ethylenebisstearamide, titanium white, ferric carboxylate, oxidation inhibitor B225, and ethylene-vinyl acetate copolymer mixes and obtains compound in mixer; (2) banburying: the compound that step (1) obtains to be poured in Banbury mixer into banburying 6 minutes, it is 110 DEG C that temperature controls; Then add Cellmic C 121 and dicumyl peroxide continuation banburying, the banburying time is 4 minutes, and temperature is 120 DEG C; (3) refining is opened: being plasticated in two roller mill by material good for step (2) banburying obtains sheet work in-process; (4) granulation: obtaining pellet by carrying out granulation in the sheet work in-process of plasticating input tablets press, obtaining the particle that diameter is 2 ~ 3mm; (5) moulded from foam: dropped into by pellet in foaming machine and carry out foaming, blowing temperature is 170 DEG C, and pressure is 15MPa, and foamed time is 15 minutes.
comparative example 1
In this comparative example, described jigsaw puzzle EVA composition material by weight percentage, the Cellmic C 121 of the vinyltriacetoxy silane of the zinc oxide of the Low Density Polyethylene containing following component: 12.0wt%, the magnesium oxide of 5.0wt%, 3.5wt%, the cyanacrylate of 1.0wt%, 0.8wt%, the ethylenebisstearamide of 2.0wt%, 1.2wt%, the titanium white of 1.8wt%, the dicumyl peroxide of 0.50wt%, the antioxidant B225 of 0.15wt%, and the ethylene-vinyl acetate copolymer of surplus.The preparation method of this EVA composition material comprises the following steps: (1) batch mixing: by component proportion by Low Density Polyethylene, magnesium oxide, zinc oxide, cyanacrylate, vinyltriacetoxy silane, ethylenebisstearamide, titanium white, oxidation inhibitor B225, and ethylene-vinyl acetate copolymer mixes and obtains compound in mixer; (2) banburying: the compound that step (1) obtains to be poured in Banbury mixer into banburying 6 minutes, it is 110 DEG C that temperature controls; Then add Cellmic C 121 and dicumyl peroxide continuation banburying, the banburying time is 4 minutes, and temperature is 120 DEG C; (3) refining is opened: being plasticated in two roller mill by material good for step (2) banburying obtains sheet work in-process; (4) granulation: obtaining pellet by carrying out granulation in the sheet work in-process of plasticating input tablets press, obtaining the particle that diameter is 2 ~ 3mm; (5) moulded from foam: dropped into by pellet in foaming machine and carry out foaming, blowing temperature is 170 DEG C, and pressure is 15MPa, and foamed time is 15 minutes.
comparative example 2
In this comparative example, described jigsaw puzzle EVA composition material by weight percentage, the Cellmic C 121 of the vinyltriacetoxy silane of the zinc oxide of the Low Density Polyethylene containing following component: 12.0wt%, the magnesium oxide of 5.0wt%, 3.5wt%, the cyanacrylate of 1.0wt%, 0.8wt%, the ethylenebisstearamide of 2.0wt%, 1.2wt%, the titanium white of 1.8wt%, the ferric carboxylate of 0.8wt%, the dicumyl peroxide of 0.50wt%, the antioxidant B225 of 0.15wt%, and the ethylene-vinyl acetate copolymer of surplus.The preparation method of this EVA composition material comprises the following steps: (1) batch mixing: by component proportion by Low Density Polyethylene, magnesium oxide, zinc oxide, cyanacrylate, vinyltriacetoxy silane, ethylenebisstearamide, titanium white, ferric carboxylate, oxidation inhibitor B225, and ethylene-vinyl acetate copolymer mixes and obtains compound in mixer; (2) banburying: the compound that step (1) obtains to be poured in Banbury mixer into banburying 6 minutes, it is 110 DEG C that temperature controls; Then add Cellmic C 121 and dicumyl peroxide continuation banburying, the banburying time is 4 minutes, and temperature is 120 DEG C; (3) refining is opened: being plasticated in two roller mill by material good for step (2) banburying obtains sheet work in-process; (4) granulation: obtaining pellet by carrying out granulation in the sheet work in-process of plasticating input tablets press, obtaining the particle that diameter is 2 ~ 3mm; (5) moulded from foam: dropped into by pellet in foaming machine and carry out foaming, blowing temperature is 170 DEG C, and pressure is 15MPa, and foamed time is 15 minutes.
comparative example 3
In this comparative example, described jigsaw puzzle EVA composition material by weight percentage, Low Density Polyethylene containing following component: 12.0wt%, the magnesium oxide of 5.0wt%, the zinc oxide of 3.5wt%, the cyanacrylate of 1.0wt%, the polybutylene succinate of 1.2wt%, the vinyltriacetoxy silane of 0.8wt%, the ethylenebisstearamide of 2.0wt%, the Cellmic C 121 of 1.2wt%, the titanium white of 1.8wt%, the dicumyl peroxide of 0.50wt%, the antioxidant B225 of 0.15wt%, with the ethylene-vinyl acetate copolymer of surplus.The preparation method of this EVA composition material comprises the following steps: (1) batch mixing: by component proportion by Low Density Polyethylene, magnesium oxide, zinc oxide, cyanacrylate, polybutylene succinate, vinyltriacetoxy silane, ethylenebisstearamide, titanium white, oxidation inhibitor B225, and ethylene-vinyl acetate copolymer mixes and obtains compound in mixer; (2) banburying: the compound that step (1) obtains to be poured in Banbury mixer into banburying 6 minutes, it is 110 DEG C that temperature controls; Then add Cellmic C 121 and dicumyl peroxide continuation banburying, the banburying time is 4 minutes, and temperature is 120 DEG C; (3) refining is opened: being plasticated in two roller mill by material good for step (2) banburying obtains sheet work in-process; (4) granulation: obtaining pellet by carrying out granulation in the sheet work in-process of plasticating input tablets press, obtaining the particle that diameter is 2 ~ 3mm; (5) moulded from foam: dropped into by pellet in foaming machine and carry out foaming, blowing temperature is 170 DEG C, and pressure is 15MPa, and foamed time is 15 minutes.
The EVA foam material that embodiment 1 ~ 3 and comparative example 1 ~ 3 prepare is cut into the sheet material of 10cm × 10cm × 2cm, and be positioned in the encloses container of 50cm × 50cm × 50cm, be place 10 hours under the condition of 40 DEG C in temperature, then test it and whether there is peculiar smell.Test shows the EVA foam material free from extraneous odour that embodiment 1 ~ 3 prepares, and comparative example 1 ~ 2 slightly peculiar smell, comparative example 3 peculiar smell is denseer.
The performance of the EVA composition material that embodiment 1 ~ 3 and comparative example 1 ~ 3 prepare is as shown in table 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Hardness (shore A) | 55 | 53 | 56 | 49 | 48 | 58 |
| Tensile strength (MPa) >= | 16.0 | 15.0 | 19.5 | 16.0 | 15.0 | 19.0 |
| Elongation at break (%) >= | 300 | 300 | 300 | 250 | 250 | 250 |
| Abrasion loss (mg) | 98 | 105 | 95 | 129 | 150 | 110 |
| Fire-retardant rank | V-2 | V-2 | V-2 | V-2 | V-2 | V-2 |
In the present invention; for the ordinary skill in the art described; specific embodiment is just to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (10)
1. a jigsaw puzzle EVA composition material, it is characterized in that: described EVA composition material by weight percentage, Low Density Polyethylene containing following component: 10.0 ~ 12.0wt%, the magnesium oxide of 5.0 ~ 5.5wt%, the zinc oxide of 3.0 ~ 3.5wt%, the cyanacrylate of 0.8 ~ 1.0wt%, the polybutylene succinate of 1.0 ~ 1.2wt%, the acetoxysilane of 0.6 ~ 0.8wt%, the lubricant of 1.5 ~ 2.0wt%, the whipping agent of 1.2 ~ 1.5wt%, the pigment of 1.0 ~ 2.0wt%, the ferric carboxylate of 0.8 ~ 1.0wt%, the dicumyl peroxide of 0.50 ~ 0.60wt%, the antioxidant of 0.10 ~ 0.20wt%, with the ethylene-vinyl acetate copolymer of surplus.
2. jigsaw puzzle EVA composition material according to claim 1, is characterized in that: described acetoxysilane is selected from methyl triacetoxysilane, ethyltriacetoxysilane, or at least one in vinyltriacetoxy silane.
3. jigsaw puzzle EVA composition material according to claim 1, it is characterized in that: described lubricant is selected from polyethylene wax, microcrystalline wax, stearic acid, calcium stearate, Zinic stearas, hard barium, or at least one in ethylenebisstearamide.
4. jigsaw puzzle EVA composition material according to claim 3, is characterized in that: described lubricant is ethylenebisstearamide.
5. jigsaw puzzle EVA composition material according to claim 1, is characterized in that: described whipping agent is selected from least one in Cellmic C 121, Diisopropyl azodicarboxylate, azo dimethiamine.
6. jigsaw puzzle EVA composition material according to claim 1, is characterized in that: described ferric carboxylate is that iron(ic) chloride and fumaric acid are obtained by reacting in dimethyl formamide solution.
7. jigsaw puzzle EVA composition material according to claim 1, is characterized in that: described pigment is selected from titanium white, carbon black, nigrosine, isoindoline ketone Huang, iron oxide red, ultramarine, or one or more in phthalocyanine blue etc.
8. jigsaw puzzle EVA composition material according to claim 1, is characterized in that: described oxidation inhibitor is selected from induced by alkyl hydroxybenzene oxidation inhibitor, alkylidene group phenolic antioxidant, phosphite antioxidant, sulphur ester antioxidant, or composite antioxidant.
9. the EVA composition material of the jigsaw puzzle according to any one of claim 1-8, is characterized in that: the preparation method of described EVA composition material comprises the following steps:
(1) batch mixing: by component proportion by Low Density Polyethylene, magnesium oxide, zinc oxide, cyanacrylate, polybutylene succinate, acetoxysilane, lubricant, pigment, ferric carboxylate, oxidation inhibitor, and ethylene-vinyl acetate copolymer mixes and obtains compound in mixer;
(2) banburying: the compound that step (1) obtains to be poured in Banbury mixer into banburying 5 ~ 8 minutes, temperature is 110 ~ 120 DEG C; Then add whipping agent and dicumyl peroxide continuation banburying, the banburying time is 4 ~ 6 minutes, and temperature is 120 ~ 125 DEG C;
(3) refining is opened: being plasticated in two roller mill by material good for step (2) banburying obtains sheet work in-process;
(4) granulation: obtain pellet by carrying out granulation in the sheet work in-process of plasticating input tablets press;
(5) moulded from foam: pellet is dropped in foaming machine and carry out foaming.
10. jigsaw puzzle EVA composition material according to claim 9, it is characterized in that: blowing temperature is 165 ~ 180 DEG C, pressure is 12 ~ 15MPa, and foamed time is 10 ~ 15 minutes.
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| CN201510450778.7A CN105061873B (en) | 2015-07-29 | 2015-07-29 | Jigsaw puzzle EVA composition materials |
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| CN201510450778.7A CN105061873B (en) | 2015-07-29 | 2015-07-29 | Jigsaw puzzle EVA composition materials |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109608747A (en) * | 2018-11-09 | 2019-04-12 | 怡邦实业(中山)有限公司 | A kind of improved toy case material and preparation method thereof |
| CN109651689A (en) * | 2018-11-09 | 2019-04-19 | 怡邦实业(中山)有限公司 | A kind of toy case material and preparation method thereof that mechanical property is controllable |
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| CN101255250A (en) * | 2008-04-14 | 2008-09-03 | 常州市天晟塑胶化工有限公司 | Ethane-vinyl acetate copolymer hole-opening foaming profile and method for manufacturing same |
| CN101338050A (en) * | 2008-08-25 | 2009-01-07 | 林福枝 | EVA rubber-plastic composition, preparation method and applications used as foaming products |
| CN101392079A (en) * | 2008-10-10 | 2009-03-25 | 常州天晟新材料股份有限公司 | Conductive ethylene-vinyl acetate co-polymer foamed profile and preparation method thereof |
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2015
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| CN101255250A (en) * | 2008-04-14 | 2008-09-03 | 常州市天晟塑胶化工有限公司 | Ethane-vinyl acetate copolymer hole-opening foaming profile and method for manufacturing same |
| CN101338050A (en) * | 2008-08-25 | 2009-01-07 | 林福枝 | EVA rubber-plastic composition, preparation method and applications used as foaming products |
| CN101392079A (en) * | 2008-10-10 | 2009-03-25 | 常州天晟新材料股份有限公司 | Conductive ethylene-vinyl acetate co-polymer foamed profile and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109608747A (en) * | 2018-11-09 | 2019-04-12 | 怡邦实业(中山)有限公司 | A kind of improved toy case material and preparation method thereof |
| CN109651689A (en) * | 2018-11-09 | 2019-04-19 | 怡邦实业(中山)有限公司 | A kind of toy case material and preparation method thereof that mechanical property is controllable |
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