CN107159841A - A kind of dispellable mould casting foamed plastics adhesive aid - Google Patents
A kind of dispellable mould casting foamed plastics adhesive aid Download PDFInfo
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- CN107159841A CN107159841A CN201710277903.8A CN201710277903A CN107159841A CN 107159841 A CN107159841 A CN 107159841A CN 201710277903 A CN201710277903 A CN 201710277903A CN 107159841 A CN107159841 A CN 107159841A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
- B22C7/023—Patterns made from expanded plastic materials
- B22C7/026—Patterns made from expanded plastic materials by assembling preformed parts
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J129/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
- C09J163/04—Epoxynovolacs
Abstract
The invention discloses a kind of dispellable mould casting foamed plastics adhesive aid, it is related to Technology of EPC field, is made up of the raw material of following parts by weight：10 15 parts of the Supported hydrogenating ester gum of super fine magnesia, 35 parts of molecular screen primary powder poloxamer compound, 23 parts of C5 hydrogenated petroleum resins, 23 parts of PVPP, 12 parts of nano micro crystal cellulose, 12 parts of polyethylene glycol oxide, 12 parts of aluminium-magnesium silicate, 0.5 1 parts of N hydroxyethyl acrylamides, 0.5 1 parts of gas-phase silica, 0.1 0.3 parts of nano zine oxide, 0.05 0.1 parts of ferrocene.Binding agent of the present invention is used for the bonding of evaporative pattern foamed plastics, and the consumption of binding agent can be substantially reduced while foam adhesion strength needed for ensureing；And obtained evaporative pattern is used for the casting of stainless cast steel part, as a result show the residue of the binding agent than as little as four one thousandths.
Description
Technical field：
The present invention relates to Technology of EPC field, and in particular to a kind of dispellable mould casting foamed plastics is bonded and helped
Agent.
Background technology：
Evaporative pattern make be foam mould preparation, be one of important procedure in lost foam casting.And the molding that disappears
If made, binding agent selection is improper, and such as consumption of binder is excessive or very few, molding efficiency is not only influenceed, when can also increase cast
Residue after gas forming amount and burning, and to combine apperance each several part bad, causes cast(ing) surface indenture or burr occur and lacks
Fall into.In order to obtain the casting of high-quality, do not required nothing more than during pouring metal melt the modern designs of plastics gasification completely, do not stay residue, simultaneously
The rapid, noresidue it is required that apperance binding agent gasifies.
In addition, the consumption of binding agent is more few better in foam mould manufacturing process, otherwise excessive binding agent can go out
Now following the problem of：It is unfavorable for the rapid gasification of foamed plastics；Casting quality is influenceed because residue increases；Because of foamed plastics
Water imbibition and gas permeability make drying time long and delay the moulding cycle.In order to solve this problem, our company develops one kind
Dispellable mould casting foamed plastics adhesive aid, the adhesive aid is used as bonding major ingredient polyvinyl butyral resin and epoxy novolac tree
The function additive of fat, substantially reduces the consumption of binding agent on the basis of bond quality is ensured, and gasification is complete, do not stay residual
Slag.
The content of the invention：
The technical problems to be solved by the invention are to provide one kind itself energy while consumption of binder is substantially reduced
Gasify dispellable mould casting foamed plastics adhesive aid that is complete, not staying residue.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of dispellable mould casting foamed plastics adhesive aid, is made up of the raw material of following parts by weight：
Supported hydrogenating ester gum 10-15 parts of super fine magnesia, molecular screen primary powder -3-5 parts of poloxamer compound, C5
2-3 parts of hydrogenated petroleum resin, 2-3 parts of PVPP, 1-2 parts of nano micro crystal cellulose, 1-2 parts of polyethylene glycol oxide, magnesium silicate
1-2 parts of aluminium, 0.5-1 parts of N- hydroxyethyl acrylamides, 0.5-1 parts of gas-phase silica, 0.1-0.3 parts of nano zine oxide, ferrocene
0.05-0.1 parts；
Its preparation method comprises the following steps：
(1) aluminium-magnesium silicate and N- hydroxyethyl acrylamides are added into C5 hydrogenated petroleum resins, and is warming up to 125-130 DEG C
Insulation grinding 15min, adds gas-phase silica and ferrocene, continues, in 125-130 DEG C of insulation grinding 15min, to treat that nature is cold
But to micro mist is made using micronizer after room temperature, powder I is produced；
(2) 120-125 DEG C of insulation grinding 10min is warming up to after mixing nano micro crystal cellulose and polyethylene glycol oxide, then
The Supported hydrogenating ester gum of super fine magnesia and nano zine oxide are added, continues the insulation grinding 30min at 120-125 DEG C,
And sealing and standing 2h in 0-5 DEG C of environment is transferred to, then clear-cutting forestland is to room temperature, and gained mixture is made micro- using micronizer
Powder, produces powder II；
(3) molecular screen primary powder-poloxamer compound, powder I and PVPP are added into powder II, is sufficiently mixed
Gained mixed powder is sent into ball mill afterwards, discharging-material size is milled in 0.03-0.05mm, produces adhesive aid.
The Supported hydrogenating ester gum of super fine magnesia is using super fine magnesia as carrier and in load promoter effect
Made from lower high-efficient carrier hydrogenated rosin glyceride, its specific preparation method is：Epoxy is added into hydrogenated rosin glyceride big
Soya-bean oil and allyl glycidyl ether, are warming up to 120-125 DEG C of insulation mixing 15min, add super fine magnesia and poly- Tianmen
Winter propylhomoserin, continues, in 120-125 DEG C of insulation mixing 15min, to be then cooled to 0-5 DEG C of insulation with 5 DEG C/min cooling rate mixed
30min is closed, and adds 35-40 DEG C of water, after being well mixed in feeding freeze drier, gained solid is dried through ultramicro grinding mechanism
Into micro mist, the Supported hydrogenating ester gum of super fine magnesia is produced.
The hydrogenated rosin glyceride, epoxidized soybean oil, allyl glycidyl ether, super fine magnesia, poly-aspartic
The mass ratio of acid and water is 5-10:0.3-0.5:0.05-0.2:15-20:1-2:50-100.
The molecular screen primary powder-poloxamer compound be by molecular screen primary powder and poloxamer under composite assistant effect
Compound obtained, its specific preparation method is：Xiang Shuizhong adds molecular screen primary powder and nanometer titanium dioxide, fully dispersed rear feeding ball
In grinding machine, fineness is milled to less than 10 μm, and utilizes microwave treater microwave reflow treatment 5min, adds poloxamer and N-
Vinyl pyrrolidone, continues microwave reflow treatment 5min after being well mixed, stands microwave reflow treatment again after 30min
In 5min, gained mixed liquor feeding spray dryer, dry gained particle and micro mist is made through micronizer, produce molecular screen primary
Powder-poloxamer compound.
The water, molecular screen primary powder, nanometer titanium dioxide, the mass ratio of poloxamer and NVP are 30-
60:3-5:0.1-0.3:2-3:0.05-0.1。
The condition of work of the microwave treater is microwave frequency 2450MHz, power output 700W.
The beneficial effects of the invention are as follows：Made adhesive aid collaboration bonds major ingredient polyvinyl butyral resin, epoxy novolac tree
Binding agent is made in fat, and the binding agent is used for the bonding of evaporative pattern foamed plastics, while foam adhesion strength needed for ensureing
The consumption of binding agent can be substantially reduced；And obtained evaporative pattern is used for the casting of stainless cast steel part, as a result show the bonding
The residue of agent in as little as four one thousandths, and gasification without pernicious gas than producing, and performance is much better than presently commercially available
Binding agent.
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
(1) 10g aluminium-magnesium silicates and 5g N- hydroxyethyl acrylamides are added into 25g C5 hydrogenated petroleum resins, and is heated up
To 125-130 DEG C of insulation grinding 15min, 5g gas-phase silicas and 0.5g ferrocene are added, continuation is ground in 125-130 DEG C of insulation
15min is ground, after naturally cool to micro mist is made using micronizer after room temperature, powder I is produced；
(2) 120-125 DEG C of insulation grinding is warming up to after mixing 10g nano micro crystal celluloses and 10g polyethylene glycol oxides
10min, adds the Supported hydrogenating ester gum of 50g super fine magnesias and 2g nano zine oxides, continues to protect at 120-125 DEG C
Temperature grinding 30min, and sealing and standing 2h in 0-5 DEG C of environment is transferred to, then clear-cutting forestland is to room temperature, and gained mixture utilizes ultra micro
Micro mist is made in pulverizer, produces powder II；
(3) 45g molecular screen primary powders-poloxamer compound, powder I and 20g PVPP are added into powder II, is filled
Divide in gained mixed powder feeding ball mill after mixing, be milled to discharging-material size in 0.03-0.05mm, produce adhesive aid.
The preparation of the Supported hydrogenating ester gum of super fine magnesia：0.3g epoxies are added into 5g hydrogenated rosin glycerides big
Soya-bean oil and 0.1g allyl glycidyl ethers, be warming up to 120-125 DEG C insulation mixing 15min, add 20g super fine magnesias and
1g poly-aspartic-acids, continue, in 120-125 DEG C of insulation mixing 15min, to be then cooled to 0-5 with 5 DEG C/min cooling rate
DEG C insulation mixing 30min, and add 80g 35-40 DEG C water, after being well mixed in feeding freeze drier, dry gained solid warp
Micro mist is made in micronizer, produces the Supported hydrogenating ester gum of super fine magnesia.
The preparation of molecular screen primary powder-poloxamer compound：5g molecular screen primary powders and 0.15g nanometers are added into 50g water
In titanium dioxide, fully dispersed rear feeding ball mill, fineness is milled to less than 10 μm, and utilize microwave frequency 2450MHz, output work
Rate 700W microwave treater microwave reflow treatment 5min, adds 2g poloxamers and 0.05gN- vinyl pyrrolidones, mixes
Close it is uniform after continue microwave reflow treatment 5min, stand after 30min microwave reflow treatment 5min, the feeding spray of gained mixed liquor again
In mist drying machine, dry gained particle and micro mist is made through micronizer, produce molecular screen primary powder-poloxamer compound.
Embodiment 2
(1) 15g aluminium-magnesium silicates and 5g N- hydroxyethyl acrylamides are added into 30g C5 hydrogenated petroleum resins, and is heated up
To 125-130 DEG C of insulation grinding 15min, 10g gas-phase silicas and 0.5g ferrocene are added, is continued in 125-130 DEG C of insulation
15min is ground, after naturally cool to micro mist is made using micronizer after room temperature, powder I is produced；
(2) 120-125 DEG C of insulation grinding is warming up to after mixing 15g nano micro crystal celluloses and 10g polyethylene glycol oxides
10min, adds the Supported hydrogenating ester gum of 50g super fine magnesias and 3g nano zine oxides, continues to protect at 120-125 DEG C
Temperature grinding 30min, and sealing and standing 2h in 0-5 DEG C of environment is transferred to, then clear-cutting forestland is to room temperature, and gained mixture utilizes ultra micro
Micro mist is made in pulverizer, produces powder II；
(3) 50g molecular screen primary powders-poloxamer compound, powder I and 20g PVPP are added into powder II, is filled
Divide in gained mixed powder feeding ball mill after mixing, be milled to discharging-material size in 0.03-0.05mm, produce adhesive aid.
The preparation of the Supported hydrogenating ester gum of super fine magnesia：0.5g epoxies are added into 10g hydrogenated rosin glycerides
Soybean oil and 0.2g allyl glycidyl ethers, are warming up to 120-125 DEG C of insulation mixing 15min, add 20g super fine magnesias
With 1g poly-aspartic-acids, continue, in 120-125 DEG C of insulation mixing 15min, to be then cooled to 0- with 5 DEG C/min cooling rate
5 DEG C of insulation mixing 30min, and 80g 35-40 DEG C water is added, after being well mixed in feeding freeze drier, dry gained solid
Micro mist is made through micronizer, the Supported hydrogenating ester gum of super fine magnesia is produced.
The preparation of molecular screen primary powder-poloxamer compound：5g molecular screen primary powders and 0.3g nano-titaniums are added into 50g water
In white powder, fully dispersed rear feeding ball mill, fineness is milled to less than 10 μm, and utilize microwave frequency 2450MHz, power output
700W microwave treater microwave reflow treatment 5min, adds 3g poloxamers and 0.05g NVPs, mixes
Close it is uniform after continue microwave reflow treatment 5min, stand after 30min microwave reflow treatment 5min, the feeding spray of gained mixed liquor again
In mist drying machine, dry gained particle and micro mist is made through micronizer, produce molecular screen primary powder-poloxamer compound.
Reference examples 1
(1) 15g aluminium-magnesium silicates and 5g N- hydroxyethyl acrylamides are added into 30g C5 hydrogenated petroleum resins, and is heated up
To 125-130 DEG C of insulation grinding 15min, 10g gas-phase silicas and 0.5g ferrocene are added, is continued in 125-130 DEG C of insulation
15min is ground, after naturally cool to micro mist is made using micronizer after room temperature, powder I is produced；
(2) 120-125 DEG C of insulation grinding is warming up to after mixing 15g nano micro crystal celluloses and 10g polyethylene glycol oxides
10min, adds the Supported hydrogenating ester gum of 50g super fine magnesias and 3g nano zine oxides, continues to protect at 120-125 DEG C
Temperature grinding 30min, and sealing and standing 2h in 0-5 DEG C of environment is transferred to, then clear-cutting forestland is to room temperature, and gained mixture utilizes ultra micro
Micro mist is made in pulverizer, produces powder II；
(3) 50g molecular screen primary powders-poloxamer compound, powder I and 20g PVPP are added into powder II, is filled
Divide in gained mixed powder feeding ball mill after mixing, be milled to discharging-material size in 0.03-0.05mm, produce adhesive aid.
The preparation of the Supported hydrogenating ester gum of super fine magnesia：0.5g epoxies are added into 10g hydrogenated rosin glycerides
Soybean oil and 0.2g allyl glycidyl ethers, are warming up to 120-125 DEG C of insulation mixing 15min, add 20g super fine magnesias
With 1g poly-aspartic-acids, continue, in 120-125 DEG C of insulation mixing 15min, to be then cooled to 0- with 5 DEG C/min cooling rate
5 DEG C of insulation mixing 30min, and 80g 35-40 DEG C water is added, after being well mixed in feeding freeze drier, dry gained solid
Micro mist is made through micronizer, the Supported hydrogenating ester gum of super fine magnesia is produced.
The preparation of molecular screen primary powder-mixtures of poloxamers：Into 50g water add 5g molecular screen primary powders, it is fully dispersed after
Send into ball mill, be milled to fineness less than 10 μm, and utilize microwave frequency 2450MHz, power output 700W microwave treatment
Device microwave reflow treatment 5min, adds 3g poloxamers, continues microwave reflow treatment 5min after being well mixed, stands 30min
In microwave reflow treatment 5min again afterwards, gained mixed liquor feeding spray dryer, gained particle is dried through ultramicro grinding mechanism
Into micro mist, molecular screen primary powder-poloxamer compound is produced.
Reference examples 2
(1) 15g aluminium-magnesium silicates and 5g N- hydroxyethyl acrylamides are added into 30g C5 hydrogenated petroleum resins, and is heated up
To 125-130 DEG C of insulation grinding 15min, 10g gas-phase silicas and 0.5g ferrocene are added, is continued in 125-130 DEG C of insulation
15min is ground, after naturally cool to micro mist is made using micronizer after room temperature, powder I is produced；
(2) 120-125 DEG C of insulation grinding is warming up to after mixing 15g nano micro crystal celluloses and 10g polyethylene glycol oxides
10min, adds the Supported hydrogenating ester gum of 50g super fine magnesias and 3g nano zine oxides, continues to protect at 120-125 DEG C
Temperature grinding 30min, and sealing and standing 2h in 0-5 DEG C of environment is transferred to, then clear-cutting forestland is to room temperature, and gained mixture utilizes ultra micro
Micro mist is made in pulverizer, produces powder II；
(3) 50g molecular screen primary powders-poloxamer compound, powder I and 20g PVPP are added into powder II, is filled
Divide in gained mixed powder feeding ball mill after mixing, be milled to discharging-material size in 0.03-0.05mm, produce adhesive aid.
The preparation of the Supported hydrogenating ester gum of super fine magnesia：10g hydrogenated rosin glycerides are warming up to 120-125 DEG C
Insulation mixing 15min, adds 20g super fine magnesias, continues in 120-125 DEG C of insulation mixing 15min, then with 5 DEG C/min
Cooling rate be cooled to 0-5 DEG C of insulation mixing 30min, and add 80g35-40 DEG C of water, freeze-drying sent into after being well mixed
In machine, dry gained solid and micro mist is made through micronizer, produce the Supported hydrogenating ester gum of super fine magnesia.
The preparation of molecular screen primary powder-poloxamer compound：5g molecular screen primary powders and 0.3g nano-titaniums are added into 50g water
In white powder, fully dispersed rear feeding ball mill, fineness is milled to less than 10 μm, and utilize microwave frequency 2450MHz, power output
700W microwave treater microwave reflow treatment 5min, adds 3g poloxamers and 0.05g NVPs, mixes
Close it is uniform after continue microwave reflow treatment 5min, stand after 30min microwave reflow treatment 5min, the feeding spray of gained mixed liquor again
In mist drying machine, dry gained particle and micro mist is made through micronizer, produce molecular screen primary powder-poloxamer compound.
Reference examples 3
(1) 15g aluminium-magnesium silicates and 5g N- hydroxyethyl acrylamides are added into 30g C5 hydrogenated petroleum resins, and is heated up
To 125-130 DEG C of insulation grinding 15min, 10g gas-phase silicas and 0.5g ferrocene are added, is continued in 125-130 DEG C of insulation
15min is ground, after naturally cool to micro mist is made using micronizer after room temperature, powder I is produced；
(2) 120-125 DEG C of insulation grinding is warming up to after mixing 15g nano micro crystal celluloses and 10g polyethylene glycol oxides
10min, adds the Supported hydrogenating ester gum of 50g super fine magnesias and 3g nano zine oxides, continues to protect at 120-125 DEG C
Temperature grinding 30min, and sealing and standing 2h in 0-5 DEG C of environment is transferred to, then clear-cutting forestland is to room temperature, and gained mixture utilizes ultra micro
Micro mist is made in pulverizer, produces powder II；
(3) 50g molecular screen primary powders-poloxamer compound, powder I and 20g PVPP are added into powder II, is filled
Divide in gained mixed powder feeding ball mill after mixing, be milled to discharging-material size in 0.03-0.05mm, produce adhesive aid.
The preparation of the Supported hydrogenating ester gum of super fine magnesia：10g hydrogenated rosin glycerides are warming up to 120-125 DEG C
Insulation mixing 15min, adds 20g super fine magnesias, continues in 120-125 DEG C of insulation mixing 15min, then with 5 DEG C/min
Cooling rate be cooled to 0-5 DEG C of insulation mixing 30min, and add 80g35-40 DEG C of water, freeze-drying sent into after being well mixed
In machine, dry gained solid and micro mist is made through micronizer, produce the Supported hydrogenating ester gum of super fine magnesia.
The preparation of molecular screen primary powder-poloxamer compound：Into 50g water add 5g molecular screen primary powders, it is fully dispersed after
Send into ball mill, be milled to fineness less than 10 μm, and utilize microwave frequency 2450MHz, power output 700W microwave treatment
Device microwave reflow treatment 5min, adds 3g poloxamers, continues microwave reflow treatment 5min after being well mixed, stands 30min
In microwave reflow treatment 5min again afterwards, gained mixed liquor feeding spray dryer, gained particle is dried through ultramicro grinding mechanism
Into micro mist, molecular screen primary powder-poloxamer compound is produced.
Embodiment 3
Embodiment 1, embodiment 2, reference examples 1, reference examples 2 and the made adhesive aid of reference examples 3 is utilized respectively to lead with bonding
Material is mixed to prepare binding agent, and specific proportioning is as shown in table 1, while setting the blank example without using adhesive aid.Recycle made
Binding agent moulds the foamed plastics made to disappearing and bonded, and determines adhesion strength and reaches every cm during 3MPa2Glued needed for adhesive surface
The consumption of agent is tied, as a result as shown in table 2.Then made evaporative pattern, which will be processed, is used for the casting of the same pump housing, determines and utilizes implementation
The residue ratio of example 1 and the made binding agent of embodiment 2, as a result as shown in table 3.
The binding agent preparing raw material of table 1 is matched
| Raw material | Embodiment 1-2, reference examples 1-3 mass/g | Blank example quality/g |
| Polyvinyl butyral resin | 15 | 15 |
| Novolac epoxy resin | 15 | 15 |
| Adhesive aid | 4.5 | 0 |
| Surfactant | 0.5 | 0.5 |
| Ethanol | 65 | 69.5 |
The consumption of binder of table 2
| Project | Embodiment 1 | Embodiment 2 | Reference examples 1 | Reference examples 2 | Reference examples 3 | Blank example |
| Binding agent g/cm2 | 0.01 | 0.01 | 0.02 | 0.04 | 0.06 | 0.08 |
The evaporative pattern residue ratio of table 3
| Project | Embodiment 1 | Embodiment 2 |
| Residue ratio | 1/4000 | 1/4000 |
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of dispellable mould casting foamed plastics adhesive aid, it is characterised in that be made up of the raw material of following parts by weight：
Supported hydrogenating ester gum 10-15 parts of super fine magnesia, molecular screen primary powder -3-5 parts of poloxamer compound, C5 hydrogenation
2-3 parts of Petropols, 2-3 parts of PVPP, 1-2 parts of nano micro crystal cellulose, 1-2 parts of polyethylene glycol oxide, aluminium-magnesium silicate 1-2
Part, 0.5-1 parts of N- hydroxyethyl acrylamides, 0.5-1 parts of gas-phase silica, 0.1-0.3 parts of nano zine oxide, ferrocene 0.05-
0.1 part；
Its preparation method comprises the following steps：
(1) aluminium-magnesium silicate and N- hydroxyethyl acrylamides are added into C5 hydrogenated petroleum resins, and is warming up to 125-130 DEG C of insulation
15min is ground, gas-phase silica and ferrocene is added, continued in 125-130 DEG C of insulation grinding 15min, after naturally cool to
Micro mist is made using micronizer after room temperature, powder I is produced；
(2) 120-125 DEG C of insulation grinding 10min is warming up to after mixing nano micro crystal cellulose and polyethylene glycol oxide, is added
The Supported hydrogenating ester gum of super fine magnesia and nano zine oxide, continue the insulation grinding 30min at 120-125 DEG C, and turn
Enter sealing and standing 2h in 0-5 DEG C of environment, then clear-cutting forestland is to room temperature, and micro mist is made using micronizer in gained mixture,
Produce powder II；
(3) molecular screen primary powder-poloxamer compound, powder I and PVPP are added into powder II, will after being sufficiently mixed
In gained mixed powder feeding ball mill, discharging-material size is milled in 0.03-0.05mm, adhesive aid is produced.
2. dispellable mould casting foamed plastics adhesive aid according to claim 1, it is characterised in that：The ultra-fine oxidation
Magnesium-supported hydrogenated rosin glyceride is using super fine magnesia as carrier and high-efficient carrier hydrogenated rosin is sweet under load promoter effect
Made from grease, its specific preparation method is：Epoxidized soybean oil and allyl glycidol are added into hydrogenated rosin glyceride
Ether, is warming up to 120-125 DEG C of insulation mixing 15min, adds super fine magnesia and poly-aspartic-acid, continue in 120-125
DEG C insulation mixing 15min, is then cooled to 0-5 DEG C of insulation mixing 30min with 5 DEG C/min cooling rate, and adds 35-40 DEG C
Water, after being well mixed in feeding freeze drier, dries gained solid and micro mist is made through micronizer, produce super fine magnesia
Supported hydrogenating ester gum.
3. dispellable mould casting foamed plastics adhesive aid according to claim 2, it is characterised in that：The hydrogenated rosin
Glyceride, epoxidized soybean oil, allyl glycidyl ether, super fine magnesia, the mass ratio of poly-aspartic-acid and water are 5-10:
0.3-0.5:0.05-0.2:15-20:1-2:50-100。
4. dispellable mould casting foamed plastics adhesive aid according to claim 1, it is characterised in that：The molecular screen primary
Powder-poloxamer compound is to be combined obtained, its specific system under composite assistant effect by molecular screen primary powder and poloxamer
Preparation Method is：Xiang Shuizhong is added in molecular screen primary powder and nanometer titanium dioxide, fully dispersed rear feeding ball mill, is milled to fineness small
In 10 μm, and microwave treater microwave reflow treatment 5min is utilized, add poloxamer and NVP, mix
Continue microwave reflow treatment 5min after uniform, stand after 30min microwave reflow treatment 5min, the feeding spraying of gained mixed liquor again
In drying machine, dry gained particle and micro mist is made through micronizer, produce molecular screen primary powder-poloxamer compound.
5. dispellable mould casting foamed plastics adhesive aid according to claim 4, it is characterised in that：The water, molecule
The mass ratio for sieving former powder, nanometer titanium dioxide, poloxamer and NVP is 30-60:3-5:0.1-0.3:2-3:
0.05-0.1。
6. dispellable mould casting foamed plastics adhesive aid according to claim 4, it is characterised in that：The microwave treatment
The condition of work of device is microwave frequency 2450MHz, power output 700W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710277903.8A CN107159841A (en) | 2017-04-25 | 2017-04-25 | A kind of dispellable mould casting foamed plastics adhesive aid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108274153A (en) * | 2018-02-01 | 2018-07-13 | 江兵 | A kind of special scaling powder of solder(ing) paste and preparation method thereof |
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| CN105195668A (en) * | 2015-10-08 | 2015-12-30 | 蚌埠冠宜型材科技有限公司 | Casting molding sand adhesive for improving flowability |
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Application publication date: 20170915 |