CN105368383A - Foamed plastic binder for centrifugal pump lost foam casting - Google Patents

Foamed plastic binder for centrifugal pump lost foam casting Download PDF

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Publication number
CN105368383A
CN105368383A CN201510692776.9A CN201510692776A CN105368383A CN 105368383 A CN105368383 A CN 105368383A CN 201510692776 A CN201510692776 A CN 201510692776A CN 105368383 A CN105368383 A CN 105368383A
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parts
powder
added
20min
water
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Inventor
曹珠明
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ESKE PUMP Co
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ESKE PUMP Co
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Priority to CN201510692776.9A priority Critical patent/CN105368383A/en
Publication of CN105368383A publication Critical patent/CN105368383A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J193/00Adhesives based on natural resins; Adhesives based on derivatives thereof
    • C09J193/04Rosin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C7/00Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/02Lost patterns
    • B22C7/023Patterns made from expanded plastic materials
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a foamed plastic binder for centrifugal pump lost foam casting and relates to the technical field of centrifugal pump manufacture. The foamed plastic binder is prepared from, by weight parts, 80-90 parts of rosin pentaerythritol ester, 18-22 parts of allyl phenoxy resin, 15-18 parts of modified montmorillonite, 12-16 parts of polyacrylamide, 10-14 parts of polyvinyl alcohol, 8-12 parts of nanometer rubber powder, 8-12 parts of hydrogenated castor oil, 6-10 parts of putty powder, 5-8 parts of maltodextrin, 5-8 parts of palm wax, 4-6 parts of vaseline, 2-5 parts of dodecanedioic acid, 35-40 parts of butyl acetate and 60-70 parts of water. The binder has the advantages of being low in production cost, good in binding effect and small in dosage and air generation amount, the gasification is quick, there is no residue, and the foamed plastic binder is suitable for binding of foamed plastics for centrifugal pump lost foam casting.

Description

A kind of impeller pump dispellable mould casting porous plastics binding agent
Technical field:
The present invention relates to impeller pump manufacturing technology field, be specifically related to a kind of impeller pump dispellable mould casting porous plastics binding agent.
Background technology:
Lost foam casting is bondd by the bubbles model similar to casting dimension shape to be combined into model cluster, after brushing refractory paint is also dried, be embedded in vibration molding in drystone sand, pour into a mould under negative pressure, model is gasified, liquid metal occupies modal position, forms the novel casting method of foundry goods after solidifying cooling.Compared with conventional casting technologies, lost foam casting has that casting quality is good, cost is low, dimensional precision is high, the feature of any surface finish, can realize extensive, produce in enormous quantities, reduce labour intensity and reduce energy consumption.
In lost foam casting process, the preparation of foamed polystyrene pattern is particularly important.If binding agent selection is improper when prepared by model, or binding agent usage quantity is too much or very few, not only affect molding efficiency, the residue after gas forming amount when also can increase cast and burning, and make model each several part in conjunction with bad, cause cast(ing) surface to occur indenture or veining defect.Therefore, in order to obtain the foundry goods of high-quality, need that binding agent used gasifies rapidly, noresidue.
Summary of the invention:
Technical problem to be solved by this invention is to provide that a kind of bond effect is good, consumption is few, and gas forming amount is few, gasification rapidly and the impeller pump dispellable mould casting porous plastics binding agent of noresidue.
Technical problem to be solved by this invention adopts following technical scheme to realize:
A kind of impeller pump dispellable mould casting porous plastics binding agent, be made up of the raw material of following parts by weight:
Pentalyn 80-90 part, allyl phenoxy resin 18-22 part, modified montmorillonoid 15-18 part, polyacrylamide 12-16 part, polyvinyl alcohol 10-14 part, nanometer rubber powder 8-12 part, hydrogenated castor oil 8-12 part, putty powder 6-10 part, maltodextrin 5-8 part, palm wax 5-8 part, Vaseline 4-6 part, bay diacid 2-5 part, N-BUTYL ACETATE 35-40 part, water 60-70 part;
Its preparation method is as follows:
(1) in pentalyn, nanometer rubber powder and N-BUTYL ACETATE is added, after mixing under microwave frequency 2450MHz, power 600W microwave treatment 15-20min, allyl phenoxy resin and polyacrylamide is added again after temperature is down to 60-70 DEG C, insulated and stirred 25-30min, obtains material I;
(2) putty powder is added to the water making beating, after even slurry to be formed, adds palm wax and Vaseline, be warming up to 60-70 DEG C of insulated and stirred 15-20min, obtain material II;
(3) in material II, modified montmorillonoid and polyvinyl alcohol is added, supersound process 15-20min under ultrasonic frequency 40kHz, power 100W, then add material I, hydrogenated castor oil, maltodextrin and bay diacid, continue supersound process 10-15min, obtain binding agent.
Described modified montmorillonoid is made up of the raw material of following parts by weight: polynite 80-90 part, nano titanium oxide 7-10 part, nano-ceramic powder 12-15 part, zeolite powder 10-13 part, HPMC 8-10 part, cane molasses 6-9 part, Sodium Nitrite 4-7 part, water 120-150 part, its preparation method is: be first scattered in water by polynite, nano titanium oxide and Sodium Nitrite is added after soaking 1-2h, mixture is in ultrasonic frequency 40kHz, supersound process 25-30min under power 100W, then nano-ceramic powder and zeolite powder is added, continue supersound process 15-20min, again through the concentrated lotion making solid content 60-70%, HPMC and cane molasses is added in lotion, fully mix rear feeding freeze drier, final powder is broken into powder.
Described putty powder is made up of the raw material of following parts by weight: talcum powder 90-100 part, flyash 20-25 part, α-cyanoacrylate 15-20 part, xanthan gum 13-17 part, plant amylum 10-13 part, Sodium dodecylbenzene sulfonate 8-11 part, nano silicon 6-10 part, linseed oil 5-8 part, water 150-200 part, its preparation method is: first by talcum powder, α-cyanoacrylate and nano silicon are added to the water, in microwave frequency 2450MHz after being uniformly dispersed, microwave treatment 15-20min under power 600W, then flyash and xanthan gum is added, continue microwave treatment 5-10min, plant amylum is added after temperature is down to 60-70 DEG C, Sodium dodecylbenzene sulfonate and linseed oil, insulated and stirred 15-20min, powder is ground into finally by after lyophilize.
The invention has the beneficial effects as follows: the present invention take pentalyn as main raw material, nanometer rubber powder is utilized to carry out modification to it, and be aided with multiple auxiliary agent, obtained binding agent has the advantages that production cost is low, bond effect good, consumption is few and gas forming amount is few, and gasification rapidly, noresidue, is applicable to the bonding of impeller pump dispellable mould casting porous plastics.
Embodiment:
The technique means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
Embodiment 1
(1) in 80 parts of pentalyns, 8 parts of nanometer rubber powders and 35 parts of N-BUTYL ACETATEs are added, after mixing under microwave frequency 2450MHz, power 600W microwave treatment 15min, 18 parts of allyl phenoxy resins and 13 parts of polyacrylamides are added again after temperature is down to 70 DEG C, insulated and stirred 30min, obtains material I;
(2) 6 parts of putty powder are added in 60 parts of water pull an oar, add 6 parts of palm waxs and 4 parts of Vaseline after even slurry to be formed, be warming up to 60 DEG C of insulated and stirred 20min, obtain material II;
(3) in material II, 15 parts of modified montmorillonoids and 10 parts of polyvinyl alcohol are added, supersound process 20min under ultrasonic frequency 40kHz, power 100W, then add material I, 8 parts of hydrogenated castor oils, 6 portions of maltodextrins and 3 parts of bay diacid, continue supersound process 15min, obtain binding agent.
The preparation of modified montmorillonoid: first 82 parts of polynites are scattered in 120 parts of water, 8 parts of nano titanium oxides and 4 parts of Sodium Nitrites are added after soaking 2h, mixture is supersound process 30min under ultrasonic frequency 40kHz, power 100W, then 12 parts of nano-ceramic powders and 11 parts of zeolite powders are added, continue supersound process 15min, again through the concentrated lotion making solid content 60-70%, 8 parts of HPMC and 6 parts of cane molasses are added in lotion, fully mix rear feeding freeze drier, final powder is broken into powder.
The preparation of putty powder: first 90 parts of talcum powder, 16 parts of α-cyanoacrylates and 6 parts of nano silicons are added in 150 parts of water, after being uniformly dispersed under microwave frequency 2450MHz, power 600W microwave treatment 15min, then 20 parts of flyash and 14 parts of xanthan gum are added, continue microwave treatment 10min, 10 parts of plant amylums, 8 parts of Sodium dodecylbenzene sulfonatees and 5 portions of linseed oil are added after temperature is down to 70 DEG C, insulated and stirred 20min, is ground into powder finally by after lyophilize.
Embodiment 2
(1) in 85 parts of pentalyns, 10 parts of nanometer rubber powders and 40 parts of N-BUTYL ACETATEs are added, after mixing under microwave frequency 2450MHz, power 600W microwave treatment 15min, 20 parts of allyl phenoxy resins and 14 parts of polyacrylamides are added again after temperature is down to 70 DEG C, insulated and stirred 30min, obtains material I;
(2) 8 parts of putty powder are added in 66 parts of water pull an oar, add 7 parts of palm waxs and 5 parts of Vaseline after even slurry to be formed, be warming up to 70 DEG C of insulated and stirred 20min, obtain material II;
(3) in material II, 16 parts of modified montmorillonoids and 12 parts of polyvinyl alcohol are added, supersound process 20min under ultrasonic frequency 40kHz, power 100W, then add material I, 10 parts of hydrogenated castor oils, 7 portions of maltodextrins and 4 parts of bay diacid, continue supersound process 15min, obtain binding agent.
The preparation of modified montmorillonoid: first 85 parts of polynites are scattered in 130 parts of water, 9 parts of nano titanium oxides and 6 parts of Sodium Nitrites are added after soaking 2h, mixture is supersound process 30min under ultrasonic frequency 40kHz, power 100W, then 13 parts of nano-ceramic powders and 12 parts of zeolite powders are added, continue supersound process 20min, again through the concentrated lotion making solid content 60-70%, 9 parts of HPMC and 8 parts of cane molasses are added in lotion, fully mix rear feeding freeze drier, final powder is broken into powder.
The preparation of putty powder: first 95 parts of talcum powder, 18 parts of α-cyanoacrylates and 8 parts of nano silicons are added in 200 parts of water, after being uniformly dispersed under microwave frequency 2450MHz, power 600W microwave treatment 15min, then 23 parts of flyash and 15 parts of xanthan gum are added, continue microwave treatment 10min, 12 parts of plant amylums, 9 parts of Sodium dodecylbenzene sulfonatees and 7 portions of linseed oil are added after temperature is down to 70 DEG C, insulated and stirred 20min, is ground into powder finally by after lyophilize.
Embodiment 3
(1) in 90 parts of pentalyns, 10 parts of nanometer rubber powders and 40 parts of N-BUTYL ACETATEs are added, after mixing under microwave frequency 2450MHz, power 600W microwave treatment 15min, 22 parts of allyl phenoxy resins and 15 parts of polyacrylamides are added again after temperature is down to 70 DEG C, insulated and stirred 30min, obtains material I;
(2) 10 parts of putty powder are added in 70 parts of water pull an oar, add 8 parts of palm waxs and 6 parts of Vaseline after even slurry to be formed, be warming up to 70 DEG C of insulated and stirred 20min, obtain material II;
(3) in material II, 18 parts of modified montmorillonoids and 13 parts of polyvinyl alcohol are added, supersound process 20min under ultrasonic frequency 40kHz, power 100W, then add material I, 12 parts of hydrogenated castor oils, 7 portions of maltodextrins and 4 parts of bay diacid, continue supersound process 15min, obtain binding agent.
The preparation of modified montmorillonoid: first 90 parts of polynites are scattered in 150 parts of water, 10 parts of nano titanium oxides and 6 parts of Sodium Nitrites are added after soaking 2h, mixture is supersound process 30min under ultrasonic frequency 40kHz, power 100W, then 15 parts of nano-ceramic powders and 12 parts of zeolite powders are added, continue supersound process 20min, again through the concentrated lotion making solid content 60-70%, 10 parts of HPMC and 8 parts of cane molasses are added in lotion, fully mix rear feeding freeze drier, final powder is broken into powder.
The preparation of putty powder: first 100 parts of talcum powder, 20 parts of α-cyanoacrylates and 10 parts of nano silicons are added in 200 parts of water, after being uniformly dispersed under microwave frequency 2450MHz, power 600W microwave treatment 15min, then 23 parts of flyash and 16 parts of xanthan gum are added, continue microwave treatment 10min, 13 parts of plant amylums, 10 parts of Sodium dodecylbenzene sulfonatees and 8 portions of linseed oil are added after temperature is down to 70 DEG C, insulated and stirred 20min, is ground into powder finally by after lyophilize.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (3)

1. an impeller pump dispellable mould casting porous plastics binding agent, is characterized in that, is made up of the raw material of following parts by weight:
Pentalyn 80-90 part, allyl phenoxy resin 18-22 part, modified montmorillonoid 15-18 part, polyacrylamide 12-16 part, polyvinyl alcohol 10-14 part, nanometer rubber powder 8-12 part, hydrogenated castor oil 8-12 part, putty powder 6-10 part, maltodextrin 5-8 part, palm wax 5-8 part, Vaseline 4-6 part, bay diacid 2-5 part, N-BUTYL ACETATE 35-40 part, water 60-70 part;
Its preparation method is as follows:
(1) in pentalyn, nanometer rubber powder and N-BUTYL ACETATE is added, after mixing under microwave frequency 2450MHz, power 600W microwave treatment 15-20min, allyl phenoxy resin and polyacrylamide is added again after temperature is down to 60-70 DEG C, insulated and stirred 25-30min, obtains material I;
(2) putty powder is added to the water making beating, after even slurry to be formed, adds palm wax and Vaseline, be warming up to 60-70 DEG C of insulated and stirred 15-20min, obtain material II;
(3) in material II, modified montmorillonoid and polyvinyl alcohol is added, supersound process 15-20min under ultrasonic frequency 40kHz, power 100W, then add material I, hydrogenated castor oil, maltodextrin and bay diacid, continue supersound process 10-15min, obtain binding agent.
2. impeller pump dispellable mould casting porous plastics binding agent according to claim 1, it is characterized in that, described modified montmorillonoid is made up of the raw material of following parts by weight: polynite 80-90 part, nano titanium oxide 7-10 part, nano-ceramic powder 12-15 part, zeolite powder 10-13 part, HPMC 8-10 part, cane molasses 6-9 part, Sodium Nitrite 4-7 part, water 120-150 part, its preparation method is: be first scattered in water by polynite, nano titanium oxide and Sodium Nitrite is added after soaking 1-2h, mixture is in ultrasonic frequency 40kHz, supersound process 25-30min under power 100W, then nano-ceramic powder and zeolite powder is added, continue supersound process 15-20min, again through the concentrated lotion making solid content 60-70%, HPMC and cane molasses is added in lotion, fully mix rear feeding freeze drier, final powder is broken into powder.
3. impeller pump dispellable mould casting porous plastics binding agent according to claim 1, it is characterized in that, described putty powder is made up of the raw material of following parts by weight: talcum powder 90-100 part, flyash 20-25 part, α-cyanoacrylate 15-20 part, xanthan gum 13-17 part, plant amylum 10-13 part, Sodium dodecylbenzene sulfonate 8-11 part, nano silicon 6-10 part, linseed oil 5-8 part, water 150-200 part, its preparation method is: first by talcum powder, α-cyanoacrylate and nano silicon are added to the water, in microwave frequency 2450MHz after being uniformly dispersed, microwave treatment 15-20min under power 600W, then flyash and xanthan gum is added, continue microwave treatment 5-10min, plant amylum is added after temperature is down to 60-70 DEG C, Sodium dodecylbenzene sulfonate and linseed oil, insulated and stirred 15-20min, powder is ground into finally by after lyophilize.
CN201510692776.9A 2015-10-21 2015-10-21 Foamed plastic binder for centrifugal pump lost foam casting Pending CN105368383A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105290312A (en) * 2015-10-21 2016-02-03 和县科嘉阀门铸造有限公司 Foamed plastic binder for lost foam casting of valve
CN105969306A (en) * 2016-06-23 2016-09-28 巢湖鹏远金属焊管有限公司 Heat-insulating jacket adhesive for heating/cooling steel pipe
CN106564998A (en) * 2016-11-01 2017-04-19 安徽环嘉天再生资源有限公司 Zero-discharge treatment process of recycled plastic high-concentration alkaline water
CN109159044A (en) * 2018-08-21 2019-01-08 盐城市锐克斯研磨科技有限公司 A kind of flap disc and its binder that blade is not easily to fall off

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CN103600020A (en) * 2013-12-03 2014-02-26 巩义市晶辉耐火材料有限公司 Binder and preparation method thereof
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105290312A (en) * 2015-10-21 2016-02-03 和县科嘉阀门铸造有限公司 Foamed plastic binder for lost foam casting of valve
CN105969306A (en) * 2016-06-23 2016-09-28 巢湖鹏远金属焊管有限公司 Heat-insulating jacket adhesive for heating/cooling steel pipe
CN106564998A (en) * 2016-11-01 2017-04-19 安徽环嘉天再生资源有限公司 Zero-discharge treatment process of recycled plastic high-concentration alkaline water
CN106564998B (en) * 2016-11-01 2019-05-14 安徽环嘉天一再生资源有限公司 Regenerated plastics high concentration alkali water zero discharge treatment process
CN109159044A (en) * 2018-08-21 2019-01-08 盐城市锐克斯研磨科技有限公司 A kind of flap disc and its binder that blade is not easily to fall off
CN109159044B (en) * 2018-08-21 2019-10-22 盐城市锐克斯研磨科技有限公司 A kind of flap disc and its binder that blade is not easily to fall off

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