CN106626170A - Mold release agent, preparation method and application - Google Patents
Mold release agent, preparation method and application Download PDFInfo
- Publication number
- CN106626170A CN106626170A CN201611239438.0A CN201611239438A CN106626170A CN 106626170 A CN106626170 A CN 106626170A CN 201611239438 A CN201611239438 A CN 201611239438A CN 106626170 A CN106626170 A CN 106626170A
- Authority
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- Prior art keywords
- parts
- releasing agent
- polyurethane
- mold
- mold release
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000006082 mold release agent Substances 0.000 title abstract 12
- 229920002635 polyurethane Polymers 0.000 claims abstract description 65
- 239000004814 polyurethane Substances 0.000 claims abstract description 65
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 44
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract 4
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000003795 chemical substances by application Substances 0.000 claims description 79
- 239000003292 glue Substances 0.000 claims description 20
- 235000011187 glycerol Nutrition 0.000 claims description 19
- 229920002545 silicone oil Polymers 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 12
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 9
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- NCWQJOGVLLNWEO-UHFFFAOYSA-N methylsilicon Chemical compound [Si]C NCWQJOGVLLNWEO-UHFFFAOYSA-N 0.000 claims description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 235000021355 Stearic acid Nutrition 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 239000008117 stearic acid Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 abstract 3
- 238000005266 casting Methods 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 abstract 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 7
- 235000013539 calcium stearate Nutrition 0.000 description 7
- 239000008116 calcium stearate Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 239000000565 sealant Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000004590 silicone sealant Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
- B29C33/62—Releasing, lubricating or separating agents based on polymers or oligomers
- B29C33/64—Silicone
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/58—Applying the releasing agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a mold release agent, a preparation method and application. The mold release agent is prepared from the following components in parts by weight: 10 to 15 parts of hydrogenated rosin methaester, 30 to 50 parts of methyl silicone oil, 25 to 45 parts of glycerol and 10 to 15 parts of stearate, wherein the glycerol is used as an intermediate solvent and has very good solubility on the hydrogenated rosin methaester and the methyl silicone oil; the formed mold release agent is very uniform; the hydrogenated rosin methaester is capable of increasing the adhesion of the mold release agent; the methyl silicone oil is capable of enhancing the lubricity of the mold release agent; the stearate is capable of increasing the hydrophobility of the mold release agent. The mold release agent disclosed by the invention is different from a traditional water-based mold release agent or an oily mold release agent, and the mold release agent belongs to inertial mold release agents, cannot be in chemical reaction with polyurethane and can be uniformly coated on a female die, so that adhesion between two-component polyurethane die rubber and the female die can be effectively avoided, and one-step casting molding of the polyurethane die is realized.
Description
Technical field
The present invention relates to a kind of releasing agent, preparation method and application.
Background technology
In the industrial production, more difficult demoulding when some plastics such as phenol, epoxy, polyester, polyethylene from high pressure process etc. is molded, adopts
Traditional releasing agent is tended not to meet and required, particularly during polyurethane moulded, the selection application of new type release agent
Indispensable important content is become.Polyurethane has very excellent adhesive property, almost has well with all material
Adhesive property, therefore the demoulding is a key issue for preparing polyurethane mould.Polyurethane can react with water, in aqueous release agent
Water reacts with NCO in polyurethane, generates carbon dioxide, causes polyurethane and master mold adhesion；Therefore can not use
Aqueous release agent.Also equally can occur with isocyanates containing a small amount of moisture content and reactive alcohols component in conventional oil-based release agent
A certain degree of reaction, still there is a certain degree of adhesion in the demoulding, affects the demoulding.And polyurethane mould manufacture requirements are very high,
Whole mould has the destruction of several points, is difficult to the component prepared with it.
The content of the invention
Based on this, the present invention provides the preparation method of a kind of releasing agent and releasing agent, and this releasing agent can be applied on master mold
Cover uniformly, be prevented effectively from bonding between dual-component polyurethane mold glue and master mold.
Based on this, the present invention also provides a kind of application of releasing agent in polyurethane mould is prepared, and is conducive to what is prepared
Polyurethane mould.
A kind of releasing agent, its component is counted by weight, including hercolyn D 10-15 parts, methyl-silicone oil 30-50
Part, glycerine 25-45 parts, stearate 10-15 parts.
Glycerine has good dissolubility as intermediate flux to hercolyn D, methyl-silicone oil, makes what is formed to take off
Mould agent is highly uniform, and hercolyn D can improve the adhesive force of releasing agent, and methyl-silicone oil can strengthen the lubricity of releasing agent,
Stearate can improve the hydrophobic ability of releasing agent.This kind of releasing agent is different from traditional aqueous release agent or oil-based release agent,
It belongs to inertia releasing agent, chemical reaction will not occur with polyurethane, and can coat on master mold uniformly, is prevented effectively from double
It is bonding between component polyurethane mold glue and master mold, be conducive to the polyurethane mould for preparing.
Wherein in one embodiment, its component is counted by weight, including hercolyn D 12-14 parts, methyl silicon
Oily 38-40 parts, glycerine 33-36 parts, stearate 12-14 parts.
Wherein in one embodiment, stearate is at least one in zinc stearate and calcium stearate.
A kind of preparation method of releasing agent, comprises the following steps：
Count by weight, by hercolyn D 10-15 parts, methyl-silicone oil 30-50 parts, the heating of glycerine 25-45 parts
It is well mixed to 80-100 DEG C, obtains mixed liquor；
Mixed liquor is well mixed with stearate 10-15 parts, releasing agent is obtained.
The preparation method of above-mentioned releasing agent is simple, the releasing agent for obtaining can be prevented effectively from dual-component polyurethane mold glue with
Bonding between female film, is applied to Making mold, there is good stripping result.
The present invention also provides a kind of application of releasing agent in polyurethane mould is prepared.
Wherein in one embodiment, the method for preparing polyurethane mould using above-mentioned releasing agent is comprised the following steps：
Releasing agent is coated on into the outer surface of master mold, then master mold is placed in external mold；
Dual-component polyurethane mold glue is injected into external mold, the component in dual-component polyurethane mold glue is polyurethane prepolymer
Body, another component is curing agent, and curing molding obtains polyurethane mould.
Wherein in one embodiment, before master mold to be moved on to the step in external mold, also including step：By master mold and pad
Block is fixed, and using fluid sealant by the gap sealing between master mold and cushion block.
Wherein in one embodiment, external mold is punching block or wooden model.
Wherein in one embodiment, the material of master mold is stone material, plastics, timber, imitative brick grain material.
Wherein in one embodiment, dual-component polyurethane mold glue is the dual-component polyurethane of shore hardness 60A-90A
Glue.
Description of the drawings
Schematic diagram when Fig. 1 is preparation of the polyurethane mould in external mold.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the preferred embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that of the invention in limiting.Term as used herein "and/or" includes one or more phases
The arbitrary and all of combination of the Listed Items of pass.
The releasing agent of this preferred embodiment, its component is counted by weight, hercolyn D 10-15 parts, methyl-silicone oil
30-50 parts, glycerine 25-45 parts, stearate 10-15 parts.
Glycerine has good dissolubility as intermediate flux to hercolyn D, methyl-silicone oil, makes what is formed to take off
Mould agent is highly uniform, and hercolyn D can improve the adhesive force of releasing agent, and methyl-silicone oil can strengthen the lubricity of releasing agent,
Stearate can improve the hydrophobic ability of releasing agent.This kind of releasing agent is different from traditional aqueous release agent or oil-based release agent,
It belongs to inertia releasing agent, chemical reaction will not occur with polyurethane, and can coat on master mold uniformly, is prevented effectively from double
It is bonding between component polyurethane mold glue and master mold, be conducive to the polyurethane mould for preparing.
Preferably, the component of releasing agent is counted by weight, including hercolyn D 12-14 parts, methyl-silicone oil 38-40
Part, glycerine 33-36 parts, stearate 12-14 parts.
According to this component meter, can dissolve between each component and be mixed into optimum degree.
Preferably, stearate is at least one in zinc stearate and calcium stearate.
Zinc stearate and calcium stearate hydrophobicity performance are preferable.
Present invention also offers the preparation method of the releasing agent of an above-mentioned embodiment, the preparation method is comprised the following steps：
Count by weight, by hercolyn D 10-15 parts, methyl-silicone oil 30-50 parts, the heating of glycerine 25-45 parts
To 80-100 DEG C, 8-12h is stirred, be sufficiently mixed uniformly, obtain mixed liquor；
Mixed liquor is well mixed with stearate 10-15 parts, releasing agent is obtained.
The preparation method of above-mentioned releasing agent is simple, the releasing agent for obtaining can be prevented effectively from dual-component polyurethane mold glue with
Bonding between female film, is applied to Making mold, there is good stripping result.
The present invention also provides a kind of application of releasing agent in polyurethane mould is prepared.
Wherein in one embodiment, the method for preparing polyurethane mould using above-mentioned releasing agent is comprised the following steps：
Releasing agent is coated on into the outer surface of master mold, then master mold is placed in external mold；
Dual-component polyurethane mold glue is injected into external mold, the component in dual-component polyurethane mold glue is polyurethane prepolymer
Body, another component is curing agent, and curing molding obtains polyurethane mould.
Wherein external mold includes bed die and Bian Mo.
Application of this releasing agent in polyurethane mould is prepared, by using releasing agent to dual-component polyurethane mold glue
Isolated with master mold, it is to avoid dual-component polyurethane mold glue bonding force by force with the problem of master mold adhesion, accomplished once to pour
Injection forming polyurethane mould.
Wherein in one embodiment, before master mold to be moved on to the step in external mold, also including step：By master mold and pad
Block is fixed, and using fluid sealant by the gap sealing between master mold and cushion block.
Wherein fluid sealant is silicone sealant.
Different products is different to the thickness requirement of mould, by master mold being added into cushion block and being fixed, it is possible to achieve different
Thickness requirement, cushion block is generally wooden unit, and the fixed form between master mold and cushion block can be fixed for nailing, and close using fluid sealant
Gap between envelope master mold and cushion block so as to become an entirety.
Preferably, fluid sealant is silicone sealant.
Preferably, master mold is the sketch plate of surface irregularity.
This kind of irregular sketch plate can require according to Building Design, be fabricated to variously-shaped and thickness or have various
Surface is overwrought, it is adaptable to the mould and technique of large size special-shaped architectural concrete plate manufacture.
Preferably, the material of master mold is stone material, plastics, timber, imitative brick grain material.
Wherein in one embodiment, when the material of master mold is timber, in the outer surface that releasing agent is coated on master mold
The step of before, also including step：The outer surface coating polyesters double-component woodcare paint of master mold is carried out into Seal treatment.
Wherein polyesters double-component woodcare paint can be polyurethane bicomponent woodcare paint.
The purpose for being substantially carried out closing using polyesters double-component woodcare paint is its surface when using timber as master mold
Boring ratio is larger, prevents the polyurethane mould top layer for making coarse rough.
Preferably, external mold is punching block or wooden model.
Preferably, dual-component polyurethane mold glue is the two-component polyurethane adhesive of shore hardness 60A-90A.
It is below specific embodiment：
Embodiment 1
The preparation method of the releasing agent of embodiment 1 is as follows：Hercolyn D, methyl-silicone oil, glycerine are heated to into 90
DEG C stirring 10h be well mixed, obtain mixed liquor, mixed liquor is well mixed with zinc stearate, obtain releasing agent.
Wherein, the component of releasing agent is counted by weight including 12 parts of hercolyn D, 38 parts of methyl-silicone oil, glycerine
33 parts, 12 parts of zinc stearate.
The outer surface of master mold 12 coating polyurethane bicomponent woodcare paint is carried out into Seal treatment, master mold 12 is consolidated with cushion block 13
It is fixed, and releasing agent is coated on by the gap sealing between master mold 12 and cushion block 13 by master mold 12 and cushion block using silicone sealant
13 outer surface, then moves on to master mold 12 and cushion block 13 in external mold 14, pours the polyurethane mould glue of double-component into external mold 14
In, the demoulding after 10h under normal temperature cleans up polyurethane mould 13 after the demoulding standby, after standing 3-5 days, treats urethane cures,
Obtain polyurethane mould 13.
Wherein master mold material is timber.
Wherein dual-component polyurethane mold glue is purchased from the China of Yantai ten thousand 70A models, and one of which component is base polyurethane prepolymer for use as,
Another kind of component is curing agent.
Embodiment 2
The preparation method of the releasing agent of embodiment 2 is as follows：The releasing agent preparation method of embodiment 2 and the demoulding of embodiment 1
The preparation method of agent is essentially identical, and difference is that the component of releasing agent is counted by weight including hercolyn D 14
Part, 40 parts of methyl-silicone oil, 36 parts of glycerine, 14 parts of zinc stearate, hercolyn D, methyl-silicone oil, glycerine are heated to 95
DEG C stirring 12h be well mixed.
The preparation method of polyurethane mould is essentially identical with the preparation method of polyurethane grinding tool in embodiment 1 in embodiment 2,
Difference is to pour the polyurethane mould glue of double-component in external mold 14 into, the 8h demouldings under normal temperature.
Embodiment 3
The preparation method of the releasing agent of embodiment 3 is as follows：The releasing agent preparation method of embodiment 3 and the demoulding of embodiment 1
The preparation method of agent is essentially identical, and difference is to replace zinc stearate using calcium stearate, and the component of releasing agent is by weight
Number meter include 10 parts of hercolyn D, 30 parts of methyl-silicone oil, 25 parts of glycerine, 10 parts of calcium stearate, hercolyn D,
Methyl-silicone oil, glycerine are heated to 80 DEG C of stirring 9h and are well mixed.
The preparation method of polyurethane mould is essentially identical with the preparation method of polyurethane grinding tool in embodiment 1 in embodiment 3,
Difference is to pour the polyurethane mould glue of double-component in external mold 14 into, the 12h demouldings under normal temperature.
Embodiment 4
The preparation method of the releasing agent of embodiment 4 is as follows：The releasing agent preparation method of embodiment 4 and the demoulding of embodiment 1
The preparation method of agent is essentially identical, and difference is to replace zinc stearate using calcium stearate, and the component of releasing agent is by weight
Number meter include 15 parts of hercolyn D, 50 parts of methyl-silicone oil, 45 parts of glycerine, 15 parts of calcium stearate, hercolyn D,
Methyl-silicone oil, glycerine are heated to 100 DEG C of stirring 9h and are well mixed.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art comes
Say, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of releasing agent, it is characterised in that its component is counted by weight, including hercolyn D 10-15 parts, methyl silicon
Oily 30-50 parts, glycerine 25-45 parts, stearate 10-15 parts.
2. releasing agent according to claim 1, it is characterised in that its component is counted by weight, including hydrogenated rosin first
Ester 12-14 parts, methyl-silicone oil 38-40 parts, glycerine 33-36 parts, stearate 12-14 parts.
3. releasing agent according to claim 1 and 2, it is characterised in that the stearate is zinc stearate and stearic acid
At least one in calcium.
4. a kind of preparation method of releasing agent, it is characterised in that comprise the following steps：
Count by weight, hercolyn D 10-15 parts, methyl-silicone oil 30-50 parts, glycerine 25-45 parts are heated to into 80-
100 DEG C are well mixed, and obtain mixed liquor；
The mixed liquor is well mixed with stearate 10-15 parts, the releasing agent is obtained.
5. application of the releasing agent according to any one of claims 1 to 3 in polyurethane mould is prepared.
6. application of the releasing agent according to claim 5 in polyurethane mould is prepared, it is characterised in that including following step
Suddenly：
The releasing agent is coated on into the outer surface of master mold, then the master mold is placed in external mold；
Dual-component polyurethane mold glue is injected into the external mold, the component in the dual-component polyurethane mold glue is polyurethane
Performed polymer, another component is curing agent, and curing molding obtains polyurethane mould.
7. application of the releasing agent according to claim 6 in polyurethane mould is prepared, it is characterised in that the external mold is
Punching block or wooden model.
8. application of the releasing agent according to any one of claim 5～7 in polyurethane mould is prepared, it is characterised in that
Before the master mold to be moved on to the step in the external mold, also including step：The master mold and cushion block are fixed, and using close
Sealing is by the gap sealing between the master mold and cushion block.
9. application of the releasing agent according to claim 8 in polyurethane mould is prepared, it is characterised in that the material of master mold
For stone material, plastics, timber, imitative brick grain material.
10. application of the releasing agent according to claim 9 in polyurethane mould is prepared, it is characterised in that described pair of group
Part polyurethane mould glue is the two-component polyurethane adhesive of shore hardness 60A-90A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611239438.0A CN106626170B (en) | 2016-12-28 | 2016-12-28 | Release agent, preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611239438.0A CN106626170B (en) | 2016-12-28 | 2016-12-28 | Release agent, preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106626170A true CN106626170A (en) | 2017-05-10 |
| CN106626170B CN106626170B (en) | 2019-08-20 |
Family
ID=58835341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611239438.0A Expired - Fee Related CN106626170B (en) | 2016-12-28 | 2016-12-28 | Release agent, preparation method and application |
Country Status (1)
| Country | Link |
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| CN (1) | CN106626170B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650307A (en) * | 2017-09-21 | 2018-02-02 | 上海稳优实业有限公司 | Aqueous, environmental protective releasing agent |
| CN108381827A (en) * | 2018-03-26 | 2018-08-10 | 佛山市顺德区佳力精细化工有限公司 | A kind of non-silicone oil mold release agent and preparation method thereof |
| CN114482540A (en) * | 2021-12-28 | 2022-05-13 | 福建建工建材科技开发有限公司 | Composite demolding process for UHPC (ultra high performance polycarbonate) clear water veneer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650307A (en) * | 2017-09-21 | 2018-02-02 | 上海稳优实业有限公司 | Aqueous, environmental protective releasing agent |
| CN108381827A (en) * | 2018-03-26 | 2018-08-10 | 佛山市顺德区佳力精细化工有限公司 | A kind of non-silicone oil mold release agent and preparation method thereof |
| CN114482540A (en) * | 2021-12-28 | 2022-05-13 | 福建建工建材科技开发有限公司 | Composite demolding process for UHPC (ultra high performance polycarbonate) clear water veneer |
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| Publication number | Publication date |
|---|---|
| CN106626170B (en) | 2019-08-20 |
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