CN101664976B - Release agent composition for polyurethane foam molding - Google Patents
Release agent composition for polyurethane foam molding Download PDFInfo
- Publication number
- CN101664976B CN101664976B CN 200910140592 CN200910140592A CN101664976B CN 101664976 B CN101664976 B CN 101664976B CN 200910140592 CN200910140592 CN 200910140592 CN 200910140592 A CN200910140592 A CN 200910140592A CN 101664976 B CN101664976 B CN 101664976B
- Authority
- CN
- China
- Prior art keywords
- release agent
- polyurethane foam
- mixed liquor
- composition
- weight portions
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a release agent composition for polyurethane foam molding with great release property, capable of preventing crack and mold contamination during molding. Providing a total weight of the release agent composition of 100 weight parts, 1.0 to 20 weight parts of release composition, 0.01 to 10 weight parts of oil-soluble oligomer, 1.0-25 weight parts of lipophilic solvent are added into a first mixture liquid containing 0.01-10 weight parts of surfactant and a second mixture liquid containing 5-20 weight parts of ether and 50-60 weight parts of water, and the mixture is modulated to the release agent composition for polyurethane foam molding represented as an aqueous dispersion W/O type emulsion containing the release agent in the lipophilic solvent phase.
Description
Technical field
The present invention relates to a kind of release agent composition for polyurethane foam molding.
Background technology
In the moulding of polyurethane foam, thus during moulding sometimes since take place the broken bubble of polyurethane foam produce on the surface depression just bubble split surface characteristic variation thus.And since on the surface of mould because of remaining resinification mould deposit, produce so-called mold fouling, thus regular cleaning mold.Therefore, in order to reduce these problems, when polyurethane foam molding, be extensive use of and prevent the releasing agent that polyurethane foam and mould adhere to.As use this releasing agent, just the polyurethane foam as the moulding product is easily broken away from from mould, and can suppress aforesaid bubble and split or mold fouling.
As the demoulding composition that is included in the releasing agent, known to have: organosilicon, wax class etc. as releasing agent, have the dissolving of aforementioned demoulding composition or are dispersed in the aqueous release agent in the water and are dissolved in solvent release agent in the organic solvent such as hydrocarbon ils.
At this, the aqueous release agent that polyurethane foam molding is used is compared with solvent release agent, influence to human body or environment is few, and, consider that from the viewpoint of fire service law maintenance management is also easy, therefore especially be conceived to aqueous release agent (for example, with reference to patent documentation 1～4) recently.
[patent documentation 1] spy opens the 2005-199504 communique
[patent documentation 2] spy opens the 2001-96541 communique
[patent documentation 3] spy opens the 2000-265068 communique
[patent documentation 4] spy opens flat 6-226752 communique
Summary of the invention
The problem that invention will solve
But, above-mentioned aqueous release agent, though it is few to human body or ambient influnence, and in fire service law the light advantage of administrative burden is arranged, but the difference according to molding procedure, compare with solvent release agent to exist and prevent that bubble from splitting effect, and prevent that the mold fouling effect is all bad, and aspect product properties in-problem situation.Thereby, can tackle all molding procedure, and can possess the aqueous release agent composition with the equal performance of solvent release agent, also be not found in the actual conditions.
The present invention, in view of above-mentioned actual conditions, with provide a kind of possess prevent that bubble from splitting effect and preventing that the mold fouling effect is good, and good to human body or environment, and the light release agent composition for polyurethane foam molding of administrative burden be purpose.
Solve the method for problem
(bubble splits the problem of the inventor during to relevant polyurethane foam molding, mold fouling, and fricative generation etc.) and the composition of releasing agent between association carried out deep research, its result, find that such as described below composition can bring into play premium properties, thereby finished the present invention.
Namely, the present invention is characterised in that to mix with the 2nd mixed liquor that comprises ethers and water by the 1st mixed liquor that will comprise demoulding composition, oil-soluble oligomer, lipophile solvent and surfactant to make, and, be rendered as the lipophile solvent that contains aforementioned demoulding composition mutually in the release agent composition for polyurethane foam molding (below, be called suitable mold release compositions) of the w/o type emulsion that disperses of water.
When the remover composition at mould coating w/o type emulsion of the present invention, compared with constituting in the past, distinguish that its wettability is extremely good.And the relevant bubble that prevents splits effect, prevents the mold fouling effect, and the attenuating effect of grating, compares with aqueous release agent in the past, can distinguish extremely good.And, the characteristic that also has the rate of drying on mould to be exceedingly fast.At this, usually, become the state that oil adheres in the residual wax class that last time sprayed of the surface of mould meeting.Therefore, when the remover composition at the mould coating w/o type emulsion that is in this state, the outer periphery surface of said composition because be oil content therefore mutual tack is high, can think that thus wettability improves.On the other hand, the inventor has analyzed the aqueous release agent that in the past constituted, and its result distinguishes that all aqueous release agents all are made of O/W type emulsion.Thus, the inventor has obtained following opinion.That is, the releasing agent of O/W type emulsion, because its formation is to form moisture in the outside, therefore with the relation of foregoing mould in the tack extreme difference.Therefore, can think and fully do not form in the past aqueous release agent film at mould, thereby can not suitably bring into play its performance.And O/W type emulsion is to form moisture in the outside because it constitutes as described above, therefore can think dry slack-off on mould.Such opinion is the basis that constitutes with all O/W type emulsion.
But, among above-mentioned the present invention, also can suitably add antioxidant.And, by its cooperation ratio of appropriate change, no matter be to make it as heat cure polyurethane foam molding usefulness, still make it as cold-cured polyurethane foams moulding usefulness, it all can as the foam-formed usefulness of high resilience polyurethane.
At this, as aforementioned demoulding composition, for example, mainly can enumerate the wax class.As aforementioned wax class, for example can enumerate: straight chain branched polyethylene wax, ethylene/propene copolymer wax, crystallite (stone) wax, paraffin, f-t synthetic wax, montan wax, high ' alpha ' olefin polymer etc.And other also can enumerate silicone oil, fatty acid metal soap class, ester is wax class, organic phosphorus compound class etc.
In addition, aforementioned oil-soluble oligomer is as the dispersant of demoulding composition and use.For example adopt: the amorphism olefin oligomer, liquid polybutene, liquid polyisoprene, the liquid butyl rubber, or number-average molecular weight such as liquid polyisobutene is low molecular compound in the liquid below 2000, especially preferably uses ethylene-propylene copolymer.
In addition, as aforementioned lipophile solvent, for example can enumerate: hydro carbons, mineral turpentine, ethers, glycol ethers, fatty acid, or the ester class etc.Described lipophile solvent is considered preferred the use more than the 2nd petroleum-type from the viewpoint of risk factor.
In addition, aforesaid surfactant is exactly w/o type emulsion emulsifying agent in other words, for example can enumerate: sucrose fatty ester, and fatty acid glyceride, sorbitan fatty acid esters, methyl glycol fatty acid ester, amphoteric surfactant, or lecithin etc.
In addition, as aforementioned ethers, for example can enumerate: glycol ethers, especially preferably use propylene glycol monomethyl ether.
Mold release compositions of the present invention, the 1st mixed liquor by will comprising demoulding composition, oil-soluble oligomer, lipophile solvent and surfactant and the 2nd mixed liquor that comprises ethers and water are mixed and made into that w/o type emulsion obtains, at this, when the 1st mixed liquor and the 2nd mixed liquor are mixed, the 2nd mixed liquor is injected the 1st mixed liquor and mix while preferably stir.Aforementioned the 1st mixed liquor for example by demoulding composition is dispersed in the lipophile solvent, and mixes the oil-soluble oligomer that stirs ormal weight and surfactant and makes in this dispersion liquid.Demoulding composition by with its heating and melting in the lipophile solvent, can be dispersed in the lipophile solvent.In addition, as the patent method that No. 3723810 communique is put down in writing, even if in the case of wet attrition dispersion machine, stir releasing agent and lipophile solvent and releasing agent is ground into particulate, also can in the lipophile solvent, evenly disperse releasing agent.On the other hand, the 2nd mixed liquor makes by ethers and water are mixed according to a conventional method.In addition, in mold release compositions of the present invention, except mixing the 1st mixed liquor and the 2nd mixed liquor, also can mix additives such as antioxidant.
Have again, in the above-described configuration, that advises constitutes: when the total amount of aforementioned mold release compositions is set at 100 weight portions, the aforementioned demoulding composition that is included in aforementioned the 1st mixed liquor is 1.0～20 weight portions, aforementioned oil-soluble oligomer is 0.01～10 weight portion, and aforementioned lipophile solvent is 1.0～25 weight portions, and aforementioned surfactants is 0.01～10 weight portion, the aforementioned ethers that is included in aforementioned the 2nd mixed liquor is 5～20 weight portions, and aforementioned water is 50～60 weight portions.
By being set at such formation, it is stable that w/o type emulsion can keep.Illustrated that when using surfactant preparation w/o type emulsion, the HLB value reaches about 3～8.Relative therewith, if the HLB value is about 8～16, then become O/W type emulsion.
Illustrated that if aforementioned demoulding composition less than 1.0 weight portions, then can not be brought into play release property and not preferred.In addition, as surpassing 20.0 weight portions, then w/o type emulsion becomes unstable and not preferred.As optimal scope, be more than 1.0 weight portions, below 10.0 weight portions.At this, as surpassing 10.0 weight portions, be necessary to dilute operation when then using, thereby operation descends to some extent also in the polyurethane foam molding operation.
Aforementioned oil-soluble oligomer, if less than 0.01 weight portion, then w/o type emulsion becomes unstable and not preferred.In addition, if surpass 10.0 weight portions, release property variation then is difficult to operation and not preferred.
Aforementioned lipophile solvent, as less than 1.0 weight portions, then w/o type emulsion becomes unstable and not preferred.In addition, as surpassing 25.0 weight portions, consider not preferred from viewpoint or the managerial viewpoint of keeping of environmental protection.
Aforementioned surfactants, as less than 0.01 weight portion, then w/o type emulsion becomes unstable and not preferred.In addition, when surpassing 10.0 weight portions, then w/o type emulsion also becomes unstable and not preferred.The most suitable scope is below above 2 weight portions of 0.01 weight portion.As be 2 weight portions when following, w/o type emulsion is extremely stable.
Aforementioned ethers, as less than 5.0 weight portions, then w/o type emulsion becomes unstable and not preferred.And when surpassing 20.0 weight portions, then w/o type emulsion also becomes unstable and not preferred.
Aforementioned water is preferably 50.0 weight portions～60.0 weight portions.As less than 50.0 weight portions, this mold release compositions can't be categorized as water-soluble, and from the viewpoint of environmental protection, or the managerial viewpoint of keeping is considered not preferred.In addition, as surpassing 60.0 weight portions, then w/o type emulsion becomes unstable and not preferred.
The invention effect
Release agent composition for polyurethane foam molding of the present invention, mix obtained by the 1st mixed liquor that will comprise demoulding composition, oil-soluble oligomer, lipophile solvent and surfactant with the 2nd mixed liquor that comprises ethers and water, and because being rendered as w/o type emulsion, therefore have and to prevent that bubble from splitting, when mold fouling takes place, the advantage of the sound of can reducing friction.Therefore, in same mould, carry out processing and forming repeatedly even if having, also can make the effect of the good moulding product of surface characteristic in a large number.
In addition, in the foregoing invention, when constituting: when the total amount of aforementioned mold release compositions is set at 100 weight portions, the aforementioned demoulding composition that is included in aforementioned the 1st mixed liquor is 1.0～20 weight portions, aforementioned oil-soluble oligomer is 0.01～10 weight portion, aforementioned lipophile solvent is 1.0～25 weight portions, and aforementioned surfactants is 0.01～10 weight portion, the aforementioned ethers that is included in aforementioned the 2nd mixed liquor is 5～20 weight portions, when aforementioned water is 50～60 weight portions, has the stable effect of w/o type emulsion.And because it has composition as aqueous release agent, therefore safety management is easy on fire service law, also can eliminate the problem of VOC countermeasure simultaneously, and also have the effect that can suppress the carbon dioxide generating amount.
Description of drawings
Fig. 1 is the photo of the surface state of the expression polyurethane foam of using embodiment 2 moulding.
Fig. 2 is the photo of the surface state of the expression polyurethane foam of using comparative example 2 moulding.
Fig. 3 is the photo of the surface state of the expression polyurethane foam of using comparative example 3 moulding.
Fig. 4 is the photo of the surface state of the expression polyurethane foam of using comparative example 4 moulding.
The specific embodiment
Below, for release agent composition for polyurethane foam molding of the present invention (hereinafter referred to as " mold release compositions "), enumerate embodiment and comparative example describes particularly.
(about the modulation of mold release compositions)
As detailed below, with the modulation of the proportioning shown in the table 1 embodiment 1～3 (the present invention's product), and the mold release compositions of comparative example 1～4.
Embodiment 1～3
According to the regulation ratio shown in the table 1, demoulding composition (A) is dispersed in the lipophile solvent (C), and in this dispersion liquid, mix to stir oil-soluble oligomer (B) and surfactant (D) is modulated the 1st mixed liquor, then, according to the regulation ratio shown in the table 1, ethers (E) and water are mixed to modulate the 2nd mixed liquor, the 2nd mixed liquor is injected the 1st mixed liquor and mix while stir, thereby become the aqueous release agent composition of w/o type emulsion.At this, " aqueous release agent composition " refers to be equivalent to contain at least the mold release compositions of 50% above water among total amount.Table 1 is the proportioning that the total amount of the mold release compositions of each embodiment and each comparative example is decided to be separately each composition of 100 o'clock.
Comparative example 1,2
According to the regulation ratio shown in the table 1, demoulding composition (A) is dispersed in the lipophile solvent (C), and in this dispersion liquid, mix stirring surfactant (D) and modulate the 1st mixed liquor, then, according to the regulation ratio shown in the table 1, ethers (E) and water are mixed to modulate the 2nd mixed liquor, the 2nd mixed liquor is injected the 1st mixed liquor and mix while stir again, thereby become the aqueous release agent composition of O/W type emulsion.
Comparative example 3,4
According to the regulation ratio shown in the table 1,, cool off again, thereby be modulated into the solvent release agent composition by demoulding composition (A) and the made solution of lipophile solvent (C) with 100 ℃ temperature heating and meltings.
Comparative example 5
According to the regulation ratio shown in the table 1, demoulding composition (A) is dispersed in the lipophile solvent (C), and in this dispersion liquid, mix and stir oil-soluble oligomer (B), and surfactant (D) is modulated the 1st mixed liquor, then, according to the regulation ratio shown in the table 1, alcohols (F) and water are mixed to modulate the 2nd mixed liquor, the 2nd mixed liquor is injected the 1st mixed liquor and mix while stirring again, thereby become the aqueous release agent composition of w/o type emulsion.
Here, in the table 1, as the employed concrete commodity of each composition as described below.
(A) wax a (straight chain branched polyethylene wax): Japan ペ ト ロ ラ イ ト Co., Ltd. system, trade name " Port リ ワ Star Network ス "
(A) wax b (ethylene/propene copolymer wax): Japan ペ ト ロ ラ イ ト Co., Ltd. system, trade name " ペ ト ロ ラ イ ト "
(A) wax c (f-t synthetic wax)
(A) organosilicon: organosilicon Co., Ltd. of GE Toshiba system, TSF451-100
(B) ethylene-propylene copolymer: commercially available product
(C) mineral turpentine: Nippon Oil Co., Ltd's system, trade name " Network レ Application ゾ Le "
(C) aromatic hydrocarbon: commercially available (mixing) dimethylbenzene
(D) polyoxyethylene alkyl amine: Kao Corp's system, trade name " ア ミ one ト "
(D) sorbitan fatty acid esters: Kao Corp's system, trade name " レ オ De one Le "
(E) glycol ethers: commercially available propylene glycol monomethyl ether
(F) ethanol: commercially available absolute ethyl alcohol
(about performance test)
Mold release compositions to above-described embodiment 1～3 and comparative example 1～4 carries out following performance test.
Zero performance test 1
Object: embodiment 1, comparative example 1
Assess performance: bubble splits mold fouling
Content: (behind the mold release compositions of 170 * 115 * 21mm) spraying above-described embodiments 1 and comparative example 1, be dried 40 seconds at 35 ℃ iron moulds.Then, use commercially available cold-cured polyurethane foams raw material, mix and be injected in the mould with the cooperation ratio of regulation, and under 35 ℃ temperature, make its reaction 5 minutes.Then, the visual observations surface state of the polyurethane foam molding product of the demoulding (still splitting arranged) and estimating.Evaluation for table 1 is represented, " ◎ " expression: the still state that splits, " zero " expression: bubble diameter has the state of excessive tendency, " * " expression: the state that has bubble to split.
In addition, with the mould after the mineral turpentine washing moulding, visual observations remains in the amount of the resinification reactant on the mould and estimates the mold fouling degree.Illustrated, in table 1, " zero " expression: metallic luster is arranged, pollute few state, " * " expression: pollute many states.
Zero performance test 2
Object: embodiment 2,3, comparative example 2～4
Assess performance: bubble splits mold fouling
Content: (behind the mold release compositions of 170 * 115 * 21mm) spraying above-described embodiments 2,3 and comparative example 2～4, be dried 1 minute at 65 ℃ iron moulds.Then, use commercially available high resiliency (HR) polyurethane foam raw material, mix and be injected in the mould with the cooperation ratio of regulation, and under 65 ℃ temperature, make its reaction 7 minutes.Then, the visual observations surface state of the polyurethane foam molding product of the demoulding (still splitting arranged) and estimating.Evaluation in the table 1 is represented, and is identical with performance test 1.
In addition, with the mould after the mineral turpentine washing moulding, visual observations remains in the amount of the resinification reactant on the mould and estimates the mold fouling degree.Evaluation in the table 1 is represented, and is identical with performance test 1.
Zero performance test 3
Object: embodiment 1～3, comparative example 1～4
Assess performance: fricative
Content: will carry out moulding product after the performance test 1 after leaving standstill 1 day under 25 ℃ the temperature, arcus part (φ 4mm) with S shape spring leaf, spending with contact angle 45, rub under the condition of weighing load 87gf, and in the position of distance 10cm with microphone (MIC) noisemeter (SA-27,1/3 scale (octave) real time analysis meter: the リ オ Application Co., Ltd. system) sound that sends at this moment of instrumentation.
(about results of property 1～3)
The result of above-mentioned performance test 1～3 is as shown in table 1.
In addition, the accompanying drawing 1 expression surface state of the polyurethane foam of embodiment 2 moulding, Fig. 2 represents the surface state with the polyurethane foam of comparative example 2 moulding, Fig. 3 represents the surface state with the polyurethane foam of comparative example 3 moulding, and Fig. 4 represents the surface state with the polyurethane foam of comparative example 4 moulding.
(investigating 1: split mold fouling about bubble)
Each mold release compositions of embodiment 1～3 is compared with comparative example 1,2, and the mold fouling after wherein any one moulding is tailed off, and can't see bubble simultaneously and splits, and can obtain moulding product (polyurethane foam) in apparent good order and condition.For example, do not see bad part on the surface of the polyurethane foam of using 2 moulding embodiment illustrated in fig. 1, but use the surface state of the moulding product of comparative example 2 moulding shown in Figure 2 to be found everywhere bad part x.
At this, the bubble that can distinguish embodiment 1～3 splits and prevents effect, and mold fouling prevents effect, and the comparative example 4 with solvent release agent is equal good basically.For example, the surface state of the moulding product of the surface state of the moulding product of use embodiment 2 moulding and 4 moulding of use comparative example is roughly equal extent (with reference to Fig. 1,4).And, as shown in Figure 3, be found everywhere bad part x at the moulding product that use comparative example 3 moulding, when embodiment 2 and comparative example 3 were compared, embodiment 2 can obtain extraordinary good product (with reference to Fig. 1,3).
(investigating 2: about fricative)
In addition, each mold release compositions of embodiment 1～3 is compared with comparative example 1～4, has realized the fricative attenuating of moulding product.Particularly, the fricative of embodiment 1～3 approximately has only fricative 70% of comparative example 1～4.
(other)
The viscosity of embodiment 1～3 (the present invention's product) is about 1000cps, and the viscosity of comparative example 1～4 (product in the past) is about 20cps.Thereby the present invention's product have the not segregative advantage of releasing agent itself (for example, can not separate more than at least 3 months).And, the present invention's product and in the past product be in a ratio of high viscosity, can be by the suitable injection of known spray gun, therefore in operation, do not have problems yet.
Zero performance test 4
Object: embodiment 1, comparative example 5
Assess performance: dispersiveness
Content: the mold release compositions of embodiment 1 and comparative example 5 put into transparent vessel separately and place at normal temperatures, observe again its through the time change.Its result, the mold release compositions of embodiment 1 was not seen separating of water and oil phase yet after 1 month, remain uniform w/o type emulsion always.On the other hand, separating of water and oil phase just appear in the mold release compositions of comparative example 5 about 1 week, and water roughly separates fully with oil phase after 1 month.This result shows, in order to make w/o type emulsion stabilisation, the mixed liquor of ethers and water be combined with certain effect.
Illustrated, in the above-mentioned embodiment, be attached to effectively on the mould in order to make the thick film as releasing agent, carried out dispersing of solvent and moisture effectively, and adopt the correlation technique of No. the 3723810th, patent especially effective.
Claims (1)
1. release agent composition for polyurethane foam molding is characterized in that, it is to mix with the 2nd mixed liquor that comprises ethers and water by the 1st mixed liquor that will comprise demoulding composition, oil-soluble oligomer, lipophile solvent and surfactant to make,
And, be rendered as the lipophile solvent that contains described demoulding composition mutually in the w/o type emulsion that disperses of water,
Wherein, when the total amount of described mold release compositions is set at 100 weight portions, the described demoulding composition that is included in described the 1st mixed liquor is that 1.0～20 weight portions, described oil-soluble oligomer are that 0.01～10 weight portion, described lipophile solvent are that 1.0～25 weight portions and described surfactant are 0.01～10 weight portion, the described ethers that is included in described the 2nd mixed liquor is that 5～20 weight portions, described water are 50～60 weight portions
Wherein, described demoulding composition is wax class or organosilicon,
Described lipophile solvent is mineral turpentine,
Described oil-soluble oligomer is ethylene-propylene copolymer,
Described surfactant is sorbitan fatty acid esters,
Described ethers is glycol ethers.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008224521 | 2008-09-02 | ||
| JP2008224521A JP4589429B2 (en) | 2008-09-02 | 2008-09-02 | Mold release agent composition for polyurethane foam molding |
| JP2008-224521 | 2008-09-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101664976A CN101664976A (en) | 2010-03-10 |
| CN101664976B true CN101664976B (en) | 2013-08-21 |
Family
ID=41801832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910140592 Expired - Fee Related CN101664976B (en) | 2008-09-02 | 2009-05-12 | Release agent composition for polyurethane foam molding |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4589429B2 (en) |
| CN (1) | CN101664976B (en) |
| HK (1) | HK1138539A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913215A (en) * | 2010-07-14 | 2010-12-15 | 常熟理工学院 | Polyurethane release agent special for automobile ornaments and preparation method thereof |
| WO2014188589A1 (en) * | 2013-05-24 | 2014-11-27 | 有限会社エスアコード | Water-in-oil emulsion mold release agent for polyurethane foam molding |
| CN105252678B (en) * | 2015-11-06 | 2017-11-14 | 沈阳化工大学 | A kind of high temperature resistant wax system environment-protecting polyurethane releasing agent and preparation method thereof |
| WO2019008779A1 (en) * | 2017-07-04 | 2019-01-10 | 長瀬産業株式会社 | Release agent composition, method for forming release film, method for producing release agent composition, and production device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306032A (en) * | 2000-11-27 | 2001-08-01 | 中国科学院长春应用化学研究所 | Die press method for producing composite products of used plastics and powdered coal ash |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0164501B1 (en) * | 1984-03-16 | 1993-06-23 | AIR PRODUCTS AND CHEMICALS PURA GmbH & Co. | Mould release agent and method for producing polyurethane foam articles using this agent |
| JP4684466B2 (en) * | 2000-05-09 | 2011-05-18 | 三和油化工業株式会社 | Aqueous release agent composition for molding polyurethane foam |
| JP2003048218A (en) * | 2001-05-31 | 2003-02-18 | Mitsubishi Plastics Ind Ltd | Release agent composition |
-
2008
- 2008-09-02 JP JP2008224521A patent/JP4589429B2/en not_active Expired - Fee Related
-
2009
- 2009-05-12 CN CN 200910140592 patent/CN101664976B/en not_active Expired - Fee Related
-
2010
- 2010-04-30 HK HK10104270.1A patent/HK1138539A1/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306032A (en) * | 2000-11-27 | 2001-08-01 | 中国科学院长春应用化学研究所 | Die press method for producing composite products of used plastics and powdered coal ash |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1138539A1 (en) | 2010-08-27 |
| JP4589429B2 (en) | 2010-12-01 |
| JP2010058310A (en) | 2010-03-18 |
| CN101664976A (en) | 2010-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101664976B (en) | Release agent composition for polyurethane foam molding | |
| FR2498615A1 (en) | AQUEOUS SILICONE RESIN EMULSIONS AND PROCESS FOR THEIR PREPARATION | |
| WO2008064125A2 (en) | Pigment-based non-aqueous ink-jet inks | |
| JP2010530008A (en) | Pigment aqueous dispersion | |
| KR100710538B1 (en) | Hard surface treating agent, stain-proofing agent and method for surface treatment | |
| JPH02151676A (en) | Automobile lustering agent | |
| CN105038407A (en) | Ink with enhanced wetting properties | |
| EP2721083A1 (en) | Nonionic associative thickeners containing cyclohexylol alkyls, formulations containing same and uses thereof | |
| US6162290A (en) | Release agent | |
| TWI507472B (en) | Preparation method of aqueous dispersion composition of benzofuran-indene resin and emulsion dispersion composition | |
| CN104920351B (en) | Emulsifier special for pesticide emulsifiable concentrates | |
| CN110281433A (en) | A kind of industrial release agent of rubber-moulding and preparation method thereof | |
| CN1283734C (en) | Water pigment dispersion, ink-jet ink and method for making water pigment dispersion | |
| US2733154A (en) | Polishing compositions | |
| JP5829503B2 (en) | Surface treatment agent | |
| JP2021526164A (en) | As a wax composition containing a linear hydrocarbon, a branched hydrocarbon and an oxidized hydrocarbon, an aqueous dispersion of the wax composition, a method for producing the wax composition and the dispersion, and a carnauba wax substitute. Its use | |
| JP2017119760A (en) | Water-repellent composition and woody board obtained by adding the same | |
| AU2013360139A1 (en) | Clear microemulsion stripping formulations | |
| JP2008207444A (en) | Mold release agent composition for molding polyurethane foam | |
| JP3118080B2 (en) | Low foam resin emulsion composition | |
| KR102465015B1 (en) | Solvent Stable Slip Additive Composition | |
| JP2007161808A (en) | Protective and polishing agent for vehicle | |
| JP5595972B2 (en) | Process for producing aqueous dispersion composition of aromatic oligomer and aqueous dispersion composition thereof | |
| JP4937577B2 (en) | Floor polish remover | |
| CN104804644A (en) | Etch resistant photoresist compositions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1138539 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1138539 Country of ref document: HK |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20200512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |