CN1123738A - Flexible powder-free vinyl gloves - Google Patents
Flexible powder-free vinyl gloves Download PDFInfo
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- CN1123738A CN1123738A CN 95106096 CN95106096A CN1123738A CN 1123738 A CN1123738 A CN 1123738A CN 95106096 CN95106096 CN 95106096 CN 95106096 A CN95106096 A CN 95106096A CN 1123738 A CN1123738 A CN 1123738A
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Abstract
The present invention relates to a plasticity no-powder ethylene membrane prepared by petrolatum. Through adding a certain volume of petrolatum, the membrane can be easily worn but without catapasm. The petrolatum content in the prescription of the ethylene membrane is that 0.5-10 share petrolatum is existed in per hundred share ethylene resin (PHR). The membrane is in particular to suitable for a preparing plasticity no-powder ethylene glove with obviously lowered viscosity.
Description
The present invention relates to flexible powder-free vinyl film with the vaseline preparation.Can make film be easy to dress by the vaseline that adds specified quantitative and need not to use face powder.The content of vaseline is per hundred parts of vinylites (PHR) 0.5-10 part in the composition.The suitable especially flexible powder-free vinyl gloves that is used for preparing the obvious reduction of viscosity of this film.
In medical operating and other are used, fit tightly the rubber such as the gloves of configuration piece, during fingerstall, its inner surface contact layer needs lubricated usually so that film and mold separation and be convenient to taking off of finished product and wear.The standard lubricant that is used for this purpose at present is for example epichlorohydrin cross-linked cornstarch of applying powder.But some authorities,medicals are thought, use loose face powder to be harmful in the operation, and evidence is that this face powder can cause granuloma or other postoperative complications.Therefore, people attempt not use loose face powder, and a kind of gloves inner surface that is easy to dress is provided simultaneously.
People proposed several different methods and slided whole to the rubber of the type in the past.For example halogenation is carried out on the surface of rubber gloves and made its cunning with bromine or chlorine.But this processing is difficult to control in process of production, and these strong oxidizers also can reduce the quality of rubber, causes goods variable color, hardening, service life to shorten.Find in addition, with unprocessed, pounce on diffusing gloves with ordinary powder and compare, the medical gloves of handling with said method more is difficult to dress.
People also proposed to comprise rubber latex and were mixed with whole dose of the cunning of resin latex.This method has also reduced the coefficient of friction of rubber gloves.But the same with the halogenation gloves, reduced the performance of goods, and obviously be easy to like that dress not as the face powder gloves.
Except above-mentioned preparation " no powder gloves " method, people also propose to coat granular materials at the inner surface that contacts with skin of individual layer vinyl gloves or silicone steamer, with the friction between reduction gloves layer and the wearer skin, thereby are convenient to dress gloves.
As if although this method is for vinyl or silicone steamer promise well, but still have this possibility, that is, the particulate matter that is deposited on the gloves inner surface is scraped easily to be wiped, thereby produces the same problem that loose face powder ran into of using.
As United States Patent (USP) 4,070,713 and 4,143, No. 109 are described, and inner surface does not have the gloves of powder, must make its surface modification so that dress.Above-mentioned patent disclosure use low-friction coefficient (" C.O.F. ") elastic coating at the gloves inner surface.The example of this elastic coating has carboxylated styrene butadiene latex, carboxylation butadiene acrylonitrile rubber latex, sulfo-brominated butyl rubber breast, polyurethane latex, acrylic acid pentyl ester latex and polyurethane solvent solution.
With above-mentioned different, the inventor is unexpected to be found, by adding the specified quantitative vaseline, prepared flexible powder-free vinyl gloves is easy to wearing and need not to use face powder.
Therefore, one of the object of the invention is the no powder flexible membrane of preparation.
Another purpose of the present invention is with the no powder flexibility vinyl film of vaseline preparation.
Further object of the present invention is with the no powder flexibility vinyl gloves of vaseline preparation.
Above-mentioned and other purposes can be finished by following flexible powder-free vinyl film formulation, and this prescription comprises:
(A) at least a vinylite that is selected from ethylene halide monomer-polymer and copolymer.
(B) vaseline of per hundred parts of vinylite 0.5-10 parts; With
(C) at least a plasticizer.
Powder-free vinyl film of the present invention is prepared by at least three kinds of components.Component (A) is a vinylite.Vinylite comprises the polymer and the copolymer of vinyl compound.Especially (these ethylene halide monomers for example have vinyl chloride for ethylene halide polymer of monomers that suitable is and copolymer, vinylidene chloride and vinyl esters such as vinylacetate) and the copolymer of following monomer: vinyl butyral, many vinyl alcohol, alkyl vinyl ether etc.Alkyl in the alkyl vinyl ether has 1-12 carbon atom, methyl vinyl ether for example, ethyl vinyl ether, IVE etc.The homopolymers that preferred vinylite is a vinyl chloride and about 5-20% (weight) be 10-15% (weight) vinyl acetate copolymer especially.Preferred Corvic can be buied trade mark " OXY 80 HC ", relative viscosity=2.85, K value=80, and trade mark " OXY 575 ", relative viscosity=2.77, K value=77 from Occidental Chemical company.
Component of the present invention (B) is a vaseline.The present invention can use two types of vaselines.Can use vaseline colloid or mineral colloid, its proportion is 0.815-0.880 in the time of 60 ℃, fusing point 38-60 ℃.Can use synthetic or natural level vaseline colloid or mineral colloid.Also can use the vaseline of liquid form, also be referred to as white mineral oil.The proportion of white mineral oil is 0.828-0.880 (gently) in the time of 20 ℃, is 0.860-0.905 (weight) in the time of 25 ℃.Vaseline can carry out fractionation and obtain by the steam distilled residue to paraffin-base petroleum, or the steaming of removing light fraction is subtracted crude oil carries out fractionation and obtain.The character of vaseline is not crucial especially, as long as it mates with plasticizer.
Vaseline is added in flexible membrane's composition with the amount of per hundred parts of vinylites (PHR) 0.5-10 part.Preferred vaseline addition is per hundred parts of vinylites (PHR) 0.5-3 part.Particularly preferred vaseline addition is per hundred parts of vinylites (PHR) 1-2 part.The consumption of vaseline can make the glove surface of making diffusate occur and produce moistening or cunning sensation greater than 10 PHR.
Component (C) is a plasticizer.Plasticizer can comprise adipate ester, phthalic acid ester, isobutyrate, terephthalate, aliphatic acid epoxidation butyl ester, epoxidized vegetable oil and polymeric plasticiser.Suitable manufacturing methods comprises: adipic acid two (2-ethylhexyl) ester, or dioctyl adipate (DOA), phthalic acid two (2-ethylhexyl) ester or dioctyl phthalate (DOP), terephthalic acid (TPA) two (2-ethylhexyl) ester (DOTP), dicyclohexyl phthalate, the adipic acid diisononyl esters, the phthalic acid diisononyl esters, phthalic acid normal-butyl benzyl ester, 1,3-adipate butanediol polyester, adipic acid two (C
7-C
9Alkyl) ester, (alkyl wherein is C to the bialkyl ortho phthalate derivative
1-C
12Alkyl is preferably C
7, C
9Or C
11Alkyl), azelaic acid di-n-hexyl ester, phthalic acid dihexyl ester, phthalic acid diphenyl, linseed oil aliphatic acid epoxy butyl ester, epoxidised linseed oil, epoxidized soybean oil and adipic acid propylene glycol ester.
Also can use the stabilizing agent of other non-avirulence plasticizer with the non-nontoxic application of preparation the present invention.The example of this plasticizer has: 2,2, and 4-trimethyl-1,3-pentanediol diisobutyrate (TXIB), methyl abietate, acetate cumyl phenylester, ethanedioic acid two butoxyethyl acetates, azelaic acid di-n-hexyl ester, three benzoic acid glyceryl esters, citric acid three n-butyl, fumaric acid dioctyl ester, the different nonyl ester of tri trimellitate, M-phthalic acid dioctyl ester, butyl oleate, chlorinated paraffin wax, tri cresyl phosphate and decanedioic acid dibutyl ester.
In addition, filler such as hydrophilic filler also can be added in the present invention's prescription.The hydrophilic filler material comprises the various additive components that do not influence the water vapour conversion performance or prevent the liquid water stream kinetic force.A kind of preferred filler is a pearl filler, and it can be buied from Omya company, trade mark " OMYACARB F ".
If desired, can use other additives such as stabilizing agent common and that vinylite uses in the lump, antioxidant, UV light stabilizing agent, bacteriostatic agent, insecticide, antistatic additive, buffer, colouring agent, heat stabilizer such as platinum Zn complex, slaine or tin complex, dyestuff, pigment etc.Above-mentioned additive, its consumption and use are known in this area.
The method that the present invention prepares no powder film at first comprises a kind of plastisol of preparation.This plastisol is component (A) Corvic, the dispersion liquid of component (B) vaseline and one or more plasticizer of component (C).Preferably, under agitation, mix vaseline and plasticizer and form uniform homogeneous blend, slowly be added in the vinylite then, thereby recommendation uses a kind of forced mixer to be used for mixed plasticizer and vaseline obtains uniform homogeneous blend.Uniform homogeneous blend is very important to " eyelet " that reduce in the film.With the plastisol degassing, and in impouring tray or the bath.Under the situation of preparation vinyl gloves, the pottery or the metal die that will have the staff configuration immerse in the plastisol, and the mould that will soak is chien shih generation fusion when 150 ℃-250 ℃ heating are enough in baking oven, is generally 2-10 minute.Cooling die (usually in water-bath).Film is shifted out from mould.
Under the situation of preparation vinyl gloves, prior art instruction before the gloves vanning, or is immersed in it in powder or puts into the drier that contains smoothers.In the method for prior art, bond together in order to prevent gloves, must use powder.Method of the present invention has been removed gloves has been dipped in this step in the powder.
Flexible powder-free film of the present invention is particularly suited for preparing vinyl gloves.But film of the present invention also can be used to prepare other multiple anti-aquatic products.This goods example has clothes such as raincoat, anorak, snowmobile car cover, windbreaker, footwear, clean room clothes, contraceptives etc.Stripping of the present invention also can be used for medical application such as bandage.
The inventive method will further obtain explanation by following embodiment.
Embodiment 1
Flexibility polyvinyl chloride (PVC) gloves are formed:
Component PHR
1PVC dispersion resin 80
2PVC hybrid resin 20
DOTP 87
DOA 20
TXIB 8
Ca Zn stabilizing agent 2
Calcium carbonate 10
3Ore deposit ester 0
DOTP=terephthalic acid (TPA) two (2-ethylhexyl) ester
DOA=adipic acid two (2-ethylhexyl) ester
TXIB=2,2,4 one trimethyls-1,3-pentanediol diisobutyrate
1.OXY 80 HC, relative viscosity=2.85, K value=80
2.OXY 575, relative viscosity=2.77, K value=77
Mix three kinds of plasticizer DOTPs, DOA, TXIB and Ca, the Zn stabilizing agent, and under high-speed stirred, slowly be added to and comprise polyvinyl chloride resin, in the mixture of hybrid resin and calcium carbonate.The plastisol that obtains is coated on two 3 * 6 inches the glass plate thickness 4 mils.Glass plate heated 6 minutes under 204 ℃ of temperature in baking oven, and wherein plastisol forms film.Film is cooled to about 45 ℃.With film separately from every glass plate.In one case, the film surface that contacts with glass plate is pressed together, the situation of representing two pairs of gloves to contact with each other.In another case, the surface that contacts with glass plate is not pressed together, and represents the sight of gloves inner surface contact.
Viscosity is measured as follows: the bottom of film is pasted on the driving-belt.The clip that is connected with torque rule is connected to the top layer of film.Rotate driving-belt and measure torque (in gram).Test result is summarized in Table I and the Table II.
Embodiment 2
Flexibility PVC gloves are formed:
Component PHR
1PVC dispersion resin 80
2PVC hybrid resin 20
DOTP 87
DOA 20
TXIB 8
Ca Zn stabilizing agent 2
Calcium carbonate 10
3Ore deposit ester 0.5
DOTP=terephthalic acid (TPA) two (2-ethylhexyl) ester
DOA=adipic acid two (2-ethylhexyl) ester
TXIB=2,2,4-trimethyl-1,3-pentanediol diisobutyrate
1.OXY 80 HC, relative viscosity=2.85, K value=80
2.OXY 575, relative viscosity=2.77, K value=77
3. use the vaseline colloid at first, but replace the vaseline colloid to repeat above-mentioned composition with white mineral oil.
With three kinds of plasticizer DOTPs, DOA, TXIB and Ca, Zn stabilizing agent and vaseline mix, and slowly are added under high-speed stirred and comprise polyvinyl chloride resin, in the mixture of hybrid resin and calcium carbonate.Be coated to the plastisol that obtains on the glass plate and add the thermosetting film by the method for embodiment 1.
With film separately from every glass plate.Under a kind of situation, be pressed together sight to represent two pairs of gloves to contact with each other with the film surface of glass contact.Under the another kind of situation, be not pressed together to represent the gloves inner surface to contact with the film surface of glass contact.Press the method for embodiment 1 and measure viscosity.Test result is summarized in Table I and the Table II.
Embodiment 3
Flexibility PVC gloves are formed
Component PHR
1PVC dispersion resin 80
2PVC hybrid resin 20
DOTP 87
DOA 20
TXIB 8
Ca Zn stabilizing agent 2
Calcium carbonate 10
3Ore deposit ester 1
DOTP=terephthalic acid (TPA) two (2-ethylhexyl) ester
DOA=adipic acid two (2-ethylhexyl) ester
TXIB=2,2,4-trimethyl-1,3-pentanediol diisobutyrate
1.OXY 80 HC, relative viscosity=2.85, K value=80
2.OXY 575, relative viscosity=2.77, K value=77
3. originally use the vaseline colloid, but replace the vaseline colloid to repeat above-mentioned composition with white mineral oil.
With DOTP, DOA, three kinds of plasticizer of TXIB, Ca, Zn stabilizing agent and vaseline mix, and slowly are added under high-speed stirred and comprise polyvinyl chloride resin, in the mixture of hybrid resin and calcium carbonate.By the method for embodiment 1 be coated to the plastisol that obtains on the glass plate and heating to form film.
Film and every glass plate are separated.Under a kind of situation, will press together with the film surface of glass contact to represent two pairs of gloves to contact with each other.Under the another kind of situation, will not press together to represent the gloves inner surface to contact with the film surface of glass contact.Press the method for embodiment 1 and measure viscosity.Test result is summarized in Table I and the Table II.
Embodiment 4
Flexibility PVC gloves are formed
Component PHR
1PVC dispersion resin 80
2PVC hybrid resin 20
DOTP 87
DOA 20
TXIB 8
Ca, Zn stabilizing agent 2
Calcium carbonate 10
3Ore deposit ester 2
DOTP=terephthalic acid (TPA) two (2-ethylhexyl) ester
DOA=adipic acid two (2-ethylhexyl) ester
TXIB=2,2,4-trimethyl-1,3-pentanediol diisobutyrate
1.OXY 80 HC, relative viscosity=2.85, K value=80
2.OXY 575, relative viscosity=2.77, K value=77
3. originally use the vaseline colloid, but replace the vaseline colloid to repeat above-mentioned composition with white mineral oil.
With DOTP, DOA, three kinds of plasticizer of TXIB, Ca, Zn stabilizing agent and vaseline mix, and slowly are added to comprise polyvinyl chloride resin under high-speed stirred, in the mixture of hybrid resin and calcium carbonate.Be coated to the plastisol that obtains on the glass plate and add the thermosetting film by the method for embodiment 1.
With film separately from every glass plate.Under a kind of situation, will press together with the film surface of glass contact to represent two pairs of gloves to be in contact with one another.Under the another kind of situation, will not press together to represent the gloves inner surface to contact with the film surface of glass contact.Press the method for embodiment 1 and measure viscosity.Test result is summarized in Table I and the Table II.
Embodiment 5
The flexibility gloves are formed
Component PHR
1PVC dispersion resin 80
2PVC hybrid resin 20
DOTP 87
DOA 20
TXIB 8
Ca, Zn stabilizing agent 2
Calcium carbonate 10
3Ore deposit ester 10
DOTP=terephthalic acid (TPA) two (2-ethylhexyl) ester
DOA=adipic acid two (2-ethylhexyl) ester
TXIB=2,2,4-trimethyl-1,3-pentanediol diisobutyrate
1.0XY 80 HC, relative viscosity=2.85, K value=80
2.0XY 575, relative viscosity=2.77, K value=77
3. originally use the vaseline colloid, but replace the vaseline colloid to repeat above-mentioned composition with white mineral oil.
With DOTP, DOA, three kinds of plasticizer of TXIB, Ca, Zn stabilizing agent and vaseline mix to be incorporated in slowly to be added under the high-speed stirred and contain polyvinyl chloride resin, in the mixture of hybrid resin and calcium carbonate.Method by embodiment 1 is coated to the gained plastisol on the glass plate, and adds the thermosetting film.
Film and every glass plate are separated.Under a kind of situation, will press together with the sight of representing gloves to be in contact with one another with the film surface of glass contact.Under the another kind of situation, will not press together to represent the gloves inner surface to contact with the film surface of glass contact.Press the method for embodiment 1 and measure viscosity.The results are summarized in Table I and the Table II of test.
Table I
Film viscosity data embodiment torques (gram) with the vaseline colloid for preparing
Inner surface outer surface embodiment 10 PHR vaseline colloid 30g 90g embodiment 20.5 PHR vaseline colloid 30g 55g embodiment 31.0 PHR vaseline colloid 15g 40g embodiment 42.0 PHR vaseline colloid 5g 10g embodiment 510.0PHR vaseline colloid 0g 5g
Table I result clearly illustrates that, by in flexibility PVC gloves are formed, adding the vaseline colloid of preferable range, the viscosity of gloves inner surface can reduce as many as 86%, and the viscosity of outer surface of glove can reduce as many as 89%, and can not make film produce moistening or cunning sensation.Therefore in forming, the present invention need not to add powder.The result shows that also the optimum content scope of vaseline colloid in flexibility PVC gloves are formed is 1-2 PHR.
Table II
Use the film viscosity data embodiment torques (g) of white mineral oil preparation
Inner surface outer surface embodiment 10 PHR white mineral oil 30g 90g embodiment 20.5 PHR white mineral oil 30g 70g embodiment 31.0 PHR white mineral oil 20g 50g embodiment 42.0 PHR white mineral oil 20g 35g embodiment 510.0PHR white mineral oil 0g 5g
Table II result clearly illustrates that, by add the white mineral oil of preferable range in flexibility PVC gloves are formed, can reduce gloves inner surface viscosity as many as 33%, outer surface of glove viscosity as many as 61%, and can not make film produce moistening or cunning sensation.Therefore the present invention need not to add powder in forming.The result shows that also the optimum content scope of white mineral oil was 1-2PHR during flexibility PVC gloves were formed.
Be described in detail according to above-mentioned, those skilled in the art can do many changes.All these obviously change all within the scope of appended claim book.
Claims (13)
1, a kind of flexible powder-free vinyl film formulation comprises:
(A) at least a vinylite that is selected from ethylene halide monomer-polymer and copolymer;
(B) per hundred parts of vinylite 0.5-10 part vaselines; With
(C) at least a plasticizer.
2, a kind of flexible powder-free vinyl film formulation comprises:
(A) at least a vinylite that is selected from ethylene halide monomer-polymer and copolymer;
(B) per hundred parts of vinylite 0.5-10 part vaselines; With
(C) at least a plasticizer;
Wherein with before component (A) is mixed, first blending ingredients (B) and (C).
3, a kind of flexible powder-free vinyl film formulation comprises:
(A) at least a ethylene halide polymer of monomers of vinyl chloride, vinylidene chloride and vinylacetate or the vinylite of copolymer of being selected from;
(B) per hundred parts of vinylite 0.5-10 part vaselines; Described vaseline is selected from the vaseline colloid, and its proportion is 0.815-0.880 in the time of 60 ℃, and fusing point 38-60 ℃, and white mineral oil, its proportion is 0.828-0.880 (gently) in the time of 20 ℃, is 0.860-0.905 (weight) in the time of 25 ℃; With
(C) at least a plasticizer; The described plasticizer acid esters of selecting oneself, phthalic acid ester, isobutyrate, terephthalate, aliphatic acid epoxy butyl ester and epoxidized vegetable oil.
Wherein, with before component (A) is mixed, component (B) and (C) mix earlier.
4, according to the flexible powder-free film formulation of claim 3, wherein component (A) vinylite is by being selected from vinyl chloride, vinylidene chloride and vinylacetate monomer and be selected from the vinyl butyral, the copolymer of many vinyl alcohol and alkyl vinyl ether monomer preparation.
5, according to the flexible powder-free film formulation of claim 3, wherein said component (A) vinylite is the copolymer by vinyl chloride and vinylacetate preparation.
6, according to the flexible powder-free film formulation of claim 5, wherein said component (A) vinylite is the copolymer by vinyl chloride and the preparation of 5-20% (weight) vinylacetate.
7, according to the flexible powder-free film formulation of claim 6, wherein said component (A) is by the copolymer of vinyl chloride and the preparation of 10-15% (weight) vinylacetate.
8, according to the flexible powder-free film formulation of claim 1, wherein said component (B) vaseline content is 0.5-3PHR.
9, according to the flexible powder-free film formulation of claim 8, the content of wherein said component (B) vaseline is 1-2PHR.
10, according to the flexible powder-free film formulation of claim 1, wherein said component (C) plasticizer is selected from: adipic acid two (2-ethylhexyl) ester, phthalic acid two (2-ethylhexyl) ester, dicyclohexyl phthalate, adipic acid diisononyl esters, phthalic acid diisononyl esters, phthalic acid normal-butyl benzyl ester, 1,3-adipate butanediol polyester, adipic acid two (C
7, C
9Alkyl) ester, (wherein alkyl is C to the bialkyl ortho phthalate derivative
1-C
12Alkyl), azelaic acid di-n-hexyl ester, phthalic acid dihexyl ester, the phthalic acid diphenyl, linseed oil fatty acid epoxy butyl ester, epoxy linseed oil, epoxidized soybean oil, propane diols adipate ester, 2,2,4-trimethyl-1,3-pentanediol diisobutyrate, terephthalic acid (TPA) two (2-ethylhexyl) ester, methyl abietate, acetate cumyl phenylester, adipic acid two butoxyethyl acetates, azelaic acid di-n-hexyl ester, glycerin tribenzoate, citric acid three n-butyl, fumaric acid dioctyl ester, the different nonyl ester of tri trimellitate, M-phthalic acid dioctyl ester, butyl oleate, chlorinated paraffin wax, tricresyl phosphate, decanedioic acid dibutyl ester and composition thereof.
11, according to the flexible powder-free film formulation of claim 10, wherein said component (C) plasticizer is selected from terephthalic acid (TPA) two (2-ethylhexyl) ester, adipic acid two (2-ethylhexyl) ester, 2,2,4-trimethyl-1,3-pentanediol diisobutyrate and composition thereof.
12, be used to prepare gloves according to the described flexible powder-free film formulation of claim 1.
13, according to the flexible powder-free film formulation of claim 12, wherein said gloves are PVC gloves.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24743394A | 1994-05-23 | 1994-05-23 | |
| US08/247,433 | 1994-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1123738A true CN1123738A (en) | 1996-06-05 |
Family
ID=22934921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95106096 Pending CN1123738A (en) | 1994-05-23 | 1995-05-23 | Flexible powder-free vinyl gloves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1123738A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604259A (en) * | 2012-02-24 | 2012-07-25 | 广东天耀进出口集团有限公司 | Plastic glove material |
| CN107406621A (en) * | 2015-07-24 | 2017-11-28 | Lg化学株式会社 | Plasticizer composition, resin combination and preparation method thereof |
| CN108243615A (en) * | 2016-02-29 | 2018-07-03 | 琳得科株式会社 | Semiconductor machining piece |
-
1995
- 1995-05-23 CN CN 95106096 patent/CN1123738A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102604259A (en) * | 2012-02-24 | 2012-07-25 | 广东天耀进出口集团有限公司 | Plastic glove material |
| CN107406621A (en) * | 2015-07-24 | 2017-11-28 | Lg化学株式会社 | Plasticizer composition, resin combination and preparation method thereof |
| CN107406621B (en) * | 2015-07-24 | 2019-07-05 | Lg化学株式会社 | Plasticizer composition, resin combination and preparation method thereof |
| US11560460B2 (en) | 2015-07-24 | 2023-01-24 | Lg Chem, Ltd. | Plasticizer composition, resin composition and method of preparing the same |
| CN108243615A (en) * | 2016-02-29 | 2018-07-03 | 琳得科株式会社 | Semiconductor machining piece |
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