CN1672762A - Deforming agents - Google Patents
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- CN1672762A CN1672762A CN 200510059483 CN200510059483A CN1672762A CN 1672762 A CN1672762 A CN 1672762A CN 200510059483 CN200510059483 CN 200510059483 CN 200510059483 A CN200510059483 A CN 200510059483A CN 1672762 A CN1672762 A CN 1672762A
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Abstract
To obtain a defoaming agent remarkably excellent in defoaming property (foam breaking and suppressing effects) and particularly a defoaming agent exhibiting remarkably excellent defoaming property for an emulsion coating material. This defoaming agent contains an amide (A) and a hydrocarbon oil (B) in which the content of an aromatic component is 1-6wt.%, the content of a naphthenic component is 25-35wt.%, and the content of a paraffin component is 59-74wt.% and preferably further contains a polyoxyalkylene compound (C) defined by formula (1) and also a hydrophobic silica (D). In formula (1), R is a straight chain alkyl or straight chain alkenyl both having 2 to 6 carbon atoms; OA is an oxyalkylene having 3 to 4 carbon atoms; and (n) is an integer of 10 to 60.
Description
Technical field
The present invention relates to defoamer.In more detail, relate to a kind of defoamer that emulsion coatings is used that is suitable as.
Background technology
It is at present known that to have with ethylenebisstearamide and liquid hydrocarbon ils be the defoaming agent composition (special public clear 64-6803 communique) of principal constituent and the silicon dioxide base defoaming agent composition (spy opens clear 49-109276 communique) that is made of hydrophobic silica/mineral oil/chilling acid amides etc.
In the defoaming agent composition in past, exist the problem that can not get sufficient defoaming (break bubble, press down the bubble effect).Particularly exist problem to the defoaming difference of emulsion coatings.That is, the object of the present invention is to provide significantly good defoamer of a kind of defoaming (break bubble, press down the bubble effect).A kind of defoamer of using as emulsion coatings that can give play to significantly good defoaming particularly is provided.
Summary of the invention
The present inventor has carried out meticulous research repeatedly in order to solve above-mentioned problem, and the result finishes the present invention.Promptly, defoamer of the present invention is characterised in that, it is the defoamer that contains acid amides (A) and hydrocarbon ils (B), its main points are, weight with (B) is benchmark, (B) amount of fragrance ingredient is 1～6 weight % in, and (B) amount of middle naphthenic hydrocarbon composition is 25～35 weight %, and (B) amount of middle paraffinic hydrocarbons composition is 59～74 weight %.
Defoamer of the present invention can have been given play to significantly good defoaming (break bubble, press down the bubble effect).Defoamer of the present invention particularly can have been given play to very good defoaming as the emulsion coatings time spent.And defoamer of the present invention promptly is used in the generation of also can significantly suppress in emulsion coatings etc. to contract pearl and indenture etc.In addition, though in adding emulsion coatings to the time through also almost can't see the reduction of defoaming after the prolonged preservation.
Embodiment
As acid amides (A), comprise the bisamide of carbonatoms 26～40 etc., can list ethylenebisstearamide, ethylenebis palmitic amide, ethylenebis myristic amide, ethylenebis laurylamide, ethylenebis oleic acid amine, propylidene bis-stearamides, the two palmitic amides of propylidene, the two myristic amides of propylidene, the bimonthly osmanthus of propylidene acid amides, the two oleic acid amine of propylidene, butylidene bis-stearamides, the two palmitic amides of butylidene, the two myristic amides of butylidene, butylidene bimonthly osmanthus acid amides and the two oleic acid amine of butylidene etc.
Wherein, considerations such as viewpoint from defoaming, be preferably the two palmitic amides of ethylenebisstearamide, ethylenebis palmitic amide, ethylenebis laurylamide, butylidene bis-stearamides and butylidene, more preferably ethylenebisstearamide, ethylenebis palmitic amide and ethylenebis myristic amide are preferably ethylenebisstearamide and ethylenebis laurylamide especially.These acid amides can be the mixtures more than 2 kinds, in the occasion of mixture, preferably contain above-mentioned preferred amide as principal constituent.
Should illustrate that so-called principal constituent is meant that the weight with acid amides (A) is the composition that benchmark contains 40 weight % at least, preferably contain more than the 50 weight %, more preferably contain more than the 60 weight %, especially preferably contain more than the 70 weight %, most preferably contain more than the 80 weight %.
As the minor component in the acid amides (A) (composition that except that principal constituent, contains), acid amides except above-mentioned preferable range (ethylenebis laurylamide and ethylidene Shuan Shan Yu acid amides etc.) in addition, also comprises unreacted amine, monoamide and unreacted carboxylic acid etc.The amount of minor component (weight %) is a benchmark with the weight of acid amides (A), preferably less than 60, is more preferably less than 50, especially preferably less than 40.
As hydrocarbon ils (B), comprise kinematic viscosity (mm
2/ s, 40 ℃) be hydrocarbon ils of 5～30 etc.
The amount (weight %) of fragrance ingredient in the hydrocarbon ils (B) is a benchmark with the weight of (B), is preferably 1～6, more preferably 1.2～5.8, be preferably 1.5～5.7 especially, and most preferably be 2～5.5.If be in this scope, then defoaming becomes better.
The amount (weight %) of naphthenic hydrocarbon composition in the hydrocarbon ils (B) is a benchmark with the weight of (B), is preferably 25～35, more preferably 26～34, be preferably 27～33 especially, and most preferably be 28～32.If be in this scope, then defoaming becomes better.
The amount (weight %) of paraffinic hydrocarbons composition in the hydrocarbon ils (B) is a benchmark with the weight of (B), is preferably 59～74, more preferably 60.2～72.8, be preferably 61.3～71.5 especially, and most preferably be 62.5～70.If be in this scope, then defoaming becomes better.
Should illustrate that so-called fragrance ingredient is meant the aromatic hydrocarbons composition, so-called naphthenic hydrocarbon composition is meant ester ring type hydrocarbon composition, and so-called paraffinic hydrocarbons composition is meant the aliphatic hydrocarbon composition of straight chain or side chain.
Each amount of fragrance ingredient, naphthenic hydrocarbon composition and paraffinic hydrocarbons composition can adopt ring analysis (n-d-M) method (ASTM D 3238-74) to come quantitatively.
As this hydrocarbon ils (B), can use in the crude oil hydrocarbon ils that 250～415 ℃ cut fraction hydrogenation is obtained etc., can list the hydrocarbon ils of record in the table 1 etc.Wherein, from the considerations such as viewpoint of defoaming, be preferably コ ス モ ニ ユ one ト ラ Le 500,700, RC spindle oil, SC22, day stone ス one パ one オ イ Le A, C and Off Star コ one Le NT60, more preferably RC spindle oil and day stone ス one パ one オ イ Le A.
[table 1]
| The trade(brand)name of hydrocarbon ils | The composition of hydrocarbon ils (weight %) | Producer's name | ||
| Fragrance ingredient | The naphthenic hydrocarbon composition | The paraffinic hydrocarbons composition | ||
| コ ス モ ニ ユ one ト ラ Le 100 | ????5.3 | ?26.9 | ?67.8 | コ ス モ oil Le Block リ カ Application Star (strain) |
| コ ス モ ニ ユ one ト ラ Le 350 | ????5.9 | ?26.2 | ?67.9 | |
| コ ス モ ニ ユ one ト ラ Le 500 | ????5.4 | ?28.3 | ?66.3 | |
| コ ス モ ニ ユ one ト ラ ス 700 | ????4.9 | ?30.5 | ?66.7 | |
| コスモSC?22 | ????2.5 | ?30 | ?67.5 | |
| コ ス モ RC spindle oil | ????2.5 | ?30.8 | ?66.7 | |
| コ ス モ RB spindle oil | ????3.1 | ?26.7 | ?70.2 | |
| Day stone ス one パ one オ イ Le A | ????4 | ?28.5 | ?67.5 | Japan petroleum chemistry (strain) |
| Day stone ス one パ one オ イ Le C | ????5.5 | ?29 | ?65.5 | |
| Day stone ス one パ one オ イ Le D | ????6 | ?27.5 | ?66.5 | |
| ス ノ one Le 40 | ????4 | ?27 | ?69 | エ Star ソ oil (strain) |
| ス ノ one Le 43N | ????4 | ?28 | ?68 | |
| ス ノ one Le 52 | ????4 | ?27 | ?69 | |
| ス ノ one Le 69 | ????5 | ?27 | ?68 | |
| ス ノ one Le LP40 | ????5 | ?30 | ?65 | |
| Off Star コ one Le SH ス ピ Application | ????4 | ?27 | ?69 | The emerging product of Fuji (strain) |
| Off Star コ one Le ST マ シ Application | ????6 | ?31 | ?63 | |
| Off Star コ one Le NT60 | ????5.5 | ?28.5 | ?66 | |
| Off Star コ one Le NT100 | ????4.5 | ?25.5 | ?70 | |
| Off Star コ one Le NT100S | ????4 | ?27 | ?69 | |
| Off Star コ one Le NT150 | ????4.5 | ?26 | ?69.5 | |
| Off Star コ one Le NT200 | ????4.5 | ?26 | ?69.5 | |
In the defoamer of the present invention, preferably further contain polyoxyalkylene compounds (C).
As polyoxyalkylene compounds (C), comprise with the compound of general formula (1) expression etc.
R-(OA)n-OH?????????????????????????????????(1)
But in the general formula (1), R represents the straight chained alkyl or the straight alkenyl of carbonatoms 2～6, and OA represents the oxyalkylene group of carbonatoms 3～4, and n represents 10～60 integer.
As straight chained alkyl, can list ethyl, n-propyl, normal-butyl, n-pentyl and n-hexyl etc.
As straight alkenyl, can list vinyl, 1-propenyl, 2-propenyl, 3-butenyl, crotyl, 4-pentenyl, 5-hexenyl and 1-hexenyl etc.
Wherein, the considerations such as viewpoint from defoaming are preferably straight chained alkyl, and more preferably n-propyl, normal-butyl, n-pentyl and n-hexyl are preferably normal-butyl, n-pentyl and n-hexyl especially.
As the oxyalkylene group of carbonatoms 3～4, comprise oxypropylene group, oxybutylene base and their mixture.Wherein, preferred oxypropylene group.
Should illustrate, as oxyalkylene group, be that the oxyalkylene group of main body gets final product so long as contain the oxyalkylene group of carbonatoms 3～4, also can contain some oxyethylene group.So-called main body is meant that the total formation unit with oxyalkylene group is that benchmark contains 70 moles of % at least, preferably contains 75 moles more than the %, more preferably contains 80 moles more than the %, especially preferably contains 85 moles more than the %, most preferably contains 90 moles more than the %.
Under the occasion of the oxyalkylene group that contains multiple class, can be in block-wise, random shape and the mixed form thereof any, but preferred random shape.
N is preferably 15～55 integer, and more preferably 20～50 integer is preferably 25～45 integer especially.If be in this scope, then can further suppress the generation of pearl etc. of contracting, and give play to better defoaming.
With the compound of general formula (1) expression, can be that n is the mixture of multiple class.
As polyoxyalkylene compounds, can list by the compound of following chemical formulation etc. with general formula (1) expression.Should illustrate that po represents oxypropylene group, bo represents the oxybutylene base, the expression block-wise ,/represent random shape.
C
2H
5-(po)
25-OH???????????????????????????????????(2)
C
2H
5-(po)
45-OH???????????????????????????????????(3)
C
2H
5-(po)
30·(bo)
2-OH???????????????????????????(4)
C
3H
7-(po)
25-OH???????????????????????????????????(5)
C
3H
7-(po)
45-OH???????????????????????????????????(6)
C
3H
7-(po)
30·(bo)
2-OH??????????????????????????????(7)
C
4H
9-(po)
25-OH??????????????????????????????????????(8)
C
4H
9(po)
45-OH???????????????????????????????????????(9)
C
4H
9-(po)
30·(bo)
2-OH??????????????????????????????(10)
C
4H
9-(po
30/bo
5)-OH?????????????????????????????????(11)
C
5H
11-(po)
25-OH?????????????????????????????????????(12)
C
5H
11-(po)
45-OH?????????????????????????????????????(13)
C
5H
11-(po)
30·(bo)
2-OH?????????????????????????????(14)
C
6H
13-(po)
25-OH?????????????????????????????????????(15)
C
6H
13-(po)
45-OH?????????????????????????????????????(16)
C
6H
13-(po)
30·(bo)
2-OH?????????????????????????????(17)
Wherein, be preferably polyoxyalkylene compounds, more preferably the polyoxyalkylene compounds of representing with formula (6), (9) or (14) with formula (6), (9), (13), (14) or (15) expression.
The method that polyoxyalkylene compounds (C), straight chain alkanol that can be by making carbonatoms 2～6 or straight chain enol (the following alcohol that abbreviates as sometimes) (c1) react with the oxyalkylene (c2) of carbonatoms 3～4 waits and obtains.This reaction can adopt any forms such as anionoid polymerization, cationoid polymerisation or coordinated anionic polymerization to implement.And these polymerized forms can use separately, also can be used in combination according to polymerization degree etc.Except this method, can also adopt the method that polyoxyalkylenes glycol and alkylating agent or alkenyl agent are reacted.
As the straight chain alkanol, can list ethanol, n-propyl alcohol, propyl carbinol, Pentyl alcohol and n-hexyl alcohol etc.
As the straight chain enol, can list 1-vinylcarbinol, 2-vinylcarbinol, 3-butenol, 2-butylene alcohol, 4-pentenol, 5-hexenol and 1-hexenol etc.
Wherein, preferred straight chain alkanol, more preferably propyl carbinol, Pentyl alcohol and n-hexyl alcohol.
Oxyalkylene (c2) as carbonatoms 3～4 can list propylene oxide, 1,2-butylene oxide ring and composition thereof etc.
Should illustrate, as oxyalkylene (c2), be that the oxyalkylene of main body gets final product so long as contain the oxyalkylene of carbonatoms 3～4, also can contain some oxyethane.So-called main body is meant that the mole number with oxyalkylene is that benchmark contains 70 moles of % at least, preferably contains 75 moles more than the %, more preferably contains 80 moles more than the %, especially preferably contains 85 moles more than the %, most preferably contains 90 moles more than the %.
Under the occasion of the oxyalkylene that uses multiple class, can be in block-wise, random shape and the mixed form thereof any, but preferred random shape.
In the reaction of alcohol (c1) and oxyalkylene (c2), can use known catalysts and/or reaction solvent etc.
As alkylating agent or alkenyl agent, the carbonatoms that can use alkyl or alkenyl is 2～6 a compound etc., comprises haloalkane (monochloroethane, bromination of n-butane, chloro-n-pentane and chloro normal hexane etc.), haloalkene (vinylchlorid, propenyl chloride, bromobutene and chlorohexane etc.), dialkyl group sulfuric acid (diethyl sulfuric acid, dibutyl sulfuric acid and dihexyl sulfuric acid etc.), two alkenyl sulfuric acid (divinyl sulfuric acid, diallyl sulfuric acid and dihexyl sulfuric acid etc.), dialkyl group carbonic acid (diethyl carbonic acid, dibutyl carbonic acid and dihexyl carbonic acid etc.) and two alkenyl carbonic acid (divinyl carbonic acid, dibutene base carbonic acid and two hexenyl carbonic acid etc.) etc.
As polyoxyalkylene compounds (C), can list ニ ユ one Port one Le LB-385, LB-625, LB-1145 as commodity, LB-1715 and LB-1800X{ Sanyo change into industry (strain) product } and ユ ニ Le one Block MB-19, MB-38 and MB-370{ Japan grease (strain) product } etc.
In the defoamer of the present invention, preferably also contain hydrophobic silica (D).
As hydrophobic silica (D), comprise with hydrophobizers and inorganic powder silicon-dioxide is carried out that hydrophobization is handled and the silicon-dioxide that obtains etc.
As inorganic powder silicon-dioxide, comprise (1) damp process silicon-dioxide: by with the inorganic silicon dioxide aerogel (with the moisture in the silica hydrogel with a kind of boiling point after below 70 ℃ and with glassware for drinking water solvent (methyl alcohol, acetone, methyl-formiate, the methyl acetate etc.) displacement of compatibility being arranged, remove the colloid silica that this solvent obtains by heating); (2) thermal decomposition method silicon-dioxide: fumed silica (colloid silica that the silicon-dioxide carbon black that is generated by the roasting silicon tetrachloride constitutes); And (3) molten solids method silicon-dioxide: settleability silicon-dioxide (condensing the silicon dioxide granule that obtains) etc. by in sodium silicate aqueous solution, splashing into sodium ions such as sodium-chlor, sodium sulfate; The silicon-dioxide that adopts any method to make can.Wherein, from the considerations such as viewpoint of defoaming, be preferably fumed silica and settleability silicon-dioxide, more preferably settleability silicon-dioxide.
As inorganic powder silicon-dioxide, can list trade(brand)name NIPGEL AY-200, AY-401, AY-601, AZ-200, AZ-400, BY-200, BZ-200, CX-200Nipsil L-250, E-200A, E-220, G-300, N-300A (Japanese silicon-dioxide Co., Ltd.); FINESIL E70, T32, K41, F80 (ト of Co., Ltd. Network ヤ マ); SYLYSIA 250N, 310P, 350,420 (シ リ シ ア KCC of Fuji); AEROSIL130,200,300,380, OX50 (Japanese ア エ ロ ジ Le Co., Ltd.); L-90, LM-150, MS-55, EH-5, M-7D (キ ヤ ボ Star ト カ one ボ Application society); And AEROSILOX50, MOX80 (デ グ サ ジ ヤ パ Application Co., Ltd.) etc.
As hydrophobizers, comprise silicone oil and modified silicon oil etc.
As silicone oil, can list kinematic viscosity 10～3000 (mm
2/ s, 25 ℃) dimethyl siloxane etc., also comprise ring four (dimethyl) siloxanes etc.
As modified siloxane, comprise that a part of methyl of above-mentioned dimethyl siloxane replaces with that the alkyl of carbonatoms 2～6, the alkoxyl group of carbonatoms 2～4, phenyl, hydrogen formerly give, the aminoalkyl of halogen (chlorine and bromine etc.) atom and/or carbonatoms 2～6 etc. and the siloxanes that forms etc.
As the amount (weight %) of hydrophobizers, be benchmark with the weight of inorganic powder silicon-dioxide, be preferably 5～70, more preferably 7～50, be preferably 10～30 especially.If be in this scope, then defoaming is better.
Handle as hydrophobization, can adopt methods of heating treatment, as Heating temperature (℃), be preferably 100～400, more preferably 150～350, be preferably 200～300 especially.
When hydrophobization is handled, can use solvent { hydrocarbon ils (B), kinematic viscosity (mm
2/ s, 40 ℃) be 5～30 paraffin oils and operation wet goods and catalysts (sulfuric acid, nitric acid, hydrochloric acid, oxyacetic acid, trifluoroacetic acid, p-nitrobenzoic acid, potassium hydroxide, lithium hydroxide etc.).
As hydrophobic silica (D), can list Nipsil SS-10, SS-40, SS-50 and SS-115 as trade(brand)name (Japanese silicon-dioxide Co., Ltd.); AEROSIL R972, RX200 and RY200 (Japanese ア エ ロ ジ Le Co., Ltd.); TS-530, TS-610, TS-720 (キ ヤ ボ Star ト カ one ボ Application society); AEROSIL R202, R805 and R812 (デ グ サ ジ ヤ パ Application Co., Ltd.); REOLOSIL MT-10, DM-10 and DM-20S (ト of Co., Ltd. Network ヤ マ); And SYLOPHOBIC100,702,505 and 603 (シ リ シ ア KCC of Fuji) etc.
The amount (weight %) of acid amides (A) is a benchmark with the total weight of (A) and hydrocarbon ils (B), is preferably 1～10, more preferably 1.3～9, be preferably 1.7～8 especially, and most preferably be 2～7.If be in this scope, then defoaming becomes better.
The amount (weight %) of hydrocarbon ils (B) is a benchmark with (A) and total weight (B), is preferably 90～99, more preferably 91～98.7, be preferably 92～98.3 especially, and most preferably be 93～98.If be in this scope, then defoaming becomes better.
Under the occasion that contains polyoxyalkylene compounds (C), its amount (weight %) is a benchmark with the total weight of acid amides (A) and hydrocarbon ils (B), is preferably 0.4～10, more preferably 0.6～9, be preferably 0.8～8 especially, and most preferably be 1～7.If be in this scope, then defoaming becomes better.
Under the occasion that contains hydrophobic silica (D), its amount (weight %) is a benchmark with the total weight of acid amides (A) and hydrocarbon ils (B), is preferably 0.1～5, more preferably 0.3～4.7, be preferably 0.7～4.3 especially, and most preferably be 1～4.If be in this scope, then defoaming becomes better.
In the defoamer of the present invention, except containing acid amides (A), hydrocarbon ils (B), polyoxyalkylene compounds (C) and hydrophobic silica (D), can also contain silicone oil and/or polyethers etc.As silicone oil, can list as the silicone oil of hydrophobizers and modified silicon oil etc.In addition, as polyethers, can list polyoxyalkylene compounds (C) polyethers (reactant of the oxyalkylene of the monohydroxy-alcohol of carbonatoms 8～18, monocarboxylic acid or monoamine and carbonatoms 2～4 in addition; Perhaps reactant of the oxyalkylene of the polyvalent alcohol of carbonatoms 2～6 and carbonatoms 2～4 etc.).Under the occasion that contains silicone oil or polyethers, total weight with acid amides (A) and hydrocarbon ils (B) is benchmark, the amount of silicone oil (weight %) is preferably 0.1～5, and more preferably 0.2～4.7, be preferably 0.3～4.3 especially, most preferably be 0.5～4, in addition, the amount of polyethers (weight %) is preferably 1～10, and more preferably 1.3～9, be preferably 1.7～8 especially, most preferably be 2～7.If be in this scope, then defoaming becomes better.
The viscosity of defoamer of the present invention (mPas/25 ℃) is preferably 200～5000, and more preferably 300～4000, be preferably 400～3500 especially, most preferably be 500～3000.If be in this scope, then defoaming becomes better.Should illustrate that viscosity is to measure according to the method for the 4.2 single cylinder rotational viscosimeter methods (corresponding with ISO2555) of JIS K7233-1986.
Defoamer of the present invention can adopt known method manufacturing, for example, can adopt following method etc.
(1) at first, acid amides (A), hydrocarbon ils (B) and polyoxyalkylene compounds as required (C), hydrophobic silica (D), silicone oil and/or polyethers are under agitation heated, make acid amides (A) dissolving.
(2) after acid amides (A) dissolving, it is cooled to below 60 ℃ while stir.
(3) secondly, heat, temperature is remained on 60～90 ℃, continue to stir 2～3 hours while stir.
(4) then, it is cooled to below 40 ℃, obtains defoamer of the present invention.
Should illustrate, also can in operation (1), use a part of hydrocarbon ils (B), will drop in remaining hydrocarbon ils (B) operation afterwards.
In addition, under the occasion of using polyoxyalkylene compounds (C) and/or hydrophobic silica (D), also can in any operation, drop into.
In addition, in operation (2) or (3) afterwards, also can carry out miniaturization to acid amides (A) and handle with ball mill, dispersion mill, homogenizer or high woods homogenizer etc.
As the Heating temperature in the operation (1) (℃), the decision that can suit according to the kind of employed acid amides is preferably 80～180, more preferably 90～160, be preferably 100～150 especially, most preferably be 110～140.
Defoamer of the present invention produces effect for aqueous foaming liquid.Therefore, can be used as coating (water-borne coatings etc.) with defoamer and various manufacturing process (machine hand's preface, fermentation procedure, draining treatment process, monomer remove operation and polymer polymerizing operation etc.) with defoamer etc.
Wherein, suitable to the coating defoamer, preferably as the water-borne coatings defoamer, in water-borne coatings (dress coating, water color ink and coating paint for papers etc. in adorning with coating, building outside the aqueous architectural), optimum is as the emulsion coatings defoamer.Should illustrate, as the tackiness agent that is contained in the emulsion coatings, can list the silicone resin of vinyl acetate resin, acrylic resin, styrene resin, haloalkene resin, urethane resin, silicone resin or contain fluorine atoms etc., all effective to any.
The addition means of defoamer of the present invention is being applicable to the occasion of coating, can list when (1) colo(u)rant dispersion and/or at (2) coating and make back method of adding etc.In addition, being applicable to the occasion of various manufacturing processes, also can be in (1) and raw material supplying, before (2) heating and/or the reduced pressure treatment and/or (3) finally finish in the method for adding in the operation etc. any.
The addition of defoamer of the present invention (weight %) is being applicable under the occasion of coating, is benchmark with the weight of coating, is preferably 0.05～3, more preferably 0.1～2.7, be preferably 0.2～2.3 especially, and most preferably be 0.3～2.0.In addition, be applicable to the occasion of various manufacturing processes, the addition of defoamer of the present invention (weight %) is a benchmark with the weight of waterborne liquid, is preferably 0.0001～3, more preferably 0.001～2.7, be preferably 0.005～2.3 especially, and most preferably be 0.01～2.
Should illustrate, be used for the occasion of optimum emulsion coatings, the addition of defoamer of the present invention (weight %) is a benchmark with the weight of coating, is preferably 0.05～3, more preferably 0.1～2.7, be preferably 0.2～2.3 especially, and most preferably be 0.3～2.
Embodiment
Below, further describe the present invention with embodiment, but the present invention is not subjected to their qualification.Should illustrate, unless otherwise specified, " part " expression weight part, " % " expression weight %.
＜embodiment 1 〉
To block wax EB-P{ ethylenebisstearamide, flower king (strain) system } 40 parts, コ ス モ ニ ユ one ト ラ Le SC22{ コ ス モ oil Le Block リ カ Application Star (strain) system 200 parts, ニ ユ one Port one Le LB-625{ Sanyo change into industry (strain) system 60 parts and Nipsil SS-10{ Japan's silicon-dioxide (strain) system 30 parts put into one can heat, in stirring and the refrigerative reaction vessel after, be warming up to 130 ℃ while stirring, under this temperature, continue heated and stirred 15 minutes, obtain hydrocarbon ils solution.Then, stir on one side, cool off, on one side hydrocarbon ils solution is put among 670 parts of the adjusted コ ス モ ニ ユ one ト ラ Le SC22 to 5 ℃ of temperature (the liquid temperature becomes 38 ℃), stir after 15 minutes, stirred 15 minutes with the rotating speed of the excellent homogenizer automatically that the impeller type blade is installed again with 4000rpm, obtain dispersion liquid, in dispersity test { JISK5600-2-5:1999 (corresponding with ISO 1524:1983) }, affirmation does not have the particle more than 5 microns.
This dispersion liquid is warming up to 80 ℃, under this temperature, stirred 2 hours, obtain defoamer of the present invention (S1).(S1) viscosity is { according to the 4.2 single cylinder rotational viscosimeter methods (corresponding with ISO2555) of JIS K7233-1986, use the system BM of TOKIMEC INC.JAPAN society type viscometer, No.3 rotor, begin numerical value after 1 minute with the tachometry of 60rpm, with it as viscosity.Below identical) (25 ℃) be 1200mPas.
[0036]
＜embodiment 2 〉
The A Lu pair is coughed up the H-50S{ ethylenebisstearamide, Japan's grease (strain) system } 30 parts, 200 parts in コ ス モ ニ ユ one ト ラ Le RC spindle oil { コ ス モ oil Le Block リ カ Application Star (strain) system }, ユ ニ Le one Block MB-38{ Japan's grease (strain) system 50 parts and Nipsil SS-50{ Japan's silicon-dioxide (strain) makes 35 parts put in the reaction vessel identical with embodiment 1 after, be warming up to 130 ℃ while stirring, under this temperature, continue heated and stirred 15 minutes, obtain hydrocarbon ils solution.Then, stir on one side, cool off, on one side hydrocarbon ils solution is put in 685 parts in the adjusted コ ス モ ニ ユ one ト ラ Le RC spindle oil to 5 ℃ of temperature (the liquid temperature becomes 40 ℃), stir after 15 minutes, use the homogenizer identical to stir 15 minutes again, obtain dispersion liquid (confirm similarly to Example 1 do not have more than 5 microns particle) with the rotating speed of 4000rpm with embodiment 1.This dispersion liquid is warming up to 80 ℃, under this temperature, stirred 2 hours, obtain defoamer of the present invention (S2).(S2) viscosity (25 ℃) is 1000mPas.
＜embodiment 3 〉
With ス リ パ Star Network ス E{ ethylenebisstearamide, Japan changes into (strain) system } 55 part, day stone ス, one パ, one オ イ Le A{ Japan petroleum (strain) system 200 parts, ニ ユ one Port one Le LB-1715{ Sanyo change into industry (strain) system 45 parts and REOLOSIL DM-20S{ (strain) ト Network ヤ マ system 30 parts put in the reaction vessel identical with embodiment 1 after, be warming up to 130 ℃ while stirring, under this temperature, continue heated and stirred 15 minutes, obtain hydrocarbon ils solution.Then, stir on one side, cool off, on one side hydrocarbon ils solution is put among 670 parts of the adjusted day stone ス one パ one オ イ Le A to 5 ℃ of temperature (the liquid temperature becomes 37 ℃), stir after 15 minutes, use the homogenizer identical to stir 15 minutes again, obtain dispersion liquid (confirm similarly to Example 1 do not have more than 5 microns particle) with the rotating speed of 4000rpm with embodiment 1.This dispersion liquid is warming up to 80 ℃, under this temperature, stirred 2.5 hours, obtain defoamer of the present invention (S3).(S3) viscosity (25 ℃) is 1400mPas.
＜embodiment 4 〉
With ア Le Off ロ one H-50S 65 part, day stone ス one パ one オ イ Le C{ Japan petroleum (strain) system } 200 parts, ニ ユ one Port one Le LB-1800X{ Sanyo change into industry (strain) system 20 parts and AEROSIL RX200{ Japan's ア エ ロ ジ Le (strain) system 15 parts put in the reaction vessel identical with embodiment 1 after, be warming up to 130 ℃ while stirring, under this temperature, continue heated and stirred 15 minutes, obtain hydrocarbon ils solution.Then, stir on one side, cool off, on one side hydrocarbon ils solution is put in 700 parts in the adjusted コ ス モ ニ ユ one ト ラ Le RC spindle oil to 5 ℃ of temperature (the liquid temperature becomes 40 ℃), stir after 15 minutes, use the homogenizer identical to stir 15 minutes again, obtain dispersion liquid (confirm similarly to Example 1 do not have more than 5 microns particle) with the rotating speed of 4000rpm with embodiment 1.This dispersion liquid is warming up to 75 ℃, under this temperature, stirred 3 hours, obtain defoamer of the present invention (S4).(S4) viscosity (25 ℃) is 2200mPas.
＜embodiment 5 〉
ス リ パ Star Network ス L{ ethylenebis laurylamide, Japan are changed into (strain) system } 20 parts, the rich scholar Xing of Off Star コ one Le NT60{ produce (strain) system 150 parts, ニ ユ one Port one Le LB-385{ Sanyo change into industry (strain) system 10 parts and Nipsil SS-115{ Japan's silicon-dioxide (strain) system 10 parts put in the reaction vessel identical with embodiment 1 after, be warming up to 150 ℃ while stirring, under this temperature, continue heated and stirred 15 minutes, obtain hydrocarbon ils solution.Then, stir on one side, cool off, it is adjusted to Off Star コ one Le NT60810 part of 5 ℃ (the liquid temperature becomes 30 ℃) on one side hydrocarbon ils solution to be put into temperature, stir after 15 minutes, use the homogenizer identical to stir 15 minutes again, obtain dispersion liquid (confirm similarly to Example 1 do not have more than 5 microns particle) with the rotating speed of 4000rpm with embodiment 1.This dispersion liquid is warming up to 80 ℃, under this temperature, stirred 2.5 hours, obtain defoamer of the present invention (S5).(S5) viscosity (25 ℃) is 1000mPas.
＜embodiment 6 〉
With ス リ パ Star Network ス O{ ethylenebis oil alkene acid amides, Japan changes into (strain) system } 70 parts, コ ス モ ニ ユ one ト ラ Le 700{ コ ス モ oil Le Block リ カ Application Star (strain) system 200 parts, ニ ユ one Port one Le LB-1145{ Sanyo change into industry (strain) system 70 parts and REOLOSILMT-10{ (strain) ト Network ヤ マ system 40 parts put in the reaction vessel identical with embodiment 1 after, be warming up to 120 ℃ while stirring, under this temperature, continue heated and stirred 15 minutes, obtain hydrocarbon ils solution.Then, stir on one side, cool off, on one side hydrocarbon ils solution is put in 700 620 parts of the adjusted コ ス モ ニ ユ one ト ラ Le to 5 ℃ of temperature (the liquid temperature becomes 35 ℃), stir after 15 minutes, use the homogenizer identical to stir 15 minutes again, obtain dispersion liquid (confirm similarly to Example 1 do not have more than 5 microns particle) with the rotating speed of 4000rpm with embodiment 1.This dispersion liquid is warming up to 80 ℃, under this temperature, stirred 2.5 hours, obtain defoamer of the present invention (S6).(S6) viscosity (25 ℃) is 900mPas.
＜comparative example 1 〉
35 parts of ス リ パ Star Network ス E, NAPHTESOL L{ Japan petroleum (strain) system, fragrance ingredient is about 5%, naphthenic hydrocarbon composition is about 60%, the about 35%}200 part of paraffinic hydrocarbons composition, サ Application ニ Star Network ス PP-2000{ Sanyo changes into industry (strain) and make } after 70 parts and Nipsil SS-1030 part puts in the reaction vessel identical with embodiment 1, be warming up to 130 ℃ while stirring, under this temperature, continue heated and stirred 15 minutes, obtain hydrocarbon ils solution.Then, stir on one side, cool off, on one side hydrocarbon ils solution is put among 665 parts of the adjusted NAPHTESOL L to 5 ℃ of temperature (the liquid temperature becomes 37 ℃), stir after 15 minutes, use the homogenizer identical to stir 15 minutes again, obtain dispersion liquid (confirm similarly to Example 1 do not have more than 5 microns particle) with the rotating speed of 4000rpm with embodiment 1.This dispersion liquid is warming up to 80 ℃, under this temperature, stirred 2.5 hours, obtain defoamer (B1).(B1) viscosity (25 ℃) is 860mPas.
＜comparative example 2 〉
45 parts of ア Le Off ロ one H-50S, the ダ イ ア Na ソ Le ベ Application ト emerging product of LA{ bright dipping (strain) system, fragrance ingredient is about 1%, naphthenic hydrocarbon composition is about 45%, the about 54%}200 part of paraffinic hydrocarbons composition and サ Application ニ Star Network ス GP-3000{ Sanyo change into industry (strain) and make } 100 parts put in the reaction vessel identical with embodiment 1 after, be warming up to 130 ℃ while stirring, under this temperature, continue heated and stirred 15 minutes, obtain hydrocarbon ils solution.Then, stir on one side, cool off, on one side hydrocarbon ils solution is put among 655 parts of the adjusted ダ イ ア Na ソ Le ベ Application ト LA to 5 ℃ of temperature (the liquid temperature becomes 37 ℃), stir after 15 minutes, use the homogenizer identical to stir 15 minutes again, obtain dispersion liquid (confirm similarly to Example 1 do not have more than 5 microns particle) with the rotating speed of 4000rpm with embodiment 1.This dispersion liquid is warming up to 80 ℃, under this temperature, stirred 2 hours, obtain defoamer (B2).(B2) viscosity (25 ℃) is 1250mPas.
＜comparative example 3 〉
Acid amides AP-1{ stearic acid monoamide, Japan are changed into (strain) system } after 25 parts of 50 parts, 200 parts of ダ イ ア Na ソ Le ベ Application ト LA, 60 parts of ニ ユ one Port one Le LB-1800X and NipsilSS-50 put in the reaction vessel identical with embodiment 1, be warming up to 100 ℃ while stirring, under this temperature, continue heated and stirred 15 minutes, obtain hydrocarbon ils solution.Then, stir on one side, cool off, on one side hydrocarbon ils solution is put among 665 parts of the adjusted ダ イ ア Na ソ Le ベ Application ト LA to 5 ℃ of temperature (the liquid temperature becomes 30 ℃), stir after 15 minutes, use the homogenizer identical to stir 15 minutes again, obtain dispersion liquid (confirm similarly to Example 1 do not have more than 5 microns particle) with the rotating speed of 4000rpm with embodiment 1.This dispersion liquid is warming up to 80 ℃, under this temperature, stirred 2 hours, obtain defoamer (B3).(B3) viscosity (25 ℃) is 700mPas.
Use the defoamer S1～B3 that obtains in embodiment 1～6 and the comparative example 1～3, as following, prepare emulsion coatings.According to following method, estimate the defoaming of these emulsion coatingss and the pearl that contracts, it the results are shown in the table 2.
(1) preparation of emulsion-based coating
Form according to following raw material, use excellent homogenizer automatically that the impeller type blade is installed (Japanese smart device commercial firm system, Model ED), grind and sedimentation, make coating.Detect the dispersity of the coating that obtains similarly to Example 1, affirmation does not have the particle more than 5 microns.Then, with this aqueous coating dilution,, obtain emulsion-based coating so that the viscosity that stormer viscosity meter (JISK5400-1990) is measured is 77KU (25 ℃).
＜grinding step 〉
8.2 parts in water
SN デ イ ス パ one サ Application ト 5027; 1.2 parts of サ Application ノ プ コ (strain) system dispersion agents
SN シ Star Network Na 1; 0.5 part of サ Application ノ プ コ (strain) system tackifier
(25%) 0.2 part of ammonia soln
3.4 parts of ethylene glycol
イ one ペ one Network R930; 27.8 parts of the former industry of stone (strain) system titanium dioxide
＜sedimentation operation 〉
ボ Application コ one ト EC819; 55.5 parts of big Japanese イ Application キ chemical industry (strain) system ACRYLIC EMULSION
ノ プ コ サ イ De SN215; 1.0 parts of サ Application ノ プ コ (strain) system sanitass
テ キ サ ノ one Le; Eastman Chemical makes film and adjusts 2.0 parts of agent
One 63 0.2 parts of SN シ Star Network Na
Add up to 100.0 parts
(2) preparation of emulsion coatings
In emulsion-based coating, add defoamer S1～B3,,, under 15～25 ℃, mixed 3 minutes, obtain emulsion coatings 1～9 with the rotating speed of 2000rpm with the excellent homogenizer automatically that the impeller type blade is installed so that concentration is 1 weight % (to emulsion-based coating).
(3) evaluation of the defoaming and the pearl that contracts
With tinned(sheet)iron { thick 0.5mm, be cut into 20 * 30cm size } carry out degreasing with acetone/cloth after, with roller coating emulsion coatings 1～9, so that wet coating thickness is 250 μ m, then, in being adjusted to 25 ℃, the operation room of 60% relative humidity, make its dry 1 day, observe film coated surface, according to the following benchmark evaluation defoaming and the pearl that contracts.
In addition, emulsion coatings 1～9 was left standstill keeping after 1 month under 40 ℃, once more with the excellent homogenizer automatically that the impeller type blade is installed under 15～25 ℃, mixed 3 minutes with the rotating speed of 2000rpm, obtain the aging emulsion coatings of estimating usefulness, similarly estimate defoaming and the pearl that contracts.
＜defoaming 〉
5: have below 2 and steep trace
4: 2～5 bubble traces are arranged
3: 5～10 bubble traces are arranged
2: 10～20 bubble traces are arranged
1: have more than 20 and steep trace
＜pearl contracts 〉
5: contract below 2 pearl or indenture are arranged
4: 2～5 contract pearl or indentures are arranged
3: 5～10 contract pearl or indentures are arranged
2: 10～20 contract pearl or indentures are arranged
1: contract more than 20 pearl or indenture are arranged
[table 2]
| Aqueous emulsion paint | After the preparation | After aging | ||||
| Defoaming | Pearl contracts | Defoaming | Pearl contracts | |||
| Embodiment | ?1 | ????1 | ????5 | ????5 | ????5 | ????5 |
| ?2 | ????2 | ????5 | ????5 | ????5 | ????5 | |
| ?3 | ????3 | ????5 | ????5 | ????5 | ????5 | |
| ?4 | ????4 | ????5 | ????5 | ????5 | ????5 | |
| ?5 | ????5 | ????5 | ????5 | ????5 | ????5 | |
| ?6 | ????6 | ????5 | ????5 | ????5 | ????5 | |
| Comparative example | ?1 | ????7 | ????1 | ????5 | ????1 | ????5 |
| ?2 | ????8 | ????3 | ????4 | ????2 | ????4 | |
| ?3 | ????9 | ????2 | ????4 | ????1 | ????4 | |
Use the emulsion coatings of defoamer of the present invention, making after and the defoaming after aging with the pearl that contracts good result is arranged all.
Defoamer of the present invention can be used for all purposes, and is very effective for aqueous foaming liquid.Therefore, can be as coating with defoamer and various manufacturing process with defoamer etc.
Wherein, suitable to the coating defoamer, preferably as the water-borne coatings defoamer, in water-borne coatings, optimum is as the emulsion coatings defoamer.
Need to prove that " above, following " in this specification sheets includes end points.
Claims (7)
1. a defoamer contains acid amides (A) and hydrocarbon ils (B), wherein, weight with (B) is benchmark, (B) amount of fragrance ingredient is 1～6 weight % in, and (B) amount of middle naphthenic hydrocarbon composition is 25～35 weight %, and (B) amount of middle paraffinic hydrocarbons composition is 59～74 weight %.
2. according to the defoamer described in the claim 1, wherein, be benchmark with the total weight of acid amides (A) and hydrocarbon ils (B), amount (A) is 1～10 weight %, amount (B) is 90～99 weight %.
3. according to the defoamer described in claim 1 or 2, wherein also contain polyoxyalkylene compounds (C) by general formula (1) expression,
R-(OA)n-OH???????????????????????????????????(1)
In the general formula (1), R represents the straight chained alkyl or the straight alkenyl of carbonatoms 2～6, and OA represents the oxyalkylene group of carbonatoms 3～4, and n represents 10～60 integer.
4. according to the defoamer described in the claim 3, wherein, be benchmark with the total weight of acid amides (A) and hydrocarbon ils (B), amount (A) is 1～10 weight %, (B) amount is 90～99 weight %, and the amount of polyoxyalkylene compounds (C) is 0.4～10 weight %.
5. according to the defoamer of claim 1～4 described in each, wherein also contain hydrophobic silica (D).
6. according to the defoamer described in the claim 5, wherein, total weight with acid amides (A) and hydrocarbon ils (B) is benchmark, (A) amount is 1～10 weight %, (B) amount is 90～99 weight %, the amount of polyoxyalkylene compounds (C) is 0.4～10 weight %, and the amount of hydrophobic silica (D) is 0.1～5 weight %.
7. defoamer the application in emulsion coatings of claim 1～6 described in each.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004090738 | 2004-03-26 | ||
| JP2004090738A JP4038539B2 (en) | 2004-03-26 | 2004-03-26 | Antifoam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1672762A true CN1672762A (en) | 2005-09-28 |
| CN100509106C CN100509106C (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100594833A Active CN100509106C (en) | 2004-03-26 | 2005-03-25 | Deforming agents |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4038539B2 (en) |
| CN (1) | CN100509106C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300612A (en) * | 2009-02-02 | 2011-12-28 | 圣诺普科有限公司 | Defoaming agent |
| CN102993814A (en) * | 2011-09-13 | 2013-03-27 | 青岛中塑高新材料有限公司 | Composition for eliminating pores of coat of coating or printing ink, and preparation method and use method thereof |
| CN106102856A (en) * | 2014-06-27 | 2016-11-09 | 圣诺普科有限公司 | Defoamer |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006057373B3 (en) * | 2006-12-04 | 2007-10-18 | Byk-Chemie Gmbh | Use of polyamide produced by a diamine and a dicarboxylic acid, in a formulation for defoaming aqueous media |
| JP4916901B2 (en) * | 2007-01-31 | 2012-04-18 | 東邦化学工業株式会社 | Antifoam composition |
| JP4526584B2 (en) | 2008-09-24 | 2010-08-18 | 楠本化成株式会社 | Defoamer for water-based paint |
| JP4899004B2 (en) * | 2009-01-13 | 2012-03-21 | サンノプコ株式会社 | Antifoam |
| JP5608846B2 (en) * | 2009-08-28 | 2014-10-15 | サンノプコ株式会社 | Antifoam |
| JP5211279B2 (en) * | 2009-10-09 | 2013-06-12 | サンノプコ株式会社 | Antifoam |
| CN102548631B (en) * | 2009-10-09 | 2014-11-26 | 圣诺普科有限公司 | Defoaming agent |
| JP5211278B2 (en) * | 2009-10-09 | 2013-06-12 | サンノプコ株式会社 | Antifoam |
| JP2011101849A (en) * | 2009-11-11 | 2011-05-26 | San Nopco Ltd | Antifoaming agent |
| KR101638010B1 (en) * | 2014-07-21 | 2016-07-11 | 손현구 | Self-emulsible non-silicon defoamer composition |
| JP6774591B2 (en) * | 2015-02-17 | 2020-10-28 | サンノプコ株式会社 | Additives for bioethanol fermentation process and method for producing bioethanol |
-
2004
- 2004-03-26 JP JP2004090738A patent/JP4038539B2/en not_active Expired - Lifetime
-
2005
- 2005-03-25 CN CNB2005100594833A patent/CN100509106C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300612A (en) * | 2009-02-02 | 2011-12-28 | 圣诺普科有限公司 | Defoaming agent |
| CN102300612B (en) * | 2009-02-02 | 2014-01-15 | 圣诺普科有限公司 | Defoaming agent |
| CN102993814A (en) * | 2011-09-13 | 2013-03-27 | 青岛中塑高新材料有限公司 | Composition for eliminating pores of coat of coating or printing ink, and preparation method and use method thereof |
| CN106102856A (en) * | 2014-06-27 | 2016-11-09 | 圣诺普科有限公司 | Defoamer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100509106C (en) | 2009-07-08 |
| JP2005270890A (en) | 2005-10-06 |
| JP4038539B2 (en) | 2008-01-30 |
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