CN1161983A - Composition with self-foam-controlled propenoic acid emulsion - Google Patents
Composition with self-foam-controlled propenoic acid emulsion Download PDFInfo
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- CN1161983A CN1161983A CN 96104565 CN96104565A CN1161983A CN 1161983 A CN1161983 A CN 1161983A CN 96104565 CN96104565 CN 96104565 CN 96104565 A CN96104565 A CN 96104565A CN 1161983 A CN1161983 A CN 1161983A
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Abstract
This invention provides a composite of acrylic acid emulsion with foam-selfcontrol capability, the said emulsion on foaming stirring with mechanical force occurs no coaggulation, the formed emulsion foam assumes uniform and fine shape and can retain the foam height for a certain time without the need of additional foam stabilizer. The said acrylic acid emulsion composite is prepared from a silicon compound-grafted acrylic acid emulsion compounding with appropriate bulking filer, thickening agent, coaggulant and moistening agent, and may be applied to non-woven foamed back-gummed material.
Description
The present invention relates to the to have self-foam-controlled propenoic acid emulsion composition of (acrylic emulsion).
Organosilicone compounds has low surface tension, oilness, flexibility, wettability, and characteristic such as release, therefore often is applied to the upgrading that other separate the surface properties of subtree fat.The mode of upgrading is added sometimes, copolymerization sometimes, and grafting sometimes, and reach the purpose of surfaction.
ACRYLIC EMULSION has many purposes, is widely used in coating resin, tackiness agent, the post-treatment agent of printing ink and fiber.ACRYLIC EMULSION is used in fabric gum aspect, and its function is a non woven fabric when cutting out, and can not take off yarn.The gum material has many kinds (1) oiliness acrylic resins (2) water-borne acrylic resin, promptly general so-called ACRYLIC EMULSION, and (3) hot melt adhesive (4) non woven fabric is directly made with the fiber of low melting point.
Coating process (1) is coating comprehensively, and non woven fabric press dry through steeping vat, drying.This process often causes that to contain institute's resin pickup excessive, reduces the feel of non woven fabric.Aspect in addition, interfibrous space fills up resin, causes airtight, though reach the function of gum material, but also cause quality to descend, with the loss of resin material, (2) foam coating process, just so-called point-like coating, this method can not only reach the dispersion of gum material, can not cause feel to descend and air-locked shortcoming, and zonal point-like dispersion, also save consumptive material.
Usually point-like coating gum all uses ACRYLIC EMULSION, add man-hour in coating, must be earlier mechanically, the powerful stirring, break into foam state, for keeping the bubble height of careful foam of homogeneous and certain altitude, promptly so-called stability must add a kind of suds-stabilizing agent, this suds-stabilizing agent overwhelming majority is the silicone oil of silicone oil or upgrading, this suds-stabilizing agent is though can keep the foam height certain hour, the non-foam reproducibility, that is foam is passed in time, again powerful again the stirring bubbled, and also can't recover the foam height of required processing, and promptly becoming has the bubble of pressing down phenomenon.With the silicone oil of stylish interpolation, remain in the gum material, cause clinging power to descend.
For solving the above-mentioned suds-stabilizing agent shortcoming that adds, the technology of the silicide graft acrylic acid emulsion that utilization of the present invention is known, with the silicide graft acrylic acid emulsion of specific composition,, finish the present invention and " have self-foam-controlled acrylic emulsion composition " through the suitable modulation of various additives.
The purpose of this invention is to provide a kind of relevant acrylic emulsion composition with self-foam-controlled ability, this emulsion compositions foams through powerful stirring of mechanical type, can not produce agglutination phenomenon, formed emulsion foam is the uniform and delicate state, and can keep the foam height of certain hour, and after having reproduction, meaning to be lather collapse or foam height decline, again powerful again the stirring foamed, and also can obtain original result.
This acrylic emulsion composition is that a kind of silicide grafted ACRYLIC EMULSION forms through the allotment of compositions such as suitable additive, tackifier, agglutinant, wetting agent, can be applicable to the foam gum material of non-woven.
General ACRYLIC EMULSION, through specific agitating vane or butterfly agitator disk with 500～10, the 000rpm high-speed stirring after 10 seconds～10 minutes emulsion can present than the high several times height of former emulsion, and different foamy compactness extent, latex is through stirring bubbling process, look the difference of its mechanical stability, some latex can condense gel immediately and can not use, and after the general latex foaming, with the passing of time, meeting is broken bubble/froth breaking gradually and is restored, and foam is not of uniform size usually simultaneously, under the situation that contains silicon polymer [as silicone oil (Silicone oil)] interpolation, the foam size is more even, but owing under the existence of silicone oil, often influence the performance of latex, as clinging power.
For overcoming above-mentioned foamy ununiformity and unstable, the present invention directly is grafted on specific and quantitative silicoorganic compound the ACRYLIC EMULSION of specific composition, and through suitable additive allotment, makes the acrylic emulsion composition with self-foam-controlled ability.
Know silicoorganic compound graft acrylic acid emulsion and reach having of improved properties purpose: USP4,987,180, USP4,985,155 fiber softening and elasticity upgrading, the stability of the flat 3-227312 of Japan's special permission, normal temperature is built bridge; The solution polymerization inorganic materials tackiness agent of the flat 3-227313 of Japan's special permission; EP0,350,240 cured coating, paint; The clear 63-227670 of Japan's special permission, USP3,575,910, USP3,294,725 oilness, release, water-sprinkling coating or the like.
The silicoorganic compound graft acrylic acid emulsion that the present invention uses, wherein silicoorganic compound are the silicone compounds that contains ethene end group or propylene end group, as S710 (Dow Corning), the grafting amount is 0.3～3.0wt%, is suitable with 0.5～1.5wt%, the grafted ACRYLIC EMULSION, solids content is 40～50wt%, and the emulsification particle diameter is: 120～180nm, glass transition temp, Tg:-10 ℃～10 ℃, be the emulsion resin of suitable specific composition.Silicoorganic compound content accounts for 0.5～5.0wt% of ACRYLIC EMULSION solids content.
The weighting agent that uses is lime carbonate or silicon-dioxide, and the lime carbonate that the present invention uses has three kinds of particle diameter: NS-400, NS-1000, and SS-30, addition manner has: (1) lime carbonate is anticipated into pasty state, adds in the emulsion and mixes, and (2) lime carbonate directly adds emulsion and mixes.The former, lime carbonate is worn into 40～60wt% mashed prod in advance with stirrer or ball mill, the lime carbonate particle diameter is suitable with NS-1000, if use the 55wt% mashed prod, its usage quantity is 40～60phr (per-cent per hundred ratio), and (40～60phr is meant that silicoorganic compound graft acrylic acid emulsion and weighting agent mixed weight ratio are 100: 40～60.), and be suitable with 50phr.
Tackifier can use polyvinyl alcohol (PVA), hydroxypropylcellulose, hydroxybutyl cellulose, acetic acid methylcellulose gum or acetic acid butyl cellulose, for example: BP-5 Sambalion mucus, BP-20 and BP-24E (Changchun PVAC polyvinylalcohol), hydroxypropylcellulose HPC (10%), the result shows that HPC is better than BP-5, BP-20, and the steady bubble effect of BP-24E, and can not cause the phenomenon of precipitation of calcium carbonate, the tackifier usage quantity is 1～6phr, and serves as suitable with 3～4phr.
Agglutinant can use the ammoniacal liquor of 30wt% or contain the aqueous solution of the amido of 2 carbon to 6 carbon, if use 30wt% ammoniacal liquor, usage quantity be 0.8phr～1.6phr and with 1.2～1.4phr for suitable.
Wetting agent can make emulsion compositions increase the wettability of applied thing, and the wetting agent that the present invention uses is polyoxyethylene glycol (PEG), its molecular weight is 200～1000, and with molecular weight 400～600 for suitable, its usage quantity is 4～12phr, and with 6～8phr for suitable.
For above-mentioned and other purposes of the present invention, feature and advantage can be become apparent, hereinafter enumerate some preferred embodiments, and cooperate appended form, be described in detail below: embodiment 1
The polymerization preparation of silicon Acrylote compound graft acrylic acid emulsion of the present invention, as the Emulsion acrylic resin synthesizer, 1, stirrer day system DC-RT type, four-hole type reactive tank 4L, pyrex glass device, well heater, temperature controller, thermal sensor (Sensor), cooling tube, nitrogen.The reaction composition adds in the reactive tank by the reaction times more one by one one by one according to A, B, C, D, E, preparation earlier respectively, and oxide-reduction method is adopted in this reaction, totally 320 minutes approximately reaction times, added one by one every about 30 minutes, temperature is controlled in 45 ℃～50 ℃, stirring velocity 160～280rpm.Table (1) is A, B, C, D, E preformulation liquid, and A is earlier pre-emulsification preparation liquid, and B is that pH adjusts agent, and C, D, E are initiator.All content about 2427 restrains, solids content 1092 grams (45%), and S-710 adds reaction sequence as table (2) one by one for (1%) that silicoorganic compound 10.3g accounts for solids content." embodiment 2,3,4 "
Synthetic composition prescription, and synthesis step such as embodiment 1, but wherein the S-710 consumption makes 5.1g, 30.9g, 51.5g into by 10.3g, and its consumption accounts for the solids content composition respectively for about 0.5%, 3%, 5%.
The silicoorganic compound graft acrylic acid emulsion of the foregoing description 1-4 gained is respectively got 100phr, add tackifier (HPC10%) 3.6phr, weighting agent (anticipating ball milling lime carbonate 55%) 53phr respectively, agglutinant (ammoniacal liquor 30%) 1.4phr, wetting agent (polyoxyethylene glycol) 6phr." comparative example 1 "
Synthetic composition prescription and synthesis step such as embodiment 1, but wherein the S-710 consumption was 0 (not adding), the ACRYLIC EMULSION of gained is gone into tackifier, weighting agent, agglutinant respectively by the step of embodiment 2,3,4, and be stirred into an ACRYLIC EMULSION, the ACRYLIC EMULSION of above-mentioned (embodiment 1-4) and (comparative example 1) gained stirs 2 minutes its results through the powerful stirring of specific agitating vane shown in table (3) at 4500rpm.
Table (1) synthetic composition prescription composition numbering composition composition addition (g) solid content
DS-4(10％) 153.3 15.33
NP-6 17.5 17.5A NP-9 17.5 17.5 pre-DI-H
2O 518 newborn chain-transfer agents 1.6 1.6 are changed I-acid 10.3 10.3 thing 2-HEMA 31 31
MAN 6.2 6.2
AN 103 103
BA 103 103
Table (1) synthetic composition prescription (continuing) composition numbering composition composition addition (g) solid content
EA 770 770
S-710 10.3 10.3B HOAC(10％) 7 -
DI-H
2O 2.87 -C AP 2.52 2.52
D-H
2O 70 -D t-BHP 1.0 1.0
DI-H
2O 70 -E SFS 2.66 2.66
DI-H
2O 245 -
Table (1) synthetic composition prescription composition numbering composition composition addition (g) solid content-total amount 2427g 1092g
00 starts of table (2) synthesis step time (branch) step order of addition(of ingredients), the B composition is gone into reactive tank, stirs N
2Purge 15 1 (A) 100g and add (C, D) each 3.8g 160rpm
(E) 12.8g45 2 (A) 100g (C, D) each 4.5g 160rpm
(E) 15,g75 3 (A) 150g (C, D) each 5.7g 160rpm
(E) 19.2g105 4 (A) 200g (C, D) each 7.6g 180rpm
(E)25.6g
Table (2) synthesis step (continuing) time (branch) step order of addition(of ingredients) 135 5 (A) 200g (C, D) each 7.6g 200 rpm
(E) 25.6g165 6 (A) 200g (C, D) each 7.6g 220 rpm
(E)25.6g195 7 (A)250g(C，D)9.5g 240?rpm
(E) 32g,225 8 (A) 250g adds (C, D) 9.5g 260 rpm
(E) 32g,255 9 (A) 250g adds (C, D) 9.5g 280 rpm
(E) 32g,285 10 remaining (C, D, E) adding 280 rpm
1 foaming of table (3) embodiment 1-5 and comparative example as a result comparative test embodiment 1 embodiment 2 embodiment 3 embodiment 4 comparative example 1S-710 in the bubble rate that disappears behind the former the third 1% 0.5% 3% 5% 0% alkene yogurt liquid hold-up foaming multiplying power 3.5 3.5 3.5 3.85 3 foam homogeneous careful equal one careful equal one careful equal one careful equal one slightly thick uneven 3hrs bubble bubble bubble slightly 1/10 whole medium precipitations of calcium carbonate that disappear behind the whole 10hrs of bubble behind bubble rate 7% 30% 11% 100% whole 10hrs that do not disappear that do not disappear that do not disappear that do not disappear
Though the present invention with some preferred embodiments openly as above; so it is not to be used to limit the present invention; anyly know present technique; without departing from the spirit and scope of the present invention; can do some changes and modify, so protection scope of the present invention should be with being as the criterion that the back appending claims is limited.
Claims (11)
1, a kind of acrylic emulsion composition with self-foam-controlled ability is applicable to the foam gum material as non-woven, and it comprises:
(1) contains the graft acrylic acid emulsion of the silicoorganic compound of vinyl or propenyl end group, the grafting amount of silicoorganic compound is 0.1 to 3 weight percent in this emulsion, solids content is 40 to 50 weight percents, and the emulsification particle diameter is 120 to 180nm, and Tg is-10 ℃ to 10 ℃;
(2) weighting agent, be about this silicoorganic compound grafted ACRYLIC EMULSION content percent 40 to 60;
(3) tackifier, be about this silicoorganic compound grafted ACRYLIC EMULSION content percent 1 to 6;
(4) agglutinant, be about this silicoorganic compound grafted ACRYLIC EMULSION content percent 0.8 to 1.6 and
(5) wetting agent, be about this silicoorganic compound grafted ACRYLIC EMULSION content percent 4 to 12.
2, by the described composition of claim 1, wherein, these silicoorganic compound account for 0.5 to 5 weight percent of ACRYLIC EMULSION solids content.
3, by the described composition of claim 1, wherein, this weighting agent occupies percent 50 of organic silicon compound graft acrylic acid emulsion content.
4, by the composition of stating of claim 1, wherein, this weighting agent is the mashed prod that lime carbonate or silicon-dioxide are anticipated into 40 to 60 weight percents.
5, by the described composition of claim 1, wherein, these tackifier occupy organic silicon compound graft acrylic acid emulsion content percent 3 to 4.
6, by the described composition of claim 1, wherein, these tackifier are polyvinyl alcohol, hydroxypropylcellulose, hydroxybutyl cellulose, acetic acid methylcellulose gum, or acetic acid butyl cellulose.
7, by the described composition of claim 1, wherein, this agglutinant occupy organic silicon compound graft acrylic acid emulsion content percent 1.2 to 1.4.
8, by the described composition of claim 1, wherein, this agglutinant is an ammoniacal liquor, or contains the amido aqueous solution of 2 carbon to 6 carbon.
9, by the described composition of claim 1, wherein, this wetting agent occupy organic silicon compound graft acrylic acid emulsion content percent 6 to 8.
10, by the described composition of claim 1, wherein, this wetting agent is a polyoxyethylene glycol.
11, by the described composition of claim 10, wherein, the molecular weight of this polyoxyethylene glycol is about 200 to 1000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96104565A CN1082526C (en) | 1996-04-10 | 1996-04-10 | Composition with self-foam-controlled propenoic acid emulsion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96104565A CN1082526C (en) | 1996-04-10 | 1996-04-10 | Composition with self-foam-controlled propenoic acid emulsion |
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| Publication Number | Publication Date |
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| CN1161983A true CN1161983A (en) | 1997-10-15 |
| CN1082526C CN1082526C (en) | 2002-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN96104565A Expired - Lifetime CN1082526C (en) | 1996-04-10 | 1996-04-10 | Composition with self-foam-controlled propenoic acid emulsion |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102771560B (en) * | 2005-08-19 | 2014-08-13 | 斯普林帝兹投资有限公司 | Formulation of milk-based beverages for carbonation |
| CN105419198A (en) * | 2015-12-28 | 2016-03-23 | 广州市优伟家居用品有限公司 | Aqueous antiskid rubber, preparation method therefor and applications |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX169040B (en) * | 1988-07-07 | 1993-06-17 | Rohm & Haas | STABLE COOLERS OF AQUEOUS EMULSION WITH SILOXANE FUNCTIONALITY |
| CN1026329C (en) * | 1990-05-31 | 1994-10-26 | 华南理工大学 | Transparent invisible adhesive for hot-cured cloth covered shoes |
-
1996
- 1996-04-10 CN CN96104565A patent/CN1082526C/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102771560B (en) * | 2005-08-19 | 2014-08-13 | 斯普林帝兹投资有限公司 | Formulation of milk-based beverages for carbonation |
| CN105419198A (en) * | 2015-12-28 | 2016-03-23 | 广州市优伟家居用品有限公司 | Aqueous antiskid rubber, preparation method therefor and applications |
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| Publication number | Publication date |
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| CN1082526C (en) | 2002-04-10 |
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