CN100427510C - Hollow polymer colloid grain and its production - Google Patents

Hollow polymer colloid grain and its production Download PDF

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CN100427510C
CN100427510C CNB2006100281994A CN200610028199A CN100427510C CN 100427510 C CN100427510 C CN 100427510C CN B2006100281994 A CNB2006100281994 A CN B2006100281994A CN 200610028199 A CN200610028199 A CN 200610028199A CN 100427510 C CN100427510 C CN 100427510C
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mono
unsaturated monomer
vinyl unsaturated
hydrophobicity
polymkeric substance
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CN1896110A (en
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施晓旦
王养臣
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Shanghai Dongsheng New Material Co Ltd
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Shanghai Dongsheng New Material Co Ltd
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Abstract

A hollow polymer emulsoid particle, its production and use are disclosed. The emulsoid particle consists of nuclear-layer polymer and at least two shell polymers, the nuclear-layer polymer is prepared by emulsion polymerizing 2-80wt% hydrophilic mono-vinyl unsaturated monomer with 20-98wt% hydrophobic mono-vinyl unsaturated monomer; The first shell polymer is prepared by emulsion polymerizing 60-99wt% hydrophobic mono-vinyl unsaturated monomer; The second shell polymer is prepared by emulsion polymerizing 80-100wt% hydrophobic mono-vinyl unsaturated monomer. It can be used for plastic pigment, paper coating and latex paint. It has better covering rate, glossiness, ink absorption and wet strength.

Description

A kind of hollow polymer emulsion particle and preparation method thereof
Technical field
The present invention relates to a kind of polyalcohol emulsion particle and preparation method thereof, relate in particular to a kind of hollow polymer emulsion particle and preparation method thereof.
Technical background
In recent years, there were some Chinese patents to announce the preparation and the application of relevant hollow latex successively.Disclose a kind of preparation method of multilayer emulsion polymkeric substance as Chinese patent CN1220273, the low emulsion polymer of dried tap density that this method is prepared can be used as plastic pigments and is used for paper coating and emulsion paint, improves the hiding rare of filming.This patent is claimed and can be accomplished to do the minimum macropore latex that reaches 0.46 grams per milliliter of tap density.
Chinese patent CN1237598 then discloses a kind of spherosome pigment dyestuff that is used for paper or board coating, and this pigment dyestuff is that one deck is examined two-layer shell structure, and second layer shell is the polymkeric substance of second-order transition temperature-50~-15 ℃ of scopes.The inventor claims the polymer particle of this kind structure, can also improve the intensity of paper or cardboard when using as plastic pigments.
Above-mentioned patent all adopts the conventional emulsion polymerization technique to synthesize the emulsion polymer of hydrophilic core, hydrophobicity shell.Yet the ratio that accounts for the emulsion particle volume when nuclear adopts traditional technology to be difficult to examine coating fully greater than 20% the time, and the destruction that can cause the alkali swelling to cause nucleocapsid structure is difficult to obtain the bigger hollow latex of hollow volume.
Summary of the invention
The object of the present invention is to provide a kind of hollow polymer emulsion particle and preparation method thereof, to overcome deficiency of the prior art.
Hollow polymer emulsion particle of the present invention is a kind of hud typed emulsion polymer, comprising: a stratum nucleare polymkeric substance and at least two shell polymkeric substance, the stratum nucleare polymkeric substance is close to stratum nucleare and is followed successively by the first shell polymkeric substance, the second shell polymkeric substance outward in the inside.
Said stratum nucleare polymkeric substance by based on the hydrophobicity mono-vinyl unsaturated monomer of the wetting ability mono-vinyl unsaturated monomer of stratum nucleare total polymer 2-80% and 20-98% by emulsion polymerization prepared;
The said first shell polymkeric substance by based on the hydrophobicity mono-vinyl unsaturated monomer of the 60-99% of the first shell total polymer by emulsion polymerization prepared;
The second shell polymkeric substance by based on the hydrophobicity mono-vinyl unsaturated monomer of the 80-100% of the second shell total polymer by emulsion polymerization prepared;
The said stratum nucleare polymkeric substance and the first shell polymer weight ratio are 2: 1~1: 30, and the second-order transition temperature of the first shell polymkeric substance is 55-150 ℃;
The weight of said second layer shell polymkeric substance is the 10-60% of the first layer shell polymer weight, and the second-order transition temperature of second layer shell polymkeric substance is 80-150 ℃;
Said hollow polymer emulsion particle both can use volatile alkali also can use non-volatile alkali swelling under 90-100 ℃ condition.
Said wetting ability mono-vinyl unsaturated monomer is selected from vinylformic acid, methacrylic acid, methyl acrylate, ethyl propenoate or vinyl acetate;
Hydrophobicity mono-vinyl unsaturated monomer is selected from vinylbenzene, vinyl toluene, the C9 above acrylate of above tertiary ethylene carbonate C4 or methacrylic ester.
The preparation method of hollow polymer emulsion particle of the present invention comprises the steps:
(1) be that the wetting ability mono-vinyl unsaturated monomer of 2-80% and the hydrophobicity mono-vinyl unsaturated monomer of 20-98% pass through emulsion polymerization prepared stratum nucleare polymer emulsion with weight percent, method of emulsion polymerization is a kind of method of routine, and its processing condition Cao is with in beautiful " polymer emulsion " book detailed description being arranged;
(2) with the stratum nucleare polymer emulsion of hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer adding step (1), prepare product by emulsion polymerization: polymer emulsion with the first layer shell of being close to stratum nucleare;
In the gross weight of hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer, the insatiable hunger of hydrophobicity mono-vinyl accounts for 60-99%, and wetting ability mono-vinyl unsaturated monomer accounts for 1-40%;
The stratum nucleare polymer emulsion of step (1): hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer=1: 0.01~10, weight ratio;
(3) hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer are added step (2) product, prepare product by emulsion polymerization: have the polymer emulsion of being close to the first layer shell;
In the gross weight of hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer, hydrophobicity mono-vinyl unsaturated monomer accounts for 80-100%, and wetting ability mono-vinyl unsaturated monomer accounts for 0-20%;
The product of step (2): hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer=1: 0.1~10, weight ratio;
Said hydrophobicity mono-vinyl unsaturated monomer is selected from a kind of in vinylbenzene, vinyl toluene, the C9 above acrylate of above tertiary ethylene carbonate C4 or the methacrylic ester;
Said wetting ability mono-vinyl unsaturated monomer is selected from a kind of in vinylformic acid, methacrylic acid, methyl acrylate, ethyl propenoate or the vinyl acetate;
According to preferable methods of the present invention, the reinforced time of the first layer mix monomer is not less than 2.5 hours, and preferred 2.5~5 hours, the reinforced time of second layer mix monomer was not less than 1.5 hours, preferred 1.5~3.5 hours.
The hollow polymer emulsion particle that adopts aforesaid method to obtain, be the bigger hollow latex of a kind of hollow volume, the ratio that nuclear accounts for the emulsion particle volume is 60-80%, the hollow polymer emulsion particle that is much higher than the traditional technology preparation, and the shell polymkeric substance will be examined coating fully, the destruction that can cause the alkali swelling to cause nucleocapsid structure not can be used as the preparation that plastic pigments is used for paper coating and emulsion paint, improves the hiding rare of filming.During the face that prepared hollow latex is added paper to was coated with, paper of whiteness, glossiness, print gloss, ink absorption and wet picking strength all had obvious improvement.
Embodiment
Embodiment 1
The preparation of stratum nucleare polymer emulsion:
In 1000 milliliters reactor, add 341.4 gram water, and under nitrogen atmosphere, be warming up to 85 ℃, add 6.67 gram weight concentration and be 30% seed emulsion (median size is the phenylpropyl alcohol water dispersion of 30 nanometers) and 5.4 gram weight concentration and be 7.5% ammonium persulfate solution, Dropwise 50 gram weight concentration is 2% ammonium persulfate solution and by emulsion mixture that following component constituted simultaneously then:
80 gram water, the sodium lauryl sulphate of 0.87 gram weight concentration 23%, 120 gram vinylbenzene, 80 gram vinylformic acid.The reinforced time is 2 hours, the reinforced insulation 1 hour that finishes.Be cooled to room temperature and filter discharging.Obtain 30% solid content, median size is the emulsion of 142 nanometers.
Embodiment 2
The preparation of multi-functional hollow latex
In one 1000 milliliters reactor, add 263.0 gram water, and under nitrogen atmosphere, be warming up to 85 ℃, adding 66.67 gram embodiment 1 prepared stratum nucleare polymer emulsion, 5.4 gram weight concentration are 7.5% ammonium persulfate solution;
Simultaneously Dropwise 56 gram weight concentration are 2.2% ammonium persulfate solution and by emulsion mixture that following component constituted then:
80 gram water, the CO436 (alkylphenol ether sodium sulfate) of 1.38 grams, 32 gram butyl acrylates, 44.2 gram methyl methacrylates, 90.5 gram vinylbenzene, 3.5 gram vinylformic acid;
The reinforced time of above-mentioned emulsion mixture is 2 hours; Finish, drip immediately by 20 gram butyl acrylates and the 10 gram mixtures that vinylbenzene constituted, reinforced 1 hour time;
Add ammonium persulfate solution, the reinforced time is 3 hours.After reinforced being all over, 85 ℃ are incubated 20 minutes down.Then add 0.2 gram CO436, be warming up to 95 ℃, dripping 67 gram weight concentration in 30 minutes gradually is 28% ammoniacal liquor; 95 ℃ are incubated 1 hour down.
Be cooled to room temperature and filter discharging.
Obtaining solid content is that 30% (weight), particulate median size are the emulsion of 350 nanometers.
Embodiment 3
The application performance of multi-functional hollow latex:
Be used for the coating that face is coated with by following formulation: (weight)
85 parts of kaolin, 15 parts of embodiment 2 gained latex (over dry), 4 portions of modified starches, 12 parts of styrene-butadiene latexes, 0.01 part of defoamer Bevaloid681F (the inferior product in French sieve ground), solid content 60.2%, pH=9.0.
The employing ivory board is a body paper, and test result such as table 1 are tested in the coating back according to GB.
The comparative example 1
100 parts kaolin, 4 parts modified starch, 12 parts styrene-butadiene latex, 0.01 part of defoamer Bevaloid681F (the inferior product in French sieve ground), solid content 60.2%, pH=9.1;
The employing ivory board is a body paper, and test result such as table 1 are tested in the coating back according to GB.
Project The comparative example 1 Embodiment 4
Whiteness, % 92.9 93.6
The paper glossiness, % 57 62
Print gloss, % 93 97
Ink absorption, % 19 22
Wet picking strength, % 40.0 17.1
By table 1 as seen, during the face that uses embodiment 2 prepared hollow latex to add paper to was coated with, paper of whiteness, glossiness, print gloss, ink absorption and wet picking strength all had obvious improvement.

Claims (6)

1. a hollow polymer emulsion particle comprises a stratum nucleare polymkeric substance and at least two shell polymkeric substance, and the stratum nucleare polymkeric substance is close to stratum nucleare and is followed successively by the first shell polymkeric substance, the second shell polymkeric substance outward in the inside, it is characterized in that:
Said stratum nucleare polymkeric substance by based on the hydrophobicity mono-vinyl unsaturated monomer of the wetting ability mono-vinyl unsaturated monomer of the 2-80% of stratum nucleare total polymer and 20-98% by emulsion polymerization prepared;
The said first shell polymkeric substance by based on the hydrophobicity mono-vinyl unsaturated monomer of the 60-99% of the first shell total polymer by emulsion polymerization prepared;
The second shell polymkeric substance by the hydrophobicity mono-vinyl unsaturated monomer of the 80-100% of the second shell total polymer by emulsion polymerization prepared;
The second-order transition temperature of the first shell polymkeric substance is 55-150 ℃;
The second-order transition temperature of second layer shell polymkeric substance is 80-150 ℃.
2. hollow polymer emulsion particle according to claim 1 is characterized in that, the said stratum nucleare polymkeric substance and the first shell polymer weight ratio are 2: 1~1: 30.
3. hollow polymer emulsion particle according to claim 1 is characterized in that, the weight of said second layer shell polymkeric substance is the 10-60% of the first layer shell polymer weight.
4. according to each described hollow polymer emulsion particle of claim 1~3, it is characterized in that said wetting ability mono-vinyl unsaturated monomer is selected from acrylic or methacrylic acid.
5. according to the preparation method of each described hollow polymer emulsion particle of claim 1~4, it is characterized in that, comprise the steps:
(1) be that the wetting ability mono-vinyl unsaturated monomer of 2-80% and the hydrophobicity mono-vinyl unsaturated monomer of 20-98% pass through emulsion polymerization prepared stratum nucleare polymer emulsion with weight percent;
(2) with the stratum nucleare polymer emulsion of hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer adding step (1), prepare product by emulsion polymerization: polymer emulsion with the first layer shell of being close to stratum nucleare;
In the gross weight of hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer, hydrophobicity mono-vinyl unsaturated monomer accounts for 60-99%, and wetting ability mono-vinyl unsaturated monomer accounts for 1-40%;
The stratum nucleare polymer emulsion of step (1): hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer=1: 0.01~10, weight ratio;
(3) hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer are added step (2) product, prepare product by emulsion polymerization: have the polymer emulsion of being close to the first layer shell;
In the gross weight of hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer, hydrophobicity mono-vinyl unsaturated monomer accounts for 80-100%, and wetting ability mono-vinyl unsaturated monomer accounts for 0-20%;
The product of step (2): hydrophobicity mono-vinyl unsaturated monomer and wetting ability mono-vinyl unsaturated monomer=1: 0.1~10, weight ratio;
Said hydrophobicity mono-vinyl unsaturated monomer is selected from a kind of in vinylbenzene, vinyl toluene, the above tertiary ethylene carbonate of C9, the above acrylate of C4 or the methacrylic ester;
Said wetting ability mono-vinyl unsaturated monomer is selected from a kind of in the acrylic or methacrylic acid;
The reinforced time of the first layer mix monomer is 2.5~5 hours, and the reinforced time of second layer mix monomer is 1.5~3.5 hours.
6. according to the application of each described hollow polymer emulsion particle of claim 1~4, it is characterized in that, be used for the preparation of paper coating and emulsion paint.
CNB2006100281994A 2006-06-27 2006-06-27 Hollow polymer colloid grain and its production Active CN100427510C (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012533667A (en) * 2009-07-22 2012-12-27 ビーエーエスエフ ソシエタス・ヨーロピア Use of film-forming polymers and coatings for organic hollow particles
CN102898577A (en) * 2012-08-29 2013-01-30 华南理工大学 Polymeric hollow latex particles and preparation method thereof
CN104086689B (en) * 2014-07-03 2016-11-16 南京工业大学 Large-particle-size high-crosslinking-degree hollow polymer microparticle and preparation method thereof
MY177219A (en) * 2014-08-22 2020-09-09 Arkema Inc Voided latex particles
WO2016028511A1 (en) 2014-08-22 2016-02-25 Arkema Inc. Voided latex particles

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1040039A (en) * 1988-05-20 1990-02-28 罗姆和哈斯公司 Absorbed the light tight polymer beads of multilayer of non-polymeric acid
US5639805A (en) * 1991-12-13 1997-06-17 Korea Chemical Co., Ltd. Process for preparing core-shell emulsion polymer particles and resulting product containing such particles
CN1220273A (en) * 1997-11-05 1999-06-23 罗姆和哈斯公司 Process for preparing polymer emulsions and polymers formed therefrom
CN1237598A (en) * 1998-05-18 1999-12-08 罗姆和哈斯公司 Hollow sphere organic pigment for paper or paper coatings
CN1346833A (en) * 2000-09-29 2002-05-01 罗姆和哈斯公司 Process for chemical modifying surface of emulsion polymer particles
CN1432582A (en) * 2002-01-07 2003-07-30 罗姆和哈斯公司 Emulsion polymer and its prepn process
US20050085560A1 (en) * 1997-11-05 2005-04-21 Blankenship Robert M. Swollen multi-stage emulsion polymers with low bulk densities
US20060009587A1 (en) * 2004-07-06 2006-01-12 Kim Hae Y Method of preparing emulsion polymer with hollow structure and emulsion polymer prepared by the method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1040039A (en) * 1988-05-20 1990-02-28 罗姆和哈斯公司 Absorbed the light tight polymer beads of multilayer of non-polymeric acid
US5639805A (en) * 1991-12-13 1997-06-17 Korea Chemical Co., Ltd. Process for preparing core-shell emulsion polymer particles and resulting product containing such particles
CN1220273A (en) * 1997-11-05 1999-06-23 罗姆和哈斯公司 Process for preparing polymer emulsions and polymers formed therefrom
US20050085560A1 (en) * 1997-11-05 2005-04-21 Blankenship Robert M. Swollen multi-stage emulsion polymers with low bulk densities
CN1237598A (en) * 1998-05-18 1999-12-08 罗姆和哈斯公司 Hollow sphere organic pigment for paper or paper coatings
CN1346833A (en) * 2000-09-29 2002-05-01 罗姆和哈斯公司 Process for chemical modifying surface of emulsion polymer particles
CN1432582A (en) * 2002-01-07 2003-07-30 罗姆和哈斯公司 Emulsion polymer and its prepn process
US20060009587A1 (en) * 2004-07-06 2006-01-12 Kim Hae Y Method of preparing emulsion polymer with hollow structure and emulsion polymer prepared by the method

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Denomination of invention: Hollow polymer colloid grain and its production

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