CN109265887A - A kind of ultralight clay and preparation method thereof - Google Patents
A kind of ultralight clay and preparation method thereof Download PDFInfo
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- CN109265887A CN109265887A CN201810996050.8A CN201810996050A CN109265887A CN 109265887 A CN109265887 A CN 109265887A CN 201810996050 A CN201810996050 A CN 201810996050A CN 109265887 A CN109265887 A CN 109265887A
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- ultralight clay
- calcium carbonate
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- ultralight
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- 239000004927 clay Substances 0.000 title claims abstract description 80
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 98
- 239000000843 powder Substances 0.000 claims abstract description 56
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000006260 foam Substances 0.000 claims abstract description 27
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000003112 inhibitor Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 48
- 238000003756 stirring Methods 0.000 claims description 33
- 239000004005 microsphere Substances 0.000 claims description 29
- 235000021355 Stearic acid Nutrition 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 23
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 23
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 23
- 239000008117 stearic acid Substances 0.000 claims description 23
- 235000019508 mustard seed Nutrition 0.000 claims description 22
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 15
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 16
- 238000004898 kneading Methods 0.000 abstract description 11
- 231100000252 nontoxic Toxicity 0.000 abstract description 10
- 230000003000 nontoxic effect Effects 0.000 abstract description 10
- 229910021538 borax Inorganic materials 0.000 abstract description 7
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract description 7
- 239000004327 boric acid Substances 0.000 abstract description 7
- 239000004328 sodium tetraborate Substances 0.000 abstract description 7
- 235000010339 sodium tetraborate Nutrition 0.000 abstract description 7
- 238000000465 moulding Methods 0.000 abstract description 4
- 239000007864 aqueous solution Substances 0.000 description 28
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 24
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 24
- 238000001035 drying Methods 0.000 description 17
- 239000000243 solution Substances 0.000 description 14
- -1 γ-methacryloxy Propyl Chemical group 0.000 description 9
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 8
- 238000007605 air drying Methods 0.000 description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 7
- 229910021641 deionized water Inorganic materials 0.000 description 7
- 238000004132 cross linking Methods 0.000 description 6
- 229910000077 silane Inorganic materials 0.000 description 6
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 4
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 210000000582 semen Anatomy 0.000 description 4
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 4
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004029 environmental poison Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
- C08J9/0071—Nanosized fillers, i.e. having at least one dimension below 100 nanometers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/22—Expandable microspheres, e.g. Expancel®
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The present invention provides a kind of ultralight clays, including the following raw material to be prepared: rubber powder, water, foam powder, nanometer calcium carbonate, CMC.Additionally provide the preparation method of the ultralight clay.The present invention replaces traditional boric acid or borax using nanometer calcium carbonate and CMC, the ultralight clay being prepared is nontoxic, environmentally friendly, and than comparing in background technique, it has no irritating odor, kneading good hand touch, glossiness is higher after molding, with better agglomerating stability, density 0.25-0.3g/cm3；By the way that specific mould inhibitor is added, ultralight clay provided by the invention can be made to save 5 years and never degenerate mouldy under air-proof condition.
Description
Technical field
The present invention relates to paper clay technical fields, and in particular to a kind of ultralight clay and preparation method thereof.
Background technique
Paper clay is one kind of clay, is made with paper pulp hybrid resin and clay, and the more other clays of price are cheap, with
Face soil, clay etc. belong to common kneading model material.By adding water, hand kneading using after various tools, paper clay will become difference
Shape, but its shape just cannot be enabled to change again after parching.Paper clay is generally used for production clay figurine, trinket, paintings etc..
Ultralight clay (Super-Light Clay) is one kind of paper clay, and referred to as ultralight soil, kneading model gets up more easily more
Comfortably, be more suitable for moulding, be it is a kind of rise in Japan can natural air drying hand moulding material.
Ultralight clay mainly use high molecular material foam powder (vacuum microballoon) to foam, then with polyethanol, crosslinking
Physical mixed is made the materials such as agent, glycerol, pigment according to a certain percentage, since swelling volume is larger, specific gravity very little, generally
0.25-0.28, the weight after the works worked it out are dry be it is dry before 1/4, it is extremely light and do not allow frangible.Traditional is ultralight
Clay uses boric acid or borax to keep its agglomerating as crosslinking agent, but boric acid and borax have certain toxicity, is easy to children's
Health causes damages, and disputable in environmental protection always.And it is agglomerating steady by ultralight clay prepared by boric acid or borax
It is qualitative poor.Currently, also it has been proposed that using using glutaraldehyde replace traditional boric acid or borax so that ultralight clay without
Poison, environmental protection；And think that there is higher reactivity between glutaraldehyde and rubber powder, crosslinking is stronger, therefore makes ultralight clay
With better agglomerating stability.
But inventor has strongly eyes, skin and mucous membrane in practice, it has been found that glutaraldehyde has penetrating odor
Stimulation, especially to ultralight clay carry out kneading when, irritating smell is bigger.Moreover, being obtained using glutaraldehyde
Ultralight clay, only with rubber powder as solid packing, kneading feel is general, and after shaping and drying, surface gloss also compares
Difference.
Therefore, a kind of new ultralight clay is developed, improves its feature of environmental protection, while improving its kneading feel, not only has and compels
The researching value cut, it may have good economic benefit and commercial application potentiality, this power institute exactly of the invention being accomplished
And basis.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of ultralight clay and preparation method thereof, to improve its environmental protection
Property, while improving the surface gloss after its kneading feel and shaping and drying.
In a first aspect, the present invention provides a kind of ultralight clay, including the following raw material is prepared: rubber powder, water, foaming
Powder, nanometer calcium carbonate, CMC (sodium carboxymethylcellulose).
In the present invention, as a kind of perferred technical scheme, the parts by weight of the raw material are as follows:
In the present invention, the parts by weight of the rubber powder can be 20 parts, 22 parts, 24 parts, 25 parts, 26 parts, 28 parts, 30 parts,
32 parts, 34 parts, 35 parts, 36 parts, 38 parts, 40 parts, 42 parts, 44 parts, 45 parts, 46 parts, 48 parts or 50 parts etc..
Correspondingly, the parts by weight of the water can be 45 parts, 46 parts, 48 parts, 50 parts, 52 parts, 54 parts, 55 parts, 56
Part, 58 parts, 60 parts, 62 parts, 64 parts, 65 parts, 66 parts, 68 parts, 70 parts, 72 parts, 74 parts or 75 parts etc..
Correspondingly, the parts by weight of the foam powder can be 2 parts, 2.2 parts, 2.4 parts, 2.5 parts, 2.6 parts, 2.8 parts, 3
Part, 3.2 parts, 3.4 parts, 3.5 parts, 3.6 parts, 3.8 parts, 4 parts, 4.2 parts, 4.4 parts, 4.5 parts, 4.6 parts, 4.8 parts or 5 parts etc..
Correspondingly, the parts by weight of the nanometer calcium carbonate can be 2 parts, 2.2 parts, 2.4 parts, 2.5 parts, 2.6 parts, 2.8
Part, 3 parts, 3.2 parts, 3.4 parts, 3.5 parts, 3.6 parts, 3.8 parts, 4 parts, 4.2 parts, 4.4 parts, 4.5 parts, 4.6 parts, 4.8 parts, 5 parts,
5.1 parts, 5.2 parts, 5.3 parts, 5.4 parts, 5.5 parts, 5.6 parts, 5.7 parts, 5.8 parts, 5.9 parts or 6 parts etc..
Correspondingly, the parts by weight of the CMC can be 1 part, 1.2 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.8 parts, 2 parts,
2.2 parts, 2.4 parts, 2.5 parts, 2.6 parts, 2.8 parts, 3 parts, 3.2 parts, 3.4 parts, 3.5 parts, 3.6 parts, 3.8 parts, 4 parts, 4.2 parts,
4.4 parts, 4.5 parts, 4.6 parts, 4.8 parts or 5 parts etc..
In the present invention, as a kind of perferred technical scheme, the parts by weight of the raw material are as follows:
In the present invention, as a kind of perferred technical scheme, the raw material of the ultralight clay further includes 0.4-0.8 parts
Mould inhibitor.
Correspondingly, the parts by weight of the mould inhibitor can be 0.4 part, 0.5 part, 0.6 part, 0.7 part or 0.8 part etc..
In the present invention, as a kind of perferred technical scheme, the rubber powder is polyvinyl alcohol.
In the present invention, as a kind of perferred technical scheme, the number-average molecular weight of the polyvinyl alcohol is 2000-5000；
Such as it can be 2000,2200,2500,2800,3000,3200,3500,3800,4000,4200,4500,4800 or 5000
Deng.
In the present invention, as a kind of perferred technical scheme, the foam powder is modified porous hollow microsphere.
The modified porous hollow microsphere refers to be modified using γ-methacryloxypropyl trimethoxy silane
Porous hollow microballoon, and modified porous hollow microsphere is prepared with the following method: first by γ-methacryloxy
Propyl trimethoxy silicane is configured to account for the aqueous solution of Porous hollow microspheres quality score 2.5%, stirs evenly, the matter of aqueous solution
Measuring score is 1.5%；By aqueous solution pour into drying after Porous hollow microballoon in, stir 45min, make aqueous solution it is coated porous in
Empty microballoon；Then modified Porous hollow microballoon is put into 25 DEG C of bellows after low-temperature air-drying 4.5h, is taken out spare.
In the present invention, as a kind of perferred technical scheme, the nanometer calcium carbonate is modified using stearic acid, step
Suddenly are as follows: the stearic acid for weighing nanometer calcium carbonate weight 2.5%, by stearic acid, deionized water, that nanometer calcium carbonate is deployed into slurry is dense
The solution that degree is 9%, handles 50min under conditions of temperature is 85 DEG C, stirring rate is 2500r/ min, is then dried
Dry, drying temperature is 100 DEG C.
In the present invention, as a kind of perferred technical scheme, the mould inhibitor uses mustard seed extract.
In the present invention, as a kind of perferred technical scheme, the mustard seed extract is prepared with the following method: will
Mustard seed crushing, the sieve for crossing 200 mesh extract mustard seed powder 82 minutes in the case where pressure is 35.7MPa, temperature is 49.1 DEG C, will produce
Object is separated using separating still, obtains mustard seed extract.
Second aspect, the present invention provides the preparation methods of above-mentioned ultralight clay, include the following steps:
(1) water of formula ratio, nanometer calcium carbonate, CMC and mould inhibitor are mixed, obtains the first mixed material；
(2) first mixed material is mixed with the foam powder of formula ratio, obtains the second mixed material；
(3) second mixed material is mixed with the rubber powder of formula ratio, obtains the ultralight clay.
As the preferred technical solution of the present invention, mixing is carried out in mixing machine described in step (1)-step (3).
In the present invention, as a kind of perferred technical scheme, the stirring rate of mixing machine described in step (1) is 200-
500r/min, for example, can be 200r/min, 250r/min, 300r/min, 350r/min, 400r/min, 450r/min or
500r/min etc.；The mixed time be 5-10min, such as can be 5min, 5.5min, 6min, 6.5min, 7min,
7.5min, 8min, 8.5min, 9min, 9.5min or 10min etc..
In the present invention, as a kind of perferred technical scheme, the stirring rate of mixing machine described in step (2) is 200-
500r/min, for example, can be 200r/min, 250r/min, 300r/min, 350r/min, 400r/min, 450r/min or
500r/min etc.；The mixed time be 5-10min, such as can be 5min, 5.5min, 6min, 6.5min, 7min,
7.5min, 8min, 8.5min, 9min, 9.5min or 10min etc..
In the present invention, as a kind of perferred technical scheme, the stirring rate of mixing machine described in step (3) is 200-
500r/min, for example, can be 200r/min, 250r/min, 300r/min, 350r/min, 400r/min, 450r/min or
500r/min etc.；The mixed time be 30-60min, such as can be 30min, 32min, 35min, 38min, 40min,
42min, 45min, 48min, 50min, 52min, 55min, 58min or 60min etc..
In the present invention, as a kind of perferred technical scheme, the preparation method includes the following steps:
(1) water of formula ratio, nanometer calcium carbonate, CMC and mould inhibitor are added to the mixer, 200-500r/min's
5-10min is mixed under stirring rate, obtains the first mixed material；
(2) foam powder of formula ratio is added into the mixing machine, with first mixed material in 200-500r/min
Speed of agitator under mix 5-10min, obtain the second mixed material；
(3) continue the rubber powder that formula ratio is added into the mixing machine, with second mixed material in 200-500r/
30-60min is mixed under the speed of agitator of min, obtains the ultralight clay.
As shown from the above technical solution, ultralight clay provided by the invention, raw material include rubber powder, water, foam powder, nano-sized carbon
Sour calcium, CMC (sodium carboxymethylcellulose), wherein rubber powder uses number-average molecular weight for the pharmaceutical grade Polyethylene alcohol of 2000-5000,
It is a kind of extremely safe macromolecule organic, it is nontoxic to the human body, it is without side-effects, there is good compatibility, foam powder uses γ-
The modified Porous hollow microballoon of methacryloxypropyl trimethoxy silane, nanometer calcium carbonate are changed using stearic acid
Property, CMC (sodium carboxymethylcellulose) safety is very high, and pure CMC is used for food by FAO and WHO approved, it is by very stringent
Biology, just get the Green Light after toxicologic study and test, the amount safe for ingestion (ADI) of international standard is 25mg/
(kgd), i.e., about everyone 1.5g/d.Once it was reported that, someone tested intake and reaches 10kg also not toxic reaction, comprehensive
Upper described, middle-molecular-weihydroxyethyl of the present invention is the effect that the pharmaceutical grade Polyethylene alcohol of 2000-5000 can play extraordinary fusion, crosslinking
Fruit, its glass microballoon of specific foam powder has biggish surface tension, and double bond makes it easier to combine rubber powder；, in addition, non-pole
Property end chain length it is longer, the transition zone for forming itself and rubber powder, nanometer calcium carbonate has good space flexibility, improves whole
The apparent density of body, kneading feel are preferable；Its activation index of modified nano calcium carbonate is more easier and foams up to 0.94 or more
Powder, rubber powder, CMC (sodium carboxymethylcellulose) crosslinking combine, and it is preferable to improve kneading feel, meanwhile, whiteness 96% or more,
Also improve glossiness of the ultralight clay after shaping and drying；The mixing paste glue color of CMC does not have in paste glue close to colorless and transparent
Granular substance.Moreover, nanometer calcium carbonate and CMC replace traditional boric acid or borax, therefore obtained ultralight clay is nontoxic, ring
It protects；And there is higher reactivity between nanometer calcium carbonate and CMC and rubber powder, crosslinking is stronger, therefore has ultralight clay
There is better agglomerating stability.Mould inhibitor use Semen Brassicae Junceae extract, it is harmless, and be easy to be dispersed in clay its
In his raw material, anti-mold effect is fine.
Method provided by the invention, step by step mixes material, avoids certain materials and goes out in disposable mixing
Existing agglomeration, while the cross-linking effect between each component is also improved, it is adapted with specific component, improves agglomerating stabilization
Property.
In conclusion the present invention replaces traditional boric acid or borax using nanometer calcium carbonate and CMC, what is be prepared is ultralight
Clay is nontoxic, environmentally friendly, and than comparing in background technique, has no irritating odor, kneading good hand touch, glossiness is higher after molding,
With better agglomerating stability, density 0.25-0.3g/cm3；By the way that specific mould inhibitor is added, the present invention can be made
The ultralight clay provided is saved 5 years under air-proof condition and is never degenerated mouldy.
Specific embodiment
Technical solution of the present invention is described in detail below in conjunction with specific embodiment.Following embodiment is only used for more
Add and clearly demonstrate technical solution of the present invention, therefore be only used as example, and not intended to limit the protection scope of the present invention.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
Embodiment 1
A kind of ultralight clay, preparing raw material includes:
20 parts of polyvinyl alcohol；
73 parts of water；
4 parts of hollow microsphere；
2 parts of nanometer calcium carbonate；
1 part of CMC；
Wherein, the number-average molecular weight of polyvinyl alcohol is 2000；Foam powder uses γ-methacryloxypropyl trimethoxy
The Porous hollow microballoon that base silane is modified, and modified porous hollow microsphere is prepared with the following method: first by γ-
Methacryloxypropyl trimethoxy silane is configured to account for the aqueous solution of Porous hollow microspheres quality score 2.5%, stirring
Uniformly, the mass fraction of aqueous solution is 1.5%；Aqueous solution is poured into the Porous hollow microballoon after drying, 45min is stirred, makes
The coated porous hollow microsphere of aqueous solution；Then modified Porous hollow microballoon is put into low-temperature air-drying 4.5h in 25 DEG C of bellows
Afterwards, it takes out spare；The nanometer calcium carbonate is modified using stearic acid, the steps include: to weigh nanometer calcium carbonate weight 2.5%
Stearic acid, by stearic acid, deionized water, nanometer calcium carbonate be deployed into pulp density be 9% solution, temperature be 85 DEG C,
Stirring rate handles 50min under conditions of being 2500r/min, is then dried, and drying temperature is 100 DEG C.
The preparation method of above-mentioned ultralight clay includes the following steps:
(1) water of formula ratio, nanometer calcium carbonate and CMC are added to the mixer, are mixed under the stirring rate of 200r/min
5min is closed, the first mixed material is obtained；
(2) foam powder of formula ratio is added into above-mentioned mixing machine, with above-mentioned first mixed material stirring in 200r/min
It mixes and mixes 10min under revolving speed, obtain the second mixed material；
(3) rubber powder stated and formula ratio is added in mixing machine is continued up, with above-mentioned second mixed material 200r/min's
60min is mixed under speed of agitator, obtains above-mentioned ultralight clay.
Compared to traditional ultralight clay of boracic, ultralight clay provided in this embodiment is nontoxic, environmentally friendly, and has better
Agglomerating stability, density 0.27g/cm3。
Embodiment 2
A kind of ultralight clay, preparing raw material includes:
50 parts of polyvinyl alcohol；
45 parts of water；
2 parts of hollow microsphere；
2 parts of nanometer calcium carbonate；
1 part of CMC；
Wherein, the number-average molecular weight of polyvinyl alcohol is 5000；Foam powder uses γ-methacryloxypropyl trimethoxy
The Porous hollow microballoon that base silane is modified, and modified porous hollow microsphere is prepared with the following method: first by γ-
Methacryloxypropyl trimethoxy silane is configured to account for the aqueous solution of Porous hollow microspheres quality score 2.5%, stirring
Uniformly, the mass fraction of aqueous solution is 1.5%；Aqueous solution is poured into the Porous hollow microballoon after drying, 45min is stirred, makes
The coated porous hollow microsphere of aqueous solution；Then modified Porous hollow microballoon is put into low-temperature air-drying 4.5h in 25 DEG C of bellows
Afterwards, it takes out spare；The nanometer calcium carbonate is modified using stearic acid, the steps include: to weigh nanometer calcium carbonate weight 2.5%
Stearic acid, by stearic acid, deionized water, nanometer calcium carbonate be deployed into pulp density be 9% solution, temperature be 85 DEG C,
Stirring rate handles 50min under conditions of being 2500r/min, is then dried, and drying temperature is 100 DEG C.
The preparation method of above-mentioned ultralight clay includes the following steps:
(1) water of formula ratio, nanometer calcium carbonate and CMC are added to the mixer, are mixed under the stirring rate of 300r/min
10min is closed, the first mixed material is obtained；
(2) foam powder of formula ratio is added into above-mentioned mixing machine, with above-mentioned first mixed material stirring in 300r/min
It mixes and mixes 5min under revolving speed, obtain the second mixed material；
(3) rubber powder stated and formula ratio is added in mixing machine is continued up, with above-mentioned second mixed material 300r/min's
30min is mixed under speed of agitator, obtains above-mentioned ultralight clay.
Compared to traditional ultralight clay of boracic, ultralight clay provided in this embodiment is nontoxic, environmentally friendly, and has better
Agglomerating stability, density 0.3g/cm3。
Embodiment 3
A kind of ultralight clay, preparing raw material includes:
22 parts of polyvinyl alcohol；
67.6 parts of water；
5 parts of hollow microsphere；
3 parts of nanometer calcium carbonate；
2 parts of CMC；
0.4 part of Semen Brassicae Junceae extract；
Wherein, the number-average molecular weight of polyvinyl alcohol is 2500；Foam powder uses γ-methacryloxypropyl trimethoxy
The Porous hollow microballoon that base silane is modified, and modified porous hollow microsphere is prepared with the following method: first by γ-
Methacryloxypropyl trimethoxy silane is configured to account for the aqueous solution of Porous hollow microspheres quality score 2.5%, stirring
Uniformly, the mass fraction of aqueous solution is 1.5%；Aqueous solution is poured into the Porous hollow microballoon after drying, 45min is stirred, makes
The coated porous hollow microsphere of aqueous solution；Then modified Porous hollow microballoon is put into low-temperature air-drying 4.5h in 25 DEG C of bellows
Afterwards, it takes out spare；The nanometer calcium carbonate is modified using stearic acid, the steps include: to weigh nanometer calcium carbonate weight 2.5%
Stearic acid, by stearic acid, deionized water, nanometer calcium carbonate be deployed into pulp density be 9% solution, temperature be 85 DEG C,
Stirring rate handles 50min under conditions of being 2500r/min, is then dried, and drying temperature is 100 DEG C；Mustard seed extract
Be prepared with the following method: mustard seed is crushed, the sieve of crossing 200 mesh, by mustard seed powder pressure is 35.7MPa, temperature is
It is extracted 82 minutes at 49.1 DEG C, product utilization separating still is separated, mustard seed extract is obtained.
The preparation method of above-mentioned ultralight clay includes the following steps:
(1) by the water of formula ratio, nanometer calcium carbonate, CMC and mould inhibitor be added to the mixer, in the stirring of 350r/min
8min is mixed under rate, obtains the first mixed material；
(2) foam powder of formula ratio is added into above-mentioned mixing machine, with above-mentioned first mixed material stirring in 350r/min
It mixes and mixes 10min under revolving speed, obtain the second mixed material；
(3) rubber powder stated and formula ratio is added in mixing machine is continued up, with above-mentioned second mixed material 350r/min's
40min is mixed under speed of agitator, obtains above-mentioned ultralight clay.
Compared to traditional ultralight clay of boracic, ultralight clay provided in this embodiment is nontoxic, environmentally friendly, have preferably at
Group's stability, density 0.25g/cm3, Storage period reaches 5 years under air-proof condition.
Embodiment 4
A kind of ultralight clay, preparing raw material includes:
26 parts of polyvinyl alcohol；
66 parts of water；
3.7 parts of hollow microsphere；
2 parts of nanometer calcium carbonate；
1.5 parts of CMC；
0.8 part of copper sulphate；
Wherein, the number-average molecular weight of polyvinyl alcohol is 3000；Foam powder uses γ-methacryloxypropyl trimethoxy
The Porous hollow microballoon that base silane is modified, and modified porous hollow microsphere is prepared with the following method: first by γ-
Methacryloxypropyl trimethoxy silane is configured to account for the aqueous solution of Porous hollow microspheres quality score 2.5%, stirring
Uniformly, the mass fraction of aqueous solution is 1.5%；Aqueous solution is poured into the Porous hollow microballoon after drying, 45min is stirred, makes
The coated porous hollow microsphere of aqueous solution；Then modified Porous hollow microballoon is put into low-temperature air-drying 4.5h in 25 DEG C of bellows
Afterwards, it takes out spare；The nanometer calcium carbonate is modified using stearic acid, the steps include: to weigh nanometer calcium carbonate weight 2.5%
Stearic acid, by stearic acid, deionized water, nanometer calcium carbonate be deployed into pulp density be 9% solution, temperature be 85 DEG C,
Stirring rate handles 50min under conditions of being 2500r/min, is then dried, and drying temperature is 100 DEG C；Mustard seed extract
Be prepared with the following method: mustard seed is crushed, the sieve of crossing 200 mesh, by mustard seed powder pressure is 35.7MPa, temperature is
It is extracted 82 minutes at 49.1 DEG C, product utilization separating still is separated, mustard seed extract is obtained.
The preparation method of above-mentioned ultralight clay includes the following steps:
(1) water of formula ratio, nanometer calcium carbonate, CMC and mould inhibitor are added to the mixer, in the stirring of 400r/min
6min is mixed under rate, obtains the first mixed material；
(2) foam powder of formula ratio is added into above-mentioned mixing machine, with above-mentioned first mixed material stirring in 400r/min
It mixes and mixes 8min under revolving speed, obtain the second mixed material；
(3) rubber powder stated and formula ratio is added in mixing machine is continued up, with above-mentioned second mixed material 400r/min's
50min is mixed under speed of agitator, obtains above-mentioned ultralight clay.
Compared to traditional ultralight clay of boracic, ultralight clay provided in this embodiment is nontoxic, environmentally friendly, have preferably at
Group's stability, density 0.28g/cm3, Storage period reaches 5 years under air-proof condition.
Embodiment 5
A kind of ultralight clay, preparing raw material includes:
40 parts of polyvinyl alcohol；
52 parts of water；
3.5 parts of hollow microsphere；
2 parts of nanometer calcium carbonate；
2 parts of CMC；
0.5 part of Semen Brassicae Junceae extract；
Wherein, the number-average molecular weight of polyvinyl alcohol is 4000；Foam powder uses γ-methacryloxypropyl trimethoxy
The Porous hollow microballoon that base silane is modified, and modified porous hollow microsphere is prepared with the following method: first by γ-
Methacryloxypropyl trimethoxy silane is configured to account for the aqueous solution of Porous hollow microspheres quality score 2.5%, stirring
Uniformly, the mass fraction of aqueous solution is 1.5%；Aqueous solution is poured into the Porous hollow microballoon after drying, 45min is stirred, makes
The coated porous hollow microsphere of aqueous solution；Then modified Porous hollow microballoon is put into low-temperature air-drying 4.5h in 25 DEG C of bellows
Afterwards, it takes out spare；The nanometer calcium carbonate is modified using stearic acid, the steps include: to weigh nanometer calcium carbonate weight 2.5%
Stearic acid, by stearic acid, deionized water, nanometer calcium carbonate be deployed into pulp density be 9% solution, temperature be 85 DEG C,
Stirring rate handles 50min under conditions of being 2500r/min, is then dried, and drying temperature is 100 DEG C；Mustard seed extract
Be prepared with the following method: mustard seed is crushed, the sieve of crossing 200 mesh, by mustard seed powder pressure is 35.7MPa, temperature is
It is extracted 82 minutes at 49.1 DEG C, product utilization separating still is separated, mustard seed extract is obtained.
The preparation method of above-mentioned ultralight clay includes the following steps:
(1) water of formula ratio, nanometer calcium carbonate, CMC and mould inhibitor are added to the mixer, in the stirring of 450r/min
7min is mixed under rate, obtains the first mixed material；
(2) foam powder of formula ratio is added into above-mentioned mixing machine, with above-mentioned first mixed material stirring in 450r/min
It mixes and mixes 6min under revolving speed, obtain the second mixed material；
(3) rubber powder stated and formula ratio is added in mixing machine is continued up, with above-mentioned second mixed material 450r/min's
45min is mixed under speed of agitator, obtains above-mentioned ultralight clay.
Compared to traditional ultralight clay of boracic, ultralight clay provided in this embodiment is nontoxic, environmentally friendly, have preferably at
Group's stability, density 0.27g/cm3, Storage period reaches 5 years under air-proof condition.
Embodiment 6
A kind of ultralight clay, preparing raw material includes:
32 parts of polyvinyl alcohol；
59.5 parts of water；
4.2 parts of hollow microsphere；
2 parts of nanometer calcium carbonate；
1.5 parts of CMC；
0.8 part of Semen Brassicae Junceae extract；
Wherein, the number-average molecular weight of polyvinyl alcohol is 3000；Foam powder uses γ-methacryloxypropyl trimethoxy
The Porous hollow microballoon that base silane is modified, and modified porous hollow microsphere is prepared with the following method: first by γ-
Methacryloxypropyl trimethoxy silane is configured to account for the aqueous solution of Porous hollow microspheres quality score 2.5%, stirring
Uniformly, the mass fraction of aqueous solution is 1.5%；Aqueous solution is poured into the Porous hollow microballoon after drying, 45min is stirred, makes
The coated porous hollow microsphere of aqueous solution；Then modified Porous hollow microballoon is put into low-temperature air-drying 4.5h in 25 DEG C of bellows
Afterwards, it takes out spare；The nanometer calcium carbonate is modified using stearic acid, the steps include: to weigh nanometer calcium carbonate weight 2.5%
Stearic acid, by stearic acid, deionized water, nanometer calcium carbonate be deployed into pulp density be 9% solution, temperature be 85 DEG C,
Stirring rate handles 50min under conditions of being 2500r/min, is then dried, and drying temperature is 100 DEG C；Mustard seed extract
Be prepared with the following method: mustard seed is crushed, the sieve of crossing 200 mesh, by mustard seed powder pressure is 35.7MPa, temperature is
It is extracted 82 minutes at 49.1 DEG C, product utilization separating still is separated, mustard seed extract is obtained.
The preparation method of above-mentioned ultralight clay includes the following steps:
(1) water of formula ratio, nanometer calcium carbonate, CMC and mould inhibitor are added to the mixer, in the stirring of 500r/min
5min is mixed under rate, obtains the first mixed material；
(2) foam powder of formula ratio is added into above-mentioned mixing machine, with above-mentioned first mixed material stirring in 500r/min
It mixes and mixes 5min under revolving speed, obtain the second mixed material；
(3) rubber powder stated and formula ratio is added in mixing machine is continued up, with above-mentioned second mixed material 500r/min's
30min is mixed under speed of agitator, obtains above-mentioned ultralight clay.
Compared to traditional ultralight clay of boracic, ultralight clay provided in this embodiment is nontoxic, environmentally friendly, have preferably at
Group's stability, density 0.26g/cm3, Storage period reaches 5 years under air-proof condition.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (10)
1. a kind of ultralight clay, it is characterised in that: be prepared including the following raw material: rubber powder, water, foam powder, nanometer calcium carbonate,
CMC。
2. a kind of ultralight clay as described in claim 1, it is characterised in that: the parts by weight of the raw material are as follows:
3. a kind of ultralight clay as claimed in claim 2, it is characterised in that: the parts by weight of the raw material are as follows:
4. a kind of ultralight clay as claimed in claim 2 or claim 3, it is characterised in that: the raw material of the ultralight clay further includes
0.4-0.8 parts of mould inhibitor.
5. a kind of ultralight clay as claimed in claim 4, it is characterised in that: the rubber powder is polyvinyl alcohol.
6. a kind of ultralight clay as claimed in claim 5, it is characterised in that: the foam powder is modified porous hollow microsphere.
7. a kind of ultralight clay as claimed in claim 6, it is characterised in that: the nanometer calcium carbonate is changed using stearic acid
Property.
8. a kind of ultralight clay as claimed in claim 7, it is characterised in that: the mould inhibitor uses mustard seed extract.
9. a kind of preparation method of ultralight clay, characterized by the following steps:
(1) water of formula ratio, nanometer calcium carbonate, CMC and mould inhibitor are mixed, obtains the first mixed material；
(2) first mixed material is mixed with the foam powder of formula ratio, obtains the second mixed material；
(3) second mixed material is mixed with the rubber powder of formula ratio, obtains the ultralight clay.
10. preparation method as claimed in claim 9, it is characterised in that: the preparation method includes the following steps:
(1) water of formula ratio, nanometer calcium carbonate, CMC and mould inhibitor are added to the mixer, in the stirring speed of 200-500r/min
5-10min is mixed under rate, obtains the first mixed material；
(2) foam powder of formula ratio is added into the mixing machine, with the first mixed material stirring in 200-500r/min
It mixes and mixes 5-10min under revolving speed, obtain the second mixed material；
(3) continue the rubber powder that formula ratio is added into the mixing machine, with second mixed material 200-500r/min's
30-60min is mixed under speed of agitator, obtains the ultralight clay.
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| CN110272635A (en) * | 2019-07-09 | 2019-09-24 | 临沂市博士爱文具有限公司 | A kind of preparation method of the ultralight clay of ultralight macromolecule |
| CN110305494A (en) * | 2019-07-09 | 2019-10-08 | 临沂市博士爱文具有限公司 | A kind of preparation method of the nontoxic ultralight clay of colour |
| CN111961301A (en) * | 2020-07-22 | 2020-11-20 | 江苏华彩化学科技有限公司 | Safe and environment-friendly boron-free ultra-light clay and preparation method thereof |
| CN112159574A (en) * | 2020-09-23 | 2021-01-01 | 漯河市罗弗文具制造有限公司 | Titanate chelating agent, environment-friendly boron-free high-molecular polyvinyl alcohol-based ultralight clay and preparation method thereof |
| CN112679894A (en) * | 2020-12-24 | 2021-04-20 | 快思瑞科技(上海)有限公司 | Boron-free and nontoxic toy ultralight clay and preparation method thereof |
| CN112708231A (en) * | 2020-12-24 | 2021-04-27 | 快思瑞科技(上海)有限公司 | Environment-friendly nontoxic ultralight clay and preparation method thereof |
| CN118063912A (en) * | 2024-04-18 | 2024-05-24 | 天津伊比沙玻璃珠有限公司 | Ultralight clay and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110272635A (en) * | 2019-07-09 | 2019-09-24 | 临沂市博士爱文具有限公司 | A kind of preparation method of the ultralight clay of ultralight macromolecule |
| CN110305494A (en) * | 2019-07-09 | 2019-10-08 | 临沂市博士爱文具有限公司 | A kind of preparation method of the nontoxic ultralight clay of colour |
| CN111961301A (en) * | 2020-07-22 | 2020-11-20 | 江苏华彩化学科技有限公司 | Safe and environment-friendly boron-free ultra-light clay and preparation method thereof |
| CN112159574A (en) * | 2020-09-23 | 2021-01-01 | 漯河市罗弗文具制造有限公司 | Titanate chelating agent, environment-friendly boron-free high-molecular polyvinyl alcohol-based ultralight clay and preparation method thereof |
| CN112679894A (en) * | 2020-12-24 | 2021-04-20 | 快思瑞科技(上海)有限公司 | Boron-free and nontoxic toy ultralight clay and preparation method thereof |
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| CN118063912B (en) * | 2024-04-18 | 2024-06-18 | 天津伊比沙玻璃珠有限公司 | Ultralight clay and preparation method thereof |
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Application publication date: 20190125 |