CN108102266A - 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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- CN108102266A CN108102266A CN201711392358.3A CN201711392358A CN108102266A CN 108102266 A CN108102266 A CN 108102266A CN 201711392358 A CN201711392358 A CN 201711392358A CN 108102266 A CN108102266 A CN 108102266A
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- ultralight clay
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- formula ratio
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- 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
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- 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
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- 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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of ultralight clays and preparation method thereof, and by mass percentage, the ultralight clay includes the following raw material component：20 50% rubber powder, 45 75% water, 2 5% foam powder and 1 5% glutaraldehyde.The ultralight clay is by first being mixed the water of formula ratio and glutaraldehyde, adding the foam powder mixing of formula ratio, obtained after being eventually adding the rubber powder mixing of formula ratio.Compared to traditional ultralight clay of boracic, ultralight clay asepsis environment-protecting provided by the invention has better agglomerating stability.
Description
Technical field
The invention belongs to paper clay technical fields, and in particular to a kind of ultralight clay and preparation method thereof.
Background technology
Paper clay and face soil, clay etc. belong to common kneading model material together, are usually used in making clay figurine, jewelry, paintings etc..Paper glues
Soil since the acquirement and storage of material are convenient, conveniently everywhere can kneading model, coloring freely, and unlike ceramics have the spy that need to be roasted
Property, it is created with it, there is the pleasant sensation played and directly touched as soil, and can directly participated in watercolor or coat watercolor, acryl
The pigment such as coloured silk, greasepaint, therefore it is popular in modern society.
Ultralight clay (Super-Light Clay) is one kind of paper clay, and referred to as ultralight soil, kneading model gets up 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 is mainly mixed with high molecular material and crosslinking agent, foaming agent, water, pigment etc., is crosslinked instead
Should, while foaming swells and is made.Ultralight clay is since swelling volume is larger, proportion very little, generally 0.25-0.28, works it out
The dried weight of works be approximately it is dry before 1/4, it is extremely light and do not allow frangible, hence obtain one's name.
Ultralight clay is frequently as the kneading model material of toy for children.Traditional ultralight clay uses boric acid or borax as friendship
Connection agent makes its agglomerating, but boric acid and borax have certain toxicity, easily damage to the health of children, and always in ring
It is disputable in terms of guarantor.It is and poor by the agglomerating stability of ultralight clay prepared by boric acid or borax.Therefore, research and development it is a kind of it is nontoxic,
Environmental protection, and the ultralight clay that agglomerating stability is good, are this field urgent problems to be solved.
The content of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of ultralight clay and preparation method thereof,
Compared to traditional ultralight clay of boracic, ultralight clay provided by the invention is nontoxic, environmentally friendly, has better agglomerating stability.
For this purpose, the present invention uses following technical scheme：
On the one hand, the present invention provides a kind of ultralight clay, by mass percentage, including the following raw material component：
The present invention replaces traditional boric acid or borax using glutaraldehyde, therefore obtained ultralight clay is nontoxic, environmentally friendly；And penta
There is higher reactivity, crosslinking is more secured, therefore ultralight clay is made to have better agglomerating stabilization between dialdehyde and rubber powder
Property.
In the present invention, the mass percent of the rubber powder can be 20%, 22%, 24%, 25%, 26%, 28%,
30%th, 32%, 34%, 35%, 36%, 38%, 40%, 42%, 44%, 45%, 46%, 48% or 50% etc..
The mass percent of the water can be 45%, 46%, 48%, 50%, 52%, 54%, 55%, 56%,
58%th, 60%, 62%, 64%, 65%, 66%, 68%, 70%, 72%, 74% or 75% etc..
The mass percent of the foam powder can be 2%, 2.2%, 2.4%, 2.5%, 2.6%, 2.8%, 3%,
3.2%th, 3.4%, 3.5%, 3.6%, 3.8%, 4%, 4.2%, 4.4%, 4.5%, 4.6%, 4.8% or 5% etc..
The mass percent of the glutaraldehyde can be 1%, 1.2%, 1.4%, 1.5%, 1.6%, 1.8%, 2%,
2.2%th, 2.4%, 2.5%, 2.6%, 2.8%, 3%, 3.2%, 3.4%, 3.5%, 3.6%, 3.8%, 4%, 4.2%,
4.4%th, 4.5%, 4.6%, 4.8% or 5% etc..
As the preferred technical solution of the present invention, the ultralight clay by mass percentage, including the following raw material component：
As the preferred technical solution of the present invention, by mass percentage, the raw material components of the ultralight clay further include
The mould inhibitor of 0.4-0.8% (such as 0.4%, 0.5%, 0.6%, 0.7% or 0.8% etc.).
As the preferred technical solution of the present invention, the rubber powder is polyvinyl alcohol.
Preferably, the number-average molecular weight of the polyvinyl alcohol is 2000-5000；Such as can be 2000,2200,2500,
2800th, 3000,3200,3500,3800,4000,4200,4500,4800 or 5000 etc..
As the preferred technical solution of the present invention, the foam powder is hollow microsphere.
As the preferred technical solution of the present invention, the mould inhibitor is selected from phenol, pentachlorophenol, copper 8-quinolinolate or sulfuric acid
One kind or at least two combination in copper.
On the other hand, the present invention provides a kind of preparation method of above-mentioned ultralight clay, includes the following steps：
(1) by the water of formula ratio, glutaraldehyde and optionally mould inhibitor mixing, the first mixed material is obtained；
(2) first mixed material with the foam powder of formula ratio is mixed, obtains the second mixed material；
(3) second mixed material with the rubber powder of formula ratio is mixed, obtains the ultralight clay.
As the preferred technical solution of the present invention, mixing is carried out in mixer described in step (1)-step (3).
Preferably, the stir speed (S.S.) of mixer described in step (1) is 200-500r/min, such as can be 200r/
Min, 250r/min, 300r/min, 350r/min, 400r/min, 450r/min or 500r/min etc.；The time of the mixing is
5-10min, for example, can be 5min, 5.5min, 6min, 6.5min, 7min, 7.5min, 8min, 8.5min, 9min,
9.5min or 10min etc..
Preferably, the stir speed (S.S.) of mixer described in step (2) is 200-500r/min, such as can be 200r/
Min, 250r/min, 300r/min, 350r/min, 400r/min, 450r/min or 500r/min etc.；The time of the mixing is
5-10min, for example, can be 5min, 5.5min, 6min, 6.5min, 7min, 7.5min, 8min, 8.5min, 9min,
9.5min or 10min etc..
Preferably, the stir speed (S.S.) of mixer described in step (3) is 200-500r/min, such as can be 200r/
Min, 250r/min, 300r/min, 350r/min, 400r/min, 450r/min or 500r/min etc.；The time of the mixing is
30-60min, for example, can be 30min, 32min, 35min, 38min, 40min, 42min, 45min, 48min, 50min,
52min, 55min, 58min or 60min etc..
As the preferred technical solution of the present invention, the preparation method includes the following steps：
(1) by the water of formula ratio, glutaraldehyde and optionally in mould inhibitor addition mixer, in stirring for 200-500r/min
It mixes and mixes 5-10min under rate, obtain the first mixed material；
(2) foam powder of formula ratio is added in into the mixer, with first mixed material in 200-500r/min
Speed of agitator under mix 5-10min, obtain the second mixed material；
(3) rubber powder of the addition formula ratio into the mixer is continued, with second mixed material in 200-500r/
30-60min is mixed under the speed of agitator of min, obtains the ultralight clay.
Compared with prior art, the invention has the advantages that：
The present invention replaces traditional boric acid or borax using glutaraldehyde, and the ultralight clay being prepared is nontoxic, environmentally friendly, and has
There are better agglomerating stability, density 0.25-0.3g/cm3。
By adding in mould inhibitor, ultralight clay provided by the invention can be made to preserve 5 years and never degenerate under air-proof condition
It is mouldy.
Specific embodiment
The technical solution further illustrated the present invention below by specific embodiment.Those skilled in the art should be bright
, the embodiment be only to aid in understand the present invention, be not construed as to the present invention concrete restriction.
Embodiment 1
A kind of ultralight clay, by mass percentage, preparing raw material includes：
Wherein, the number-average molecular weight of polyvinyl alcohol is 2000.
The preparation method of above-mentioned ultralight clay includes the following steps：
(1) water of formula ratio and glutaraldehyde are added in mixer, 5min are mixed under the stir speed (S.S.) of 200r/min,
Obtain the first mixed material；
(2) foam powder of formula ratio is added in into above-mentioned mixer, with above-mentioned first mixed material stirring in 200r/min
10min is mixed under mix rotating speed, obtains the second mixed material；
(3) rubber powder stated and formula ratio is added in mixer 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 with better
Agglomerating stability, density 0.27g/cm3。
Embodiment 2
A kind of ultralight clay, by mass percentage, preparing raw material includes：
Wherein, the number-average molecular weight of polyvinyl alcohol is 5000.
The preparation method of above-mentioned ultralight clay includes the following steps：
(1) water of formula ratio and glutaraldehyde are added in mixer, 10min are mixed under the stir speed (S.S.) of 300r/min,
Obtain the first mixed material；
(2) foam powder of formula ratio is added in into above-mentioned mixer, with above-mentioned first mixed material stirring in 300r/min
5min is mixed under mix rotating speed, obtains the second mixed material；
(3) rubber powder stated and formula ratio is added in mixer 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 with better
Agglomerating stability, density 0.3g/cm3。
Embodiment 3
A kind of ultralight clay, by mass percentage, preparing raw material includes：
Wherein, the number-average molecular weight of polyvinyl alcohol is 2500.
The preparation method of above-mentioned ultralight clay includes the following steps：
(1) water, glutaraldehyde and mould inhibitor of formula ratio are added in mixer, is mixed under the stir speed (S.S.) of 350r/min
8min obtains the first mixed material；
(2) foam powder of formula ratio is added in into above-mentioned mixer, with above-mentioned first mixed material stirring in 350r/min
10min is mixed under mix rotating speed, obtains the second mixed material；
(3) rubber powder stated and formula ratio is added in mixer 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 into
Group's stability, density 0.25g/cm3, Storage period reaches 5 years under air-proof condition.
Embodiment 4
A kind of ultralight clay, by mass percentage, preparing raw material includes：
Wherein, the number-average molecular weight of polyvinyl alcohol is 3000.
The preparation method of above-mentioned ultralight clay includes the following steps：
(1) water, glutaraldehyde and mould inhibitor of formula ratio are added in mixer, is mixed under the stir speed (S.S.) of 400r/min
6min obtains the first mixed material；
(2) foam powder of formula ratio is added in into above-mentioned mixer, with above-mentioned first mixed material stirring in 400r/min
8min is mixed under mix rotating speed, obtains the second mixed material；
(3) rubber powder stated and formula ratio is added in mixer 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 into
Group's stability, density 0.28g/cm3, Storage period reaches 5 years under air-proof condition.
Embodiment 5
A kind of ultralight clay, by mass percentage, preparing raw material includes：
Wherein, the number-average molecular weight of polyvinyl alcohol is 4000.
The preparation method of above-mentioned ultralight clay includes the following steps：
(1) water, glutaraldehyde and mould inhibitor of formula ratio are added in mixer, is mixed under the stir speed (S.S.) of 450r/min
7min obtains the first mixed material；
(2) foam powder of formula ratio is added in into above-mentioned mixer, with above-mentioned first mixed material stirring in 450r/min
6min is mixed under mix rotating speed, obtains the second mixed material；
(3) rubber powder stated and formula ratio is added in mixer 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 into
Group's stability, density 0.27g/cm3, Storage period reaches 5 years under air-proof condition.
Embodiment 6
A kind of ultralight clay, by mass percentage, preparing raw material includes：
Wherein, the number-average molecular weight of polyvinyl alcohol is 3000.
The preparation method of above-mentioned ultralight clay includes the following steps：
(1) water, glutaraldehyde and mould inhibitor of formula ratio are added in mixer, is mixed under the stir speed (S.S.) of 500r/min
5min obtains the first mixed material；
(2) foam powder of formula ratio is added in into above-mentioned mixer, with above-mentioned first mixed material stirring in 500r/min
5min is mixed under mix rotating speed, obtains the second mixed material；
(3) rubber powder stated and formula ratio is added in mixer 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 into
Group's stability, density 0.26g/cm3, Storage period reaches 5 years under air-proof condition.
Applicant states, the foregoing is merely the specific embodiment of the present invention, but protection scope of the present invention not office
It is limited to this, person of ordinary skill in the field is it will be clearly understood that any belong to those skilled in the art and taken off in the present invention
In the technical scope of dew, the change or replacement that can readily occur in are all fallen within protection scope of the present invention and the open scope.
Claims (10)
1. a kind of ultralight clay, which is characterized in that by mass percentage, the ultralight clay includes the following raw material component：
2. ultralight clay according to claim 1, which is characterized in that by mass percentage, the ultralight clay includes
The following raw material component：
3. ultralight clay according to claim 1 or 2, which is characterized in that by mass percentage, the ultralight clay
Raw material components further include the mould inhibitor of 0.4-0.8%.
4. according to the ultralight clay of claim 1-3 any one of them, which is characterized in that the rubber powder is polyvinyl alcohol.
5. ultralight clay according to claim 4, which is characterized in that the number-average molecular weight of the polyvinyl alcohol is 2000-
5000。
6. according to the ultralight clay of claim 1-5 any one of them, which is characterized in that the foam powder is hollow microsphere.
7. according to the ultralight clay of claim 2-6 any one of them, which is characterized in that the mould inhibitor is selected from phenol, pentachloro-
One kind or at least two combination in phenol, copper 8-quinolinolate or copper sulphate.
8. according to the preparation method of the ultralight clay of claim 1-7 any one of them, which is characterized in that the preparation method bag
Include following steps：
(1) by the water of formula ratio, glutaraldehyde and optionally mould inhibitor mixing, the first mixed material is obtained；
(2) first mixed material with the foam powder of formula ratio is mixed, obtains the second mixed material；
(3) second mixed material with the rubber powder of formula ratio is mixed, obtains the ultralight clay.
9. preparation method according to claim 8, which is characterized in that mixing described in step (1)-step (3) is mixed
It is carried out in conjunction machine；
Preferably, the stir speed (S.S.) mixed described in step (1) is 200-500r/min；The time of the mixing is 5-10min；
Preferably, the stir speed (S.S.) mixed described in step (2) is 200-500r/min；The time of the mixing is 5-10min；
Preferably, the stir speed (S.S.) mixed described in step (3) is 200-500r/min；The time of the mixing is 30-
60min。
10. preparation method according to claim 8 or claim 9, which is characterized in that the preparation method includes the following steps：
(1) by the water of formula ratio, glutaraldehyde and optionally in mould inhibitor addition mixer, in the stir speed (S.S.) of 200-500r/min
Lower mixing 5-10min, obtains the first mixed material；
(2) foam powder of formula ratio is added in into the mixer, with the first mixed material stirring in 200-500r/min
5-10min is mixed under mix rotating speed, obtains the second mixed material；
(3) rubber powder of the addition formula ratio into the mixer is continued, with second mixed material 200-500r/min's
30-60min is mixed under speed of agitator, obtains the ultralight clay.
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| CN201711392358.3A CN108102266A (en) | 2017-12-21 | 2017-12-21 | A kind of ultralight clay and preparation method thereof |
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| CN109265887A (en) * | 2018-08-29 | 2019-01-25 | 广州瑞莉格文化发展有限公司 | A kind of ultralight clay and preparation method thereof |
| CN110606985A (en) * | 2019-08-22 | 2019-12-24 | 临沂市博士爱文具有限公司 | Preparation process of child safety light clay with antibacterial function |
| 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 |
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