CN1676543A - Clay and producing method and product - Google Patents
Clay and producing method and product Download PDFInfo
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- CN1676543A CN1676543A CN 200510060062 CN200510060062A CN1676543A CN 1676543 A CN1676543 A CN 1676543A CN 200510060062 CN200510060062 CN 200510060062 CN 200510060062 A CN200510060062 A CN 200510060062A CN 1676543 A CN1676543 A CN 1676543A
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Abstract
The present invention relates to the production of hardly broken clay having high transparency, excellent texture, operation efficiency and moldability and high flexibility after drying. The clay is composed of a resin and is obtained by including silica, a cellulose ether and polyvinylpyrrolidone in an ethylene-vinyl acetate copolymer.
Description
Technical field
The present invention relates generally to the resin clay that handicraft is used, and it is high particularly to relate to the transparency, texture, operability, formability excellence, and dried flexibility height, the not fabrication of the clay of frangibility and manufacture method thereof and this clay of use.
Background technology
In the past, the clay of using for handicraft required the texture of excellence, the good high flexibility of operability and dry back.
That is, produce the good impression of outward appearance, have sense of touch and well wait the clay of excellent texture that the range of application on works are made is enlarged, stimulated the creation desire simultaneously.In addition, the clay that possesses excellent operability is made the higher goods of degree of freedom becomes possibility, also handles easily for the tyro.In addition, the works after the clay that has high flexibility after the drying makes and finishes are frangibility not, can prevent breakage, the deterioration of works.
But the clay that manufacturing will be satisfied these requirements fully is difficult, has carried out various researchs so far, has proposed various technical schemes.
For example, patent documentation 1 is for being imbued with formative nature, and adhering on hand, platform is few, the skin exquisiteness after the moulding, and the colour of skin is not only white but also soft, and the technology of moulding discloses with clay easily.
In addition, patent documentation 2 is for preventing fractureing easily after the moulding, easy deformation etc., and the water tolerance excellence can be preserved for a long time, and the light clay also excellent for the weather resistance of dried distortion discloses.
On the other hand,,, the range of application on works are made is enlarged, therefore wish its realization if can give the transparency as the texture of clay.
But, make clay possess the transparency and give operability, dried flexibility difficulty especially, still fail to realize.
Therefore, as the invention of attempting giving the clay transparency, can enumerate patent documentation 3.According to the invention of this patent documentation 3 records, can make and have transparent feel, ductility, solid and light weight is difficult for adhering to fingerprint, shrinks few clay.
Patent documentation 1: the spy opens flat 9-202659 communique
Patent documentation 2: the spy opens flat 11-209156 communique
Patent documentation 3: the spy opens the 2001-188465 communique
Summary of the invention
But the invention of patent documentation 3 records makes technology have transparent feel with starting material, and the color of starting material self is turned white.
That is, the prior art does not have to realize having the clay of high transparent, makes clay by using sheet chestnut powder, is to make the white clay with transparent feel, and when using as the clay with transparency, its transparency is insufficient.
Inventors of the present invention are in order to realize giving this clay transparency, carried out research with keen determination all the year round, its result achieves success in the following areas: give high transparent by adding silicon-dioxide manufacturing clay, add ether of cellulose and complementary the polyvinylpyrrolidone that adds simultaneously, improved operability, the flexibility of significantly reduced clay, thereby finished the present invention owing to add this silicon-dioxide.
The present invention is to provide clay and manufacture method thereof and to use the fabrication of this clay to be purpose, this clay is by cooperating silicon-dioxide, ether of cellulose, polyvinylpyrrolidone in ethylene-vinyl acetate copolymer, the transparency is high, texture, operability, formability excellence, and realized dried high flexibility.
The clay of clay of the present invention for being made of resin is characterized in that: make ethylene-vinyl acetate copolymer contain silicon-dioxide, ether of cellulose and polyvinylpyrrolidone.
If make clay have this composition, can make with the ethylene-vinyl acetate copolymer is that the clay of main component is given the transparency that silicon-dioxide produces.But if mixed silica, because the high liquid-absorbing that silicon-dioxide has, the texture of clay, operability, dried flexibility etc. significantly reduce.That is, moisture etc. are absorbed by silicon-dioxide, and the viscosity of clay reduces significantly, become material at random.
Even also can't solve as tackifier because the decline of the clay property that silicon-dioxide produces fully contains ether of cellulose.Therefore, clay of the present invention has solved this problem by further containing polyvinylpyrrolidone.
Promptly, according to the present invention, by containing silicon-dioxide, can give the clay high transparent, simultaneously except ether of cellulose as the tackifier, contain polyvinylpyrrolidone complementaryly, under the situation of not damaging the flexibility that ethylene-vinyl acetate copolymer has, provide also excellent clay such as texture, operability.
In addition, clay of the present invention preferably contains ethylene-vinyl acetate copolymer water-based emulsion, polyvinyl alcohol, dibutyl phthalate, tensio-active agent, propylene glycol, Antisepticize and mildew preventive, whiteruss, ether of cellulose, polyvinylpyrrolidone and silicon-dioxide.
If make clay of the present invention become above-mentioned composition, it is more excellent to become texture, operability and dried flexibility, and the high clay of the transparency.
In addition, clay of the present invention also preferably makes and further contains ethylene-vinyl acetate copolymer toner, carboxymethyl cellulose and chemical starch in this clay that contains ethylene-vinyl acetate copolymer water-based emulsion, polyvinyl alcohol, dibutyl phthalate, tensio-active agent, propylene glycol, Antisepticize and mildew preventive, whiteruss, ether of cellulose, polyvinylpyrrolidone and silicon-dioxide and form.As this chemical starch, can use for example Alpha-starch etc.
Even make clay of the present invention become this composition, also can give the clay high transparent, can become clay simultaneously with excellent texture, operability, dried flexibility.
In addition, the manufacture method of clay of the present invention is the manufacture method of the clay that is made of resin, it is characterized in that: mixed silica, ether of cellulose and polyvinylpyrrolidone and stir in ethylene-vinyl acetate copolymer.
It is high to make the transparency like this, and texture, operability, dried flexibility are not had hurtful clay.
In addition, the manufacture method of clay of the present invention preferably when the starting material of mixed clay, is added silicon-dioxide at last.
Do like this is because distinguish the manufacturing time that can shorten clay on experience.
In addition, fabrication of the present invention is characterized in that: state the surface coated acrylic resin emulsion of the fabrication that clay makes or Nitrocellulose resin emulsion in the use and form.
Become like this by the fabrication that uses clay of the present invention to make, can further improve the transparency of clay, can make fabrication with high transparency.
That is, use clay of the present invention to make product dried after, by being coated with these emulsions, can suppress the scattering of light of surface of clay, can further improve the transparency of clay.Say nothing of, transparent because these emulsions do not make opaque clay become, even, can not obtain the effect that the transparency is improved therefore be coated with these emulsions on the opaque clay in the past.
As this acrylic resin emulsion or Nitrocellulose resin emulsion, preferably have and the more approaching specific refractory power of refractive index ratio that has as the silicon-dioxide of clay component of the present invention.Like this, its effect is improved.
In addition, also preferably make fabrication of the present invention in above-mentioned fabrication, possess light-emitting device.
If use fabrication that clay of the present invention makes like this, clay of the present invention has than the high transparency of clay in the past, therefore can become the fabrication that can appreciate the appearance that light emits by clay.In addition, with the fabrication that in the fabrication that has used glass, possesses light-emitting device equally relatively, the fabrication that clay of the present invention constitutes is lower, too not bright than the transparency with glassy phase, can become the fabrication of emitting appropriateness, soft light.
Therefore, the visual effect that the clay fabrication does not have so far can be given, the creation possibility that makes new advances can be produced.
According to the present invention, can in the clay that with the ethylene-vinyl acetate copolymer is main component, give the transparency that silicon-dioxide produces, simultaneously by using ether of cellulose, polyvinylpyrrolidone, can prevent the reduction of the texture, operability, dried flexibility etc. of the clay that it causes.Therefore,, become opaque material, and according to the present invention even clay in the past extends thinly and just almost do not have transparently, can the realization transparency height, and texture, operability, formability excellence, dried flexibility height, the not clay of frangibility.
In addition, according to the manufacture method of clay of the present invention, it is high to make the transparency, and the clay that do not suffer damage of texture, operability, dried flexibility.
In addition,, can suppress the scattering of light of surface of clay, the transparency of clay is improved by coating acrylic resin emulsion or Nitrocellulose resin emulsion on the surface of the fabrication that uses clay of the present invention to make.
Description of drawings
Fig. 1 represents the gradation composition in the clay of the embodiment of the invention 1.
Fig. 2 represents seeing through and reflection spectrum of test portion 1-1 (clay in the past).
Fig. 3 represents seeing through and reflection spectrum of test portion 1-2 (clay in the past+last coating).
Fig. 4 represents seeing through and reflection spectrum of test portion 2-1 (clay of embodiment 1).
Fig. 5 represents seeing through and reflection spectrum of test portion 2-2 (clay of embodiment 1+last coating).
Fig. 6 represents the average transmittances of each test portion after the revisal of visible-range.
Fig. 7 represents the gradation composition in the clay of the embodiment of the invention 2.
Fig. 8 represents the example that possesses the fabrication of light-emitting device of the present invention.
Embodiment
Below embodiments of the present invention are specifically described.
As clay composition of the present invention, can use tackiness agent shown below, weighting agent, tackifier, additive, softening agent, tensio-active agent, Antisepticize and mildew preventive etc.
(tackiness agent)
Tackiness agent is the principal constituent of clay of the present invention, is the material of the physical strength that realizes resin clay, solidified nature, tackiness etc.
As this tackiness agent, can use for example vinyl esters resin, acrylic resin, polyvinyl alcohol etc. such as vinyl acetate between to for plastic esters resin.
As the vinyl esters resin, for example can use ethylene-vinyl acetate copolymer, polyvinyl acetate (PVA), poly-modified ethylene acetate, vinyl acetate-acrylic copolymer, vinyl acetate-acrylate multipolymer, vinyl acetate-Sipacril 2739OF, vinyl acetate-alkylmethacrylate polymer, vinyl acetate-acrylamide copolymer etc.
As acrylic resin, can use for example alkylmethacrylate polymers such as acrylate copolymers such as polyacrylic ester, polymethacrylate, polyacrylamide, acrylic styrene copolymer, methacrylic ester-styrol copolymer, acrylamide copolymer etc.
Particularly ethylene-vinyl acetate copolymer also has high flexibility after drying, can make not frangibility of dried clay by using as tackiness agent, and is therefore preferred.
In addition, polyvinyl alcohol is the tackiness agent that can make the viscosity raising of clay.As this polyvinyl alcohol, preferably use partly-hydrolysed type polyvinyl alcohol, be preferably used as the ancillary component of tackiness agent.
(weighting agent)
Weighting agent is a composition of giving the various character of clay.In the present invention, as weighting agent, by in clay, cooperating silicon-dioxide, achieve success aspect the clay transparency giving.
In addition,, preferably use highly purified silicon dioxide microparticle, for example, preferably use synthetic silicas such as ultramicron shape anhydride silica powder in order to make its transparency excellent.
In addition, also can use chemical starch etc. as weighting agent.By using chemical starch, can give clay anti-contractive effect.
(tackifier)
Tackifier are the composition of giving clay viscosity of the present invention, can use for example derivatived cellulose, acrylic acid derivative, V-Pyrol RC derivative etc.
As derivatived cellulose, can use for example water-soluble cellulose ether, carboxymethyl cellulose etc.
As acrylic acid derivative, can use for example polyacrylamide etc.
As the V-Pyrol RC derivative, can use for example polyvinylpyrrolidone homopolymer, V-Pyrol RC-vinyl acetate copolymer, V-Pyrol RC-vinyl alcohol copolymer, V-Pyrol RC-eicosylene multipolymer, V-Pyrol RC-cetene multipolymer, V-Pyrol RC-styrol copolymer, V-Pyrol RC-ethylhexyl multipolymer etc.
Especially, in the present invention, contain polyvinylpyrrolidone as tackifier.
As mentioned above, give the composition of the silicon-dioxide of the clay transparency as clay if mix, because the high liquid-absorbing that silicon-dioxide has, the texture of clay, operability, dried flexibility etc. significantly reduce.
The character of the clay that this silicon-dioxide produces reduces, and only adds ether of cellulose and can not thoroughly solve as tackifier, can not eliminate the problem such as at random of clay.
The present invention achieves success aspect the clay property reduction that cooperates polyvinylpyrrolidone prevent that this silicon-dioxide from producing in clay.
(additive)
Additive is to be used to strengthen, improve the character of clay and the composition that cooperates, can add various materials according to the purposes of clay.As this additive, for example can using, oil such as derivatived celluloses such as chemical starch, carboxymethyl cellulose, whiteruss such as Alpha-starch are polyvalent alcohols such as lubricating oil, propylene glycol etc.
Chemical starch is given the tackify auxiliaring effect of the viscosity raising that makes clay, and gives clay anti-contractive effect.Carboxymethyl cellulose is given the clay snappiness, and its operability is improved.Whiteruss gives the clay flowability, suppresses being clamminess of clay.Propylene glycol is given clay flowability and water-retentivity, and its operability is improved.
In addition, can also use alginate derivatives such as sodiun alginate as additive.
(softening agent)
Softening agent is a composition of giving clay flexibility of the present invention, can use for example phthalate, adipic acid ester class etc. such as dibutyl phthalate.
(tensio-active agent)
Tensio-active agent is to have the surface tension that reduces liquid, reduces between liquid simultaneously, the composition of the effect of interfacial tension between liquid and solid, and the mixed effect of each composition of clay is improved.
As this tensio-active agent, can use for example nonionic class tensio-active agent, anionic species tensio-active agent, cationic tensio-active agent etc.
(Antisepticize and mildew preventive)
Antisepticize and mildew preventive is a composition of giving clay preservative effect of the present invention and anti-mold effect.As this Antisepticize and mildew preventive, can use the Antisepticize and mildew preventive of for example organic NS halogen etc., if for having security, can obtain the material of abundant anticorrosion anti-mold effect, then be not particularly limited.
In addition, clay of the present invention can also cooperate other various compositions as required if make ethylene-vinyl acetate copolymer mixed silica, ether of cellulose, polyvinylpyrrolidone and form.
In addition, as the various compositions in the clay of the present invention, preferably use the material of specific refractory power and silicon-dioxide same degree.
(manufacture method)
Below, the manufacture method of clay of the present invention is described.
The manufacture method of clay of the present invention is if by adding silicon-dioxide, ether of cellulose and polyvinylpyrrolidone in ethylene-vinyl acetate copolymer, can make the high and method of the clay of frangibility not of the transparency, then be not particularly limited, be preferably method shown below.
At first, in kneader, with the ratio of regulation, inject tensio-active agent, additive, Antisepticize and mildew preventive and other various compositions (starting material) as required, begin stirring with the capacity fit ground of kneader and ethylene-vinyl acetate copolymer as tackiness agent.
Then, while stirring with the each a small amount of essential various compositions that add of regulation ratio, add simultaneously water-soluble cellulose ether as tackifier, polyvinylpyrrolidone in turn, as the silicon-dioxide of weighting agent, mediate fully, finish high, the not preparation of the clay of frangibility of the transparency of the present invention.
Particularly after fully dissolving in water-soluble cellulose ether, dissolve in polyvinylpyrrolidone fully, mixed silica can be made more high-quality clay as weighting agent fully then.
In addition, when carrying out this stirring, the preferred contrary rotation of stirring rake that makes kneader halfway with specific time.Like this, clay is mixed.
More preferably before making the contrary rotation of stirring rake kneader was stopped, the kneader inner wall section is cleaned, the starting material that dissolving is residual etc. are removed.Can prepare enough homogeneous, the good clay of texture like this.
Then, rerum naturas such as the proterties of kneaded clay, hardness are confirmed, made to make and finish.
Then, use the clay of making like this, make fabrication.
Then, after the fabrication drying of making, be coated with thinly on the surface of this fabrication acrylic resin emulsion or Nitrocellulose resin emulsion as on paint (on be coated with thing).
Like this, the scattering of light of surface of clay of the present invention can be suppressed, the high transparency can be obtained.
As the condition that is used for the resin of paint on this, can enumerate the flexibility of not damaging clay (having the flexible flexibility that can fully follow clay), do not damage clay the transparency (film and have high-clarity) and with the adhesion strength of clay fully (being not easy to peel off).
And then preferably in the fabrication of making like this, possesses light-emitting device.
Fig. 8 represents the example of the fabrication of making like this, makes crop 20 for carrying on the top of base station 10, and the formation of light-emitting device 30 is set in the inside of base station 10.Here, base station 10 usefulness opaque materials form.Clay of the present invention possesses high transparent, and is therefore as shown in the drawing, if possess light-emitting device 30 in fabrication 20 of the present invention, can appreciate the appearance that light is emitted to the outside from fabrication 20.
In addition, the fabrication that is made of clay of the present invention can suitably be adjusted its transparency by adjusting the components in proportions that cooperates, supreme paint etc. being arranged.Therefore, also can be at all or a part of light intensities of emitting of at random adjusting of fabrication from fabrication 20.
In addition, if compare with the fabrication that on the fabrication that has used glass, possesses light-emitting device equally, the fabrication and the glassy phase reduced transparency that are made of clay of the present invention are low, and be too not bright, therefore can become the fabrication of emitting appropriateness, having the light of soft property.
Therefore, can give the visual effect that the clay fabrication does not have so far, the possibility of new creation can be provided in the field of clay fabrication.
As light-emitting device 30, can use for example to have the device of photodiode as light source.At this moment, as light source, the preferred matched light source of specific refractory power that has of its light wavelength and clay material (particularly silicon-dioxide).In addition, also can use halogen lamp, sodium vapor lamp etc. as light source.
Embodiment
(embodiment 1)
(1) making of the manufacturing of clay and fabrication
Followingly embodiments of the invention 1 are described with reference to Fig. 1.The figure shows the gradation composition in the clay of embodiments of the invention 1.
In present embodiment 1, add the gradation composition of this figure by numeric order among this figure, make high, the clay of frangibility not of the transparency of the present invention.Present embodiment 1 and embodiment 2 shown below relatively by gradation composition still less, have realized having high transparent and for other character also clay of excellent quality.
Specifically, at first, in turn with ethylene-vinyl acetate copolymer water-based emulsion 1107.00[g] (54.0[weight %]), partly-hydrolysed type polyvinyl alcohol 400.00[g] (19.6[weight %]), dibutyl phthalate 10.48[g] (0.5[weight %]), nonionic class tensio-active agent 7.28[g] (0.4[weight %]), propylene glycol 88.32[g] (4.3[weight %]), Antisepticize and mildew preventive 13.08[g] (0.6[weight %]), whiteruss 101.16[g] (5.0[weight %]) inject kneader, begin to stir.
At this moment, use (Warner) type kneader (capacity 3L, Satake Chemical Equipment Mfg., Ltd.) of reporting to the police as kneader.
Then, add water-soluble cellulose ether 100.00[g on a small quantity in turn at every turn] (4.9[weight %]), polyvinylpyrrolidone homopolymer 15.00[g] (0.7[weight %]), stir.
This stirring was carried out 30 minutes.In addition, kneader was stopped, kneader being cleaned with rag, brush etc.Then,, stirring rake is rotated counterclockwise, stirred 5 minutes remaining in residual the removing of raw-material dissolving of kneader inwall.Then, make the rotation of stirring rake clockwise direction once more, mediate.This stirring that is rotated counterclockwise of 5 minutes can also can be carried out halfway the carrying out at last of this churning time.
Each more a small amount of ultramicron shape anhydride silica powder 205.00[g that adds] (10.0[weight %]), stir.
This stirring was carried out 20 minutes.In addition, the stirring rake of kneader was rotated counterclockwise, was stirring 5 minutes, similarly carry out the washing of kneader inwall with above-mentioned situation this moment.
Then, rerum naturas such as the proterties of kneaded clay, hardness are confirmed, made to make and finish.
Here, the cooperation ratio of clay component of the present invention is not limited to above-mentioned value, is preferably for example value of following scope.
Ethylene-vinyl acetate copolymer preferably cooperates 40.0-80.0 weight % in clay of the present invention.If the cooperation ratio that makes ethylene-vinyl acetate copolymer is in this scope, not only the physical strength that can keep clay is at high level, and brings into play other more fully and fit in the effect that branch produces.In addition, from this viewpoint, more preferably making the cooperation ratio is 45.0-75.0 weight %, more preferably 50.2-67.1 weight %.
Silicon-dioxide preferably cooperates 8.0-12.5 weight % in clay of the present invention.If the cooperation ratio that makes silicon-dioxide can be given the clay high transparent in this scope, and make texture, operability, the flexibility of clay more abundant.In addition, from this viewpoint, more preferably making the cooperation ratio is 9.0-11.5 weight %, more preferably 9.8-10.7 weight %.
Polyvinylpyrrolidone preferably cooperates 0.1-1.2 weight % in clay of the present invention.If the cooperation ratio that makes polyvinylpyrrolidone in this scope, can more substantially improve the reduction of the character of the clay that silicon-dioxide produces, can more effectively get rid of easily reduction simultaneously attached to the operability that waits on hand.In addition, from this viewpoint, more preferably making the cooperation ratio is 0.4-0.9 weight %, more preferably 0.6-0.7 weight %.
In addition, preferably distinguish mating part saponification type polyvinyl alcohol 19.6-21.5 weight %, dibutyl phthalate 0.5-1.0 weight %, nonionic class tensio-active agent 0.3-0.4 weight %, propylene glycol 3.7-5.3 weight %, Antisepticize and mildew preventive 0.4-0.6 weight %, whiteruss 4.6-6.7 weight %, water-soluble cellulose ether 4.6-5.3 weight %.
Above-mentioned cooperation ratio is best when stating each composition in the use and making clay, when gradation composition not simultaneously, sometimes because the synergy of each composition makes aforementioned proportion for best.That is, the cooperation ratio of each composition changes because of the difference of the kind of gradation composition sometimes in the clay of the present invention.
For example, in embodiment shown below 2, it is for adopting more gradation composition, makes high, the example of the clay of frangibility not of the transparency, for its cooperation ratio, has 1 distinct portions with embodiment.
In addition, in present embodiment 1, by use have with the silicon-dioxide specific refractory power near the composition of specific refractory power, the transparency is improved.That is, in the clay component of present embodiment 1, the specific refractory power of silicon-dioxide is 1.457, and the specific refractory power of ethylene-vinyl acetate copolymer, partly-hydrolysed type polyvinyl alcohol, water-soluble cellulose ether, whiteruss, propylene glycol is in the scope of 1.43-1.55.
At last, use the clay that makes to make fabrication, dry back is coated with acrylic resin emulsion on the surface of this fabrication.As this acrylic resin emulsion, use the modified acroleic acid resin emulsion.The specific refractory power of this modified acroleic acid resin emulsion is 1.49, and is nearer with the specific refractory power of silicon-dioxide.
(2) the character evaluation of clay and fabrication
[evaluation of the transparency]
Adopt the transparency of the fabrication of clay that following method makes present embodiment 1 and making to measure, estimate.This mensuration is undertaken by the beautiful Zhu Shi in east commercial firm research centre.
(raw material)
Is test portion with elongation for following 4 clay of thick 1mm.
1-1: clay in the past
1-2: clay in the past+last coating (modified acroleic acid resin emulsion)
The clay of 2-1: embodiment 1
The clay of 2-2: embodiment 1+last coating (modified acroleic acid resin emulsion)
(device)
Determinator: UV-3101PC type spectrophotometer (Shimadzu Seisakusho Ltd. of Zhu Shi commercial firm system)
The wide 7.5nm of slit
Slit programme routine/fixing
Finding speed slow (about 4 point/seconds)
Light source halogen lamp (more than the 340nm)
Detector PMT (860nm is following)
Secondary blank BaSO
4
Input angle 0 ° of (seeing through), 8 ° (reflection)
Auxiliary equipment: large-scale test portion chamber (60 φ)
Data processing equipment (COMPAQ (R) DESKPRO (R)/PC98 (R) 01)
(measuring method)
Use the said determination device, that measures above-mentioned test portion sees through spectrum and reflection spectrum, and the specific absorption of the light that produces by the revisal test portion is calculated the transmitance of each test portion.At this moment, the transmitance that is designated as Tc, observation with the transmitance of revisal is designated as To, reflectivity is designated as Ro, calculates according to following formula.
Tc＝To/Ro×100
(result)
With Fig. 2-Fig. 6 that the results are shown in that obtains as mentioned above.Fig. 2-Fig. 5 represents seeing through and reflection spectrum of test portion 1-1 (clay in the past), test portion 1-2 (clay in the past+last coating), test portion 2-1 (clay of embodiment 1), test portion 2-2 (clay of embodiment 1+last coating) respectively.In addition, Fig. 6 is illustrated in the average transmittances (%) after each test portion revisal of visible-range (380nm-780nm).
Comparison diagram 2 and Fig. 3, Fig. 4 and Fig. 5 can see that the clay of embodiment 1 compares with clay in the past, and transmitance significantly increases, and reflectivity reduces significantly.In addition, comparison diagram 4 and Fig. 5 can see that reflectivity is inhibited by being coated with coating on the clay of embodiment 1, and transmitance improves.
In addition, as shown in Figure 6, average transmittances (380nm-780nm) is 76.53% after the clay revisal of embodiment 1, what be coated with coating on the clay of embodiment 1 is 84.93%, by being 50.73% and being 55.31% relatively, can see that its transmitance is obviously high what be coated with coating on the clay in the past with in the past clay.
That is, confirm to have the excellent transparency by the clay that embodiment 1 makes.In addition, the fabrication that has been coated with acrylic resin emulsion on the surface of the fabrication that has used this clay to make has a more excellent transparency.
[evaluations of other character]
In addition, the clay of being made by embodiment 1 has the toughness of appropriateness not too firmly only in soft, has good texture and excellent operation, formability.
In addition, the clay of being made by embodiment 1 still has excellent flexibility after drying, even will be elongated to thick 1mm left and right sides exsiccant 1 * 1cm
2Clay warpage 90 degree more than, do not fracture yet.For the fabrication of the clay that is coated with on having implemented, equally with about thick 1mm, 1 * 1cm
2Clay warpage 90 degree more than, do not fracture yet.
Can confirm that from above the clay of being made by embodiment 1 has high transparent, texture, operability, formability excellence, and dried flexibility height.And confirm that by being coated with, its transparency is improved, flexibility is not infringement also on enforcement afore mentioned rules on the fabrication that uses this clay to make.
(embodiment 2)
(1) making of the manufacturing of clay and fabrication
Describe for the variation of clay of the present invention with reference to Fig. 7.The figure shows the gradation composition of the clay of embodiments of the invention 2.
Present embodiment 2 compares with embodiment 1, even when using more gradation composition, also can make no less than the clay of the clay of embodiment 1 manufacturing.It is generally acknowledged that if gradation composition increases, the composition that specific refractory power is different increases, so the transparency of clay reduces.
But, in present embodiment 2, except the gradation composition of embodiment 1,, also can make high, the clay of frangibility not of the transparency even used ethylene-vinyl acetate copolymer toner, chemical starch, carboxymethyl cellulose.Like this, can give clay with the gradation composition effect separately of appending.
Specifically, at first, in turn with ethylene-vinyl acetate copolymer water-based emulsion 1360.00[g] (62.1[weight %]), partly-hydrolysed type polyvinyl alcohol 180.00[g] (8.2[weight %]), nonionic class tensio-active agent 7.80[g] (0.3[weight %]), propylene glycol 88.32[g] (4.0[weight %]), Antisepticize and mildew preventive 13.08[g] (0.6[weight %]), whiteruss 105.38[g] (4.8[weight %]) inject kneader, begin to stir.
Then, the each a small amount of ethylene-vinyl acetate copolymer toner 70.00[g that adds of spoon spoon is used on the limit] (3.2[weight %]), stirred 10 minutes on the limit.
And then add carboxymethyl cellulose 10.00[g on a small quantity in turn at every turn] (0.5[weight %]), Alpha-starch 110.00[g] (5.0[weight %]), dibutyl phthalate 20.96[g] (1.0[weight %]), water-soluble cellulose ether 110.00[g] (5.0[weight %]), polyvinylpyrrolidone homopolymer 15.00[g] (0.7[weight %]), ultramicron shape anhydride silica powder 100.00[g] (4.6[weight %]), stir.
This stirring was carried out 50 minutes.In addition, the stirring rake of kneader was rotated counterclockwise, was stirring 5 minutes.At this moment, will remain in residual the removing of raw-material dissolving of kneader inwall with rag, brush etc.
Then, rerum naturas such as the proterties of kneaded clay, hardness are confirmed, made to make and finish.
Here, in present embodiment 2, the cooperation ratio of ethylene-vinyl acetate copolymer is preferably identical with embodiment 1, but for ethylene-vinyl acetate copolymer water-based emulsion as the tackiness agent main component, the preferred 49.2-63.9 weight % that cooperates, for ethylene-vinyl acetate copolymer toner, preferably cooperate 1.0-3.2 weight % as the tackiness agent ancillary component.
In addition, in present embodiment 2, silicon-dioxide preferably cooperates 3.0-7.0 weight % in clay of the present invention.Under the situation of the gradation composition of present embodiment 2,, and make texture, operability, the flexibility of clay more abundant if the cooperation ratio that makes silicon-dioxide can be given the clay high transparent in this scope.In addition, from this viewpoint, more preferably making the cooperation ratio is 4.0-6.0 weight %, more preferably 4.6-5.4 weight %.
In addition, in present embodiment 2, the cooperation ratio of partly-hydrolysed type polyvinyl alcohol is preferably 8.2-9.0 weight %.
In addition, preferably cooperate carboxymethyl cellulose 0.1-0.5 weight %, Alpha-starch 1.0-5.0 weight % respectively.
The ratio of gradation composition for other is preferably scope similarly to Example 1.
In addition, identical with the situation of embodiment 1, the clay of use making is made fabrication, make its drying after, on the surface of this fabrication, be coated with acrylic resin emulsion, the transparency is further improved.
(2) the character evaluation of clay and fabrication
Also the situation with embodiment 1 is identical in present embodiment 2, and it is high to make the transparency, texture, operability, formability excellence and dried flexibility height, the not clay of frangibility.In addition, by the fabrication drying of using this clay to make,, can prepare and have more high transparent, softish fabrication at its surface coated acrylic resin emulsion.
The present invention suits to utilize in the manufacturing of the resin clay that handicraft is used etc.
Claims (7)
1. clay, this clay contains resin, it is characterized in that: make ethylene-vinyl acetate copolymer contain silicon-dioxide, ether of cellulose and polyvinylpyrrolidone and form.
2. the described clay of claim 1 is characterized in that: contain ethylene-vinyl acetate copolymer water-based emulsion, polyvinyl alcohol, dibutyl phthalate, tensio-active agent, propylene glycol, Antisepticize and mildew preventive, whiteruss, ether of cellulose, polyvinylpyrrolidone and silicon-dioxide and form.
3. clay is characterized in that: make the described clay of claim 2 contain ethylene-vinyl acetate copolymer toner, carboxymethyl cellulose and chemical starch and form.
4. the manufacture method of clay, it is the manufacture method of resiniferous clay, it is characterized in that: mixed silica, ether of cellulose and polyvinylpyrrolidone and stir in ethylene-vinyl acetate copolymer.
5. the manufacture method of the described clay of claim 4 is characterized in that: when mixing the starting material of described clay, add silicon-dioxide at last.
6. fabrication is characterized in that: form at the surface coated acrylic resin emulsion of the fabrication that uses the described clay of claim 1 to make or Nitrocellulose resin emulsion.
7. fabrication is characterized in that: possess light-emitting device in the described fabrication of claim 6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004102028 | 2004-03-31 | ||
| JP2004102028A JP3834576B2 (en) | 2004-03-31 | 2004-03-31 | Clay, its manufacturing method, and workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1676543A true CN1676543A (en) | 2005-10-05 |
Family
ID=35049305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510060062 Pending CN1676543A (en) | 2004-03-31 | 2005-03-31 | Clay and producing method and product |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3834576B2 (en) |
| CN (1) | CN1676543A (en) |
| TW (1) | TW200531988A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102656618A (en) * | 2010-08-19 | 2012-09-05 | 马卡砂株式会社 | Non-hardening clay composite and method for manufacturing same |
| CN115819905A (en) * | 2021-12-30 | 2023-03-21 | 义乌聚邦玩具有限公司 | High-performance degradable decompression daub |
| CN115819906A (en) * | 2021-12-30 | 2023-03-21 | 义乌聚邦玩具有限公司 | Crackling mastic composition |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006036993B3 (en) * | 2006-08-08 | 2008-02-07 | J. S. Staedtler Gmbh & Co. Kg | Moldable mass and its use |
| KR101425974B1 (en) * | 2013-05-22 | 2014-08-05 | 나주시 | Clay for handicraft and manufacturing the same |
| JP2016204507A (en) * | 2015-04-22 | 2016-12-08 | 株式会社パジコ | Clay composition and production method of clay composition |
-
2004
- 2004-03-31 JP JP2004102028A patent/JP3834576B2/en not_active Expired - Lifetime
-
2005
- 2005-03-03 TW TW94106462A patent/TW200531988A/en unknown
- 2005-03-31 CN CN 200510060062 patent/CN1676543A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102656618A (en) * | 2010-08-19 | 2012-09-05 | 马卡砂株式会社 | Non-hardening clay composite and method for manufacturing same |
| CN115819905A (en) * | 2021-12-30 | 2023-03-21 | 义乌聚邦玩具有限公司 | High-performance degradable decompression daub |
| CN115819906A (en) * | 2021-12-30 | 2023-03-21 | 义乌聚邦玩具有限公司 | Crackling mastic composition |
| CN115819906B (en) * | 2021-12-30 | 2024-05-24 | 义乌聚邦玩具有限公司 | Crispy clay composition |
| CN115819905B (en) * | 2021-12-30 | 2024-05-24 | 义乌聚邦玩具有限公司 | High-performance degradable decompression cement gum |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3834576B2 (en) | 2006-10-18 |
| JP2005281643A (en) | 2005-10-13 |
| TW200531988A (en) | 2005-10-01 |
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