CN107118459A - A kind of fast-drying type is creeped cushion material and preparation method thereof - Google Patents
A kind of fast-drying type is creeped cushion material and preparation method thereof Download PDFInfo
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- CN107118459A CN107118459A CN201710279967.1A CN201710279967A CN107118459A CN 107118459 A CN107118459 A CN 107118459A CN 201710279967 A CN201710279967 A CN 201710279967A CN 107118459 A CN107118459 A CN 107118459A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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 a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6648—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6651—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
Creeped cushion material and preparation method thereof the invention discloses a kind of fast-drying type, include 10~20 parts of 120~150 parts of PVC, 50~60 parts of PEPA, 5~10 parts of titanium dioxide, 3~6 parts of dimethylaminoethoxyethanol, 10~20 parts of medical stone powder, 20~30 parts of isocyanates, 30~50 parts of bamboo fibre and additive according to parts by weight.The fast-drying type that the present invention the is provided fast-drying type that cushion material and preparation method thereof obtained of creeping is creeped cushion material, with higher venting capability and rapid-curing cutback performance;Overcome the problem that taste is weighed that the Crawl mat using PVC as raw material is difficult to overcome originally;And the excellent venting capability of combination overcomes taste and gathers the problem of being difficult to volatilization, need not just possess excellent antibacterial effect by extra increase antibacterial additives again, with higher stability and screen resilience, the service life and comfort of Crawl mat are improved, it is safe and reliable durable.
Description
Technical field
The invention belongs to field of material technology, and in particular to a kind of fast-drying type is creeped cushion material and preparation method thereof.
Background technology
Baby crawling pad originates from Japan and Korea S, and tends to be ripe in Japan and Korea S's in the market, and the cognition degree of Chinese market is also just progressively
Formed.In general, PVC Crawl mats be with EVA or PVC as raw material and preservative film be combined Crawl mat, it is fresh-keeping
Film is used for pattern printing, or pattern is transferred on raw material, and this two Crawl mat generally has peculiar smell difficulty to be vaporized in itself, if
It is the Crawl mat of pattern transfer, ink is exposed easily to come off.
EVA is through high pressure sheet by nonpolar, crystalline vinyl monomer and polarity, noncrystalline vinyl acetate monomer
The thermoplastic resin that body is polymerized, due to introducing vinyl acetate monomer on strand, its crystallinity and fusing point reduction, easily
Crosslinked foaming material is manufactured by the way of first shaping post-crosslinking.EVA performance depends mainly on VA content and melt flows
Speed (MFI), when the timings of MFI mono-, VA contents are improved, and its elasticity, flexibility etc. are with improve;When VA contents are reduced, then just
Property, wearability etc. improves.The timing of VA contents one, then softening point declines for MFI increases, and processability and lustrous surface improve but intensity meeting
Decline, on the contrary with MFI reduction then molecular weight increase, impact property and environmental stress crack resistance can be improved, wherein VA contents
It is adapted to manufacture high resiliency EVA crosslinked foaming materials for 18%~21%, the MFI EVA for being 115~215g/10min.EVA crosslinking hairs
Foam material has excellent elasticity, flexibility, pliability, ageing resistance, therefore is well suited for being used to manufacture Crawl mat, but it is deposited
In air-locked defect so that Crawl mat peculiar smell is difficult to volatilize, and easily breed bacteria, bring healthy hidden danger to children.
Simultaneously in baby or the child in child's period, often imprudence urine or cup is overturned on Crawl mat, passed
Crawl mat unite if waterproof, then gas permeability is poor, and sense of touch is uncomfortable, if taking into account the Crawl mat of gas permeability, then hold very much
Easily seep water to internal even to bottom, and form sealing state and be difficult to volatilize, so that peculiar smell is produced, breed bacteria.
The content of the invention
Goal of the invention:For weak point of the prior art, creeped cushion material the invention provides a kind of fast-drying type, together
When the preparation method that the fast-drying type creeps cushion material is provided.
Technical scheme:A kind of fast-drying type of the present invention is creeped cushion material, includes following components system according to parts by weight
Into:120~150 parts of PVC, 50~60 parts of PEPA, 5~10 parts of titanium dioxide, 3~6 parts of dimethylaminoethoxyethanol,
10~20 parts of 10~20 parts of medical stone powder, 20~30 parts of isocyanates, 30~50 parts of bamboo fibre and additive.
It is preferred that, the additive is made according to parts by weight including following components:2~3 parts of surfactant, chain extender
2~5 parts of 1~3 part, 2~4 parts of silicones polyethers emulsion, 1~2 part of glycerine, 2~3 parts of pore-creating agent and catalyst.
It is preferred that, the PEPA is the linear polyesters polyalcohol that binary acid and dihydric alcohol are synthesized.
It is further preferred that the catalyst is tetraisopropyl titanate.
It is preferred that, the chain extender be one or both of dihydric alcohol and diamine, hexylene glycol, diphenylmethane diamine with
On mixture.
It is preferred that, the pore-creating agent is the ethylene oxide copolyether of PPOX one.
Invention also provides the preparation method for cushion material of being creeped for above-mentioned fast-drying type, this method includes following step
Suddenly:
1) PVC of corresponding parts by weight, PEPA are poured into stirring container, the catalysis with corresponding parts by weight
Agent, chain extender, silicones polyethers emulsion, glycerine mixing, are stirred 30~40 minutes;
2) then add corresponding parts by weight isocyanates and bamboo fibre stir 5~10 minutes, be heated to 45~55
℃;The surfactant and pore-creating agent of corresponding parts by weight are poured into simultaneously;
3) and then the dimethylaminoethoxyethanol and titanium dioxide of corresponding parts by weight are added, it is cold along with stirring nature
But to 25~30 DEG C, obtain combining middle material;
4) releasing agent will be spread in Crawl mat mould, the medical stone powder of corresponding parts by weight is uniformly spread on releasing agent
Top layer, and the temperature of the mould is maintained at 45~50 DEG C;
5) step 3 is poured on side) obtained combination middle material, is stirred while by wind cooling temperature lowering;After 30~40 minutes
Demoulding discharging, according to required size dicing.
Beneficial effect:The fast-drying type that the present invention is provided is creeped the fast-drying type Crawl mat that cushion material and preparation method thereof is obtained
Material, has the following advantages that compared with the prior art:
1st, by the synergy of PVC, PEPA, isocyanates, titanium dioxide, bamboo fibre and additive, obtain
The huge specific surface area of foams, and cause the cushion material of creeping prepared with higher porosity, and the hole formed
Gap is microcellular structure, and the quantity of micropore is up to 80~150 every square centimeter so that obtained Crawl mat has higher ventilation
Performance and rapid-curing cutback performance;
2nd, the association of surfactant, silicones polyethers emulsion, glycerine in PVC, medical stone powder, bamboo fibre and additive is passed through
Same synergistic effect, overcomes the problem that taste is weighed that Crawl mat is difficult to overcome originally;And combine excellent micropore venting capability gram
Take taste and gather the problem of being difficult to volatilization;
3rd, by the synergy of dimethylaminoethoxyethanol and catalyst, the not only catalytic action with synergy, and
And effectively increase the micropore uniformity of product, and by dimethylaminoethoxyethanol and surfactant, titanium dioxide and
The synergy of catalyst generates excellent antibacterial effect, it is not necessary to extra again to increase antibacterial additives.
4th, the synergy of combined catalyst, chain extender and pore-creating agent, with higher stability and screen resilience, is improved
The service life and comfort of Crawl mat, it is safe and reliable durable.
Embodiment:
Embodiment 1
Fast-drying type Crawl mat material prescription is:120 parts of PVC, 50 parts of PEPA, 5 parts of titanium dioxide, dimethylamino second
10 parts of 3 parts of ethoxy-ethanol, 10 parts of medical stone powder, 20 parts of isocyanates, 30 parts of bamboo fibre and additive.
The additive is made according to parts by weight including following components:2 parts of surfactant, 1 part of chain extender, silicones
2 parts of 2 parts of polyethers emulsion, 1 part of glycerine, 2 parts of pore-creating agent and catalyst.
The PEPA is the linear polyesters polyalcohol that binary acid and dihydric alcohol are synthesized.
The catalyst is tetraisopropyl titanate.
The chain extender is that dihydric alcohol and diamine press 1:1 proportioning is formed.
The pore-creating agent is the ethylene oxide copolyether of PPOX one.
The step of its preparation method is:
1) PVC of corresponding parts by weight, PEPA are poured into stirring container, the catalysis with corresponding parts by weight
Agent, chain extender, silicones polyethers emulsion, glycerine mixing, are stirred 30 minutes;
2) then add corresponding parts by weight isocyanates and bamboo fibre stir 5 minutes, be heated to 45 DEG C;Fall simultaneously
Enter the surfactant and pore-creating agent of corresponding parts by weight;
3) and then the dimethylaminoethoxyethanol and titanium dioxide of corresponding parts by weight are added, it is cold along with stirring nature
But to 25 DEG C, obtain combining middle material;
4) releasing agent will be spread in Crawl mat mould, the medical stone powder of corresponding parts by weight is uniformly spread on releasing agent
Top layer, and the temperature of the mould is maintained at 45 DEG C;
5) step 3 is poured on side) obtained combination middle material, is stirred while by wind cooling temperature lowering;It is stripped after 30 minutes
Discharging, according to required size dicing.
Embodiment 2
Fast-drying type Crawl mat material prescription is:150 parts of PVC, 60 parts of PEPA, 10 parts of titanium dioxide, dimethylamino second
20 parts of 6 parts of ethoxy-ethanol, 20 parts of medical stone powder, 30 parts of isocyanates, 50 parts of bamboo fibre and additive.
The additive is made according to parts by weight including following components:3 parts of surfactant, 3 parts of chain extender, silicones
5 parts of 4 parts of polyethers emulsion, 2 parts of glycerine, 3 parts of pore-creating agent and catalyst.
The PEPA is the linear polyesters polyalcohol that binary acid and dihydric alcohol are synthesized.
The catalyst is tetraisopropyl titanate.
The chain extender is that dihydric alcohol and diamine, diphenylmethane diamine press 1:1:1 proportioning is formed.
The pore-creating agent is the ethylene oxide copolyether of PPOX one.
The step of its preparation method is:
1) PVC of corresponding parts by weight, PEPA are poured into stirring container, the catalysis with corresponding parts by weight
Agent, chain extender, silicones polyethers emulsion, glycerine mixing, are stirred 40 minutes;
2) then add corresponding parts by weight isocyanates and bamboo fibre stir 10 minutes, be heated to 55 DEG C;Simultaneously
Pour into the surfactant and pore-creating agent of corresponding parts by weight;
3) and then the dimethylaminoethoxyethanol and titanium dioxide of corresponding parts by weight are added, it is cold along with stirring nature
But to 30 DEG C, obtain combining middle material;
4) releasing agent will be spread in Crawl mat mould, the medical stone powder of corresponding parts by weight is uniformly spread on releasing agent
Top layer, and the temperature of the mould is maintained at 50 DEG C;
5) step 3 is poured on side) obtained combination middle material, is stirred while by wind cooling temperature lowering;It is stripped after 40 minutes
Discharging, according to required size dicing.
Embodiment 3
Fast-drying type Crawl mat material prescription is:140 parts of PVC, 55 parts of PEPA, 8 parts of titanium dioxide, dimethylamino second
15 parts of 4 parts of ethoxy-ethanol, 15 parts of medical stone powder, 25 parts of isocyanates, 40 parts of bamboo fibre and additive.
The additive is made according to parts by weight including following components:2 parts of surfactant, 2 parts of chain extender, silicones
4 parts of 3 parts of polyethers emulsion, 1 part of glycerine, 3 parts of pore-creating agent and catalyst.
The PEPA is the linear polyesters polyalcohol that binary acid and dihydric alcohol are synthesized.
The catalyst is tetraisopropyl titanate.
The chain extender is that diamine and diphenylmethane diamine press 1:3 proportionings are formed.
The pore-creating agent is the ethylene oxide copolyether of PPOX one.
The step of its preparation method is:
1) PVC of corresponding parts by weight, PEPA are poured into stirring container, the catalysis with corresponding parts by weight
Agent, chain extender, silicones polyethers emulsion, glycerine mixing, are stirred 35 minutes;
2) then add corresponding parts by weight isocyanates and bamboo fibre stir 8 minutes, be heated to 50 DEG C;Fall simultaneously
Enter the surfactant and pore-creating agent of corresponding parts by weight;
3) and then the dimethylaminoethoxyethanol and titanium dioxide of corresponding parts by weight are added, it is cold along with stirring nature
But to 30 DEG C, obtain combining middle material;
4) releasing agent will be spread in Crawl mat mould, the medical stone powder of corresponding parts by weight is uniformly spread on releasing agent
Top layer, and the temperature of the mould is maintained at 50 DEG C;
5) step 3 is poured on side) obtained combination middle material, is stirred while by wind cooling temperature lowering;It is stripped after 35 minutes
Discharging, according to required size dicing.
Embodiment 4
Fast-drying type Crawl mat material prescription is:130 parts of PVC, 52 parts of PEPA, 6 parts of titanium dioxide, dimethylamino second
12 parts of 4 parts of ethoxy-ethanol, 13 parts of medical stone powder, 22 parts of isocyanates, 35 parts of bamboo fibre and additive.
The additive is made according to parts by weight including following components:2 parts of surfactant, 1 part of chain extender, silicones
3 parts of 2 parts of polyethers emulsion, 2 parts of glycerine, 2 parts of pore-creating agent and catalyst.
The PEPA is the linear polyesters polyalcohol that binary acid and dihydric alcohol are synthesized.
The catalyst is tetraisopropyl titanate.
The chain extender is diphenylmethane diamine.
The pore-creating agent is the ethylene oxide copolyether of PPOX one.
The step of its preparation method is:
1) PVC of corresponding parts by weight, PEPA are poured into stirring container, the catalysis with corresponding parts by weight
Agent, chain extender, silicones polyethers emulsion, glycerine mixing, are stirred 35 minutes;
2) then add corresponding parts by weight isocyanates and bamboo fibre stir 5 minutes, be heated to 45 DEG C;Fall simultaneously
Enter the surfactant and pore-creating agent of corresponding parts by weight;
3) and then the dimethylaminoethoxyethanol and titanium dioxide of corresponding parts by weight are added, it is cold along with stirring nature
But to 25 DEG C, obtain combining middle material;
4) releasing agent will be spread in Crawl mat mould, the medical stone powder of corresponding parts by weight is uniformly spread on releasing agent
Top layer, and the temperature of the mould is maintained at 45 DEG C;
5) step 3 is poured on side) obtained combination middle material, is stirred while by wind cooling temperature lowering;It is stripped after 35 minutes
Discharging, according to required size dicing.
Embodiment 5
Fast-drying type Crawl mat material prescription is:145 parts of PVC, 58 parts of PEPA, 8 parts of titanium dioxide, dimethylamino second
18 parts of 5 parts of ethoxy-ethanol, 18 parts of medical stone powder, 28 parts of isocyanates, 45 parts of bamboo fibre and additive.
The additive is made according to parts by weight including following components:3 parts of surfactant, 3 parts of chain extender, silicones
4 parts of 3 parts of polyethers emulsion, 2 parts of glycerine, 3 parts of pore-creating agent and catalyst.
The PEPA is the linear polyesters polyalcohol that binary acid and dihydric alcohol are synthesized.
The catalyst is tetraisopropyl titanate.
The chain extender is hexylene glycol, diphenylmethane diamine by 1:2 proportionings are formed.
The pore-creating agent is the ethylene oxide copolyether of PPOX one.
The step of its preparation method is:
1) PVC of corresponding parts by weight, PEPA are poured into stirring container, the catalysis with corresponding parts by weight
Agent, chain extender, silicones polyethers emulsion, glycerine mixing, are stirred 40 minutes;
2) then add corresponding parts by weight isocyanates and bamboo fibre stir 10 minutes, be heated to 50 DEG C;Simultaneously
Pour into the surfactant and pore-creating agent of corresponding parts by weight;
3) and then the dimethylaminoethoxyethanol and titanium dioxide of corresponding parts by weight are added, it is cold along with stirring nature
But to 30 DEG C, obtain combining middle material;
4) releasing agent will be spread in Crawl mat mould, the medical stone powder of corresponding parts by weight is uniformly spread on releasing agent
Top layer, and the temperature of the mould is maintained at 50 DEG C;
5) step 3 is poured on side) obtained combination middle material, is stirred while by wind cooling temperature lowering;It is stripped after 40 minutes
Discharging, according to required size dicing.
The performance test of embodiment 6
Cushion material progressive of being creeped to fast-drying type made from embodiment 1-5 can be tested, and hygroscopicity refers to GB/T 1690-
2010 standards, will be soaked in water under each material normal temperature (20 DEG C), be taken out after 2 hours, after interior is dried in the air 1 hour, 3 hours
After determine moisture content, moisture content is lower to show that rapid-curing cutback performance is better.Permeability test tests each material using air permeability tester
Air permenbility, test gas be nitrogen, the testing time be 2 hours, test pressure is 0.2MPa, and Air permenbility shows more greatly gas permeability
Better.
Claims (7)
- The cushion material 1. a kind of fast-drying type is creeped, it is characterised in that include 120~150 parts of PVC, polyester polyols according to parts by weight 50~60 parts of alcohol, 5~10 parts of titanium dioxide, 3~6 parts of dimethylaminoethoxyethanol, 10~20 parts of medical stone powder, isocyanates 20 10~20 parts of~30 parts, 30~50 parts of bamboo fibre and additive.
- The cushion material 2. fast-drying type as claimed in claim 1 is creeped, it is characterised in that according to each in additive described in parts by weight The proportioning of composition is 2~3 parts of surfactant, 1~3 part of chain extender, 2~4 parts of silicones polyethers emulsion, 1~2 part of glycerine, opened 2~3 parts of hole agent, 2~5 parts of catalyst.
- The cushion material 3. fast-drying type as claimed in claim 1 is creeped, it is characterised in that the PEPA is binary acid and two The linear polyesters polyalcohol of first alcohol synthesis.
- The cushion material 4. fast-drying type as claimed in claim 1 is creeped, it is characterised in that the catalyst is tetraisopropyl titanate.
- The cushion material 5. fast-drying type as claimed in claim 1 is creeped, it is characterised in that the chain extender be dihydric alcohol and diamine, Mixture more than one or both of hexylene glycol, diphenylmethane diamine.
- The cushion material 6. fast-drying type as claimed in claim 1 is creeped, it is characterised in that the pore-creating agent is the oxygen of PPOX one Change ethylene copolymer ether.
- The preparation method of cushion material 7. the fast-drying type as described in claim 1~6 is creeped, it is characterised in that including following step Suddenly:1) PVC of corresponding parts by weight, PEPA are poured into stirring container, catalyst, expansion with corresponding parts by weight Chain agent, silicones polyethers emulsion, glycerine mixing, are stirred 30~40 minutes;2) then add corresponding parts by weight isocyanates and bamboo fibre stir 5~10 minutes, be heated to 45~55 DEG C;Together When pour into the surfactant and pore-creating agent of corresponding parts by weight;3) and then the dimethylaminoethoxyethanol and titanium dioxide of corresponding parts by weight are added, is naturally cooled to along with stirring 25~30 DEG C, obtain combining middle material;4) releasing agent will be spread in Crawl mat mould, the medical stone powder of corresponding parts by weight is uniformly spread on to the table of releasing agent Layer, and the temperature of the mould is maintained at 45~50 DEG C;5) step 3 is poured on side) obtained combination middle material, is stirred while by wind cooling temperature lowering;It is stripped after 30~40 minutes Discharging, according to required size dicing.
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CN107868369A (en) * | 2017-12-15 | 2018-04-03 | 洛阳名力科技开发有限公司 | A kind of infant of environment-protective no-smell is with PVC Crawl mats |
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CN106046627A (en) * | 2016-08-15 | 2016-10-26 | 东莞市悠悠美居家居制造有限公司 | Polyvinyl chloride massage pad and preparation method thereof |
CN106183206A (en) * | 2016-08-31 | 2016-12-07 | 苏州美山子制衣有限公司 | Upright cotton Crawl mat |
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