CN106108235A - A kind of casting type polyurethane material for sole of shoe - Google Patents
A kind of casting type polyurethane material for sole of shoe Download PDFInfo
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- CN106108235A CN106108235A CN201610522486.4A CN201610522486A CN106108235A CN 106108235 A CN106108235 A CN 106108235A CN 201610522486 A CN201610522486 A CN 201610522486A CN 106108235 A CN106108235 A CN 106108235A
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- weight portions
- sole
- shoe
- sandwich layer
- layer
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/12—Making multilayered or multicoloured articles
- B29C39/123—Making multilayered articles
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
-
- 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
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- 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
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6614—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 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
- C08G18/6618—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2410/00—Soles
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The present invention relates to a kind of casting type polyurethane material for sole of shoe, belong to the technical field of material for shoes.The casting type polyurethane material for sole of shoe of the present invention, including fabric sandwich layer, the outer surface upper of described fabric sandwich layer is formed with elastic polyurethane layer；Described fabric sandwich layer is woven by spandex fibre and aramid fiber and forms；Polyamide cladding layer it is pre-formed with before casting on the outer surface of described fabric sandwich layer.Described elastic polyurethane layer is mixed to get casting composition by performed polymer component and oligomer component, and cast obtains in a mold.In casting type polyurethane material for sole of shoe of the present invention, elastic polyurethane layer is good with fabric sandwich layer bonding performance, shows the shock resistance of excellence, and tearing strength is high, is adapted as the sole of sport shoes, basketball shoes, football boot, running shoes etc..
Description
Technical field
The present invention relates to the technical field of material for shoes, it is more particularly related to a kind of casting type polyurethane footwear
Bottom material.
Background technology
Shoes are the required articles for use of human lives, and along with the development of human civilization, footwear kind certainly is the most continuous
It is enriched, such as Men's Leather Shoes, Women's Leather Shoes, playshoes, sport shoes, canvas shoe, chemistry footwear, sandals, slippers and safety
The shoes of the various kind such as footwear.
As the material for sole of shoe for these footwear, widely used have leather, rubber, polrvinyl chloride and polyurethane, poly-
The natural materials such as ester or synthetic material.Wherein, polyurethane is a kind of macromolecule polymeric material between rubber and plastics, its
Molecular backbone contains the elastomeric polymer of more carbamate groups (-NHCOO-), is typical segmented copolymer material
Material.It is anti-that polyurethane generally carries out addition polymerization with polymer polyatomic alcohol, isocyanates, chain extender, cross-linking agent and a small amount of auxiliary agent for raw material
Answering and prepare, have the highest intensity and percentage elongation, from the viewpoint of lightweight, polyurethane material is low, mechanical due to density
Performance other characteristic such as grade and other material well have Dominant Facies and have obtained widely should in material for sole of shoe than other material above-mentioned
With.Polyurethane is superior at aspects such as mechanical performance, wearability, oil resistivitys, and allows melt molding.But for poly-ammonia
For ester footwear material, insufficient as its intensity during the purposes such as sport shoes, generally use fiber to strengthen polyurethane in prior art
The intensity of elastomer, but often there is the combination problem between fiber and elastic polyurethane body interface, cause its mechanical property also
Need to be improved further.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide a kind of casting type polyurethane
Material for sole of shoe.
In order to realize foregoing invention purpose, present invention employs techniques below scheme:
A kind of casting type polyurethane material for sole of shoe, it is characterised in that: include fabric sandwich layer, the outer surface of described fabric sandwich layer waters
Note is formed with elastic polyurethane layer；Described fabric sandwich layer is woven by spandex fibre and aramid fiber and forms；Described fabric sandwich layer
Polyamide cladding layer it is pre-formed with before casting on outer surface.
Wherein, described elastic polyurethane layer is mixed to get casting composition by performed polymer component and oligomer component, and
In mould, cast obtains.
Wherein, described performed polymer component is by the diisocyanate of 100 weight portions, the PolyTHF of 150 ~ 155 weight portions
Glycol, the 10PE27 of 62 ~ 70 weight portions, and 2-vinyl-4 of 10.2 ~ 12.5 weight portions, 6-diaminostilbene,
3,5-triazine compositions, in the performed polymer prepared, the mass fraction of NCO is 5.2 ~ 5.6wt%.
Wherein, described oligomer component is by the glycols chain extender of 85 ~ 95 weight portions, the Diamines chain extension of 15 ~ 5 weight portions
Agent, the episulfide compounds of 5.2 ~ 5.5 weight portions, the catalyst of 0.1 ~ 0.2 weight portion and optional additive are constituted.
Wherein, the weight ratio of described performed polymer component and oligomer component is 100:20.5 ~ 22.5.
A second aspect of the present invention further relates to the preparation method of a kind of casting type polyurethane material for sole of shoe.Described preparation side
Method, comprises the following steps:
(1) preparing fabric sandwich layer, described fabric sandwich layer forms by spandex fibre with containing aramid fiber braiding；
(2) performed polymer component and oligomer component are prepared；
(3) on the outer surface of described fabric sandwich layer, polyamide cladding layer is formed；
(4) by performed polymer component and oligomer component mix homogeneously, and it is poured into the fabric sandwich layer being formed with polyamide cladding layer
Outer surface on formed elastic polyurethane layer.
Wherein, described performed polymer component is prepared by the following method and obtains: by the diisocyanate of 100 weight portions, 150 ~
The polytetrahydrofuran diol of 155 weight portions, the 10PE27 of 62 ~ 70 weight portions, and the 2-of 10.2 ~ 12.5 weight portions
Vinyl-4,6-diamino-1,3,5-triazines reacts under the conditions of 90 ~ 105 DEG C in a kettle., is cooled to 40 DEG C, controls pre-
In aggressiveness, the mass fraction of NCO is 5.2 ~ 5.6wt%, obtains pre-polymer component, seals and preserve after discharging；Described oligomer component
Be prepared by the following method and obtain: by the glycols chain extender of 85 ~ 95 weight portions, the Diamines chain extender of 15 ~ 5 weight portions, 5.2
The episulfide compounds of ~ 5.5 weight portions, the catalyst of 0.1 ~ 0.2 weight portion and optional additive are mixed to get in a kettle.
Oligomer component, seals after discharging and preserves；The weight ratio of described performed polymer component and oligomer component is 100:20.5 ~ 22.5.
Compared with prior art, casting type polyurethane material for sole of shoe of the present invention has the advantages that
In casting type polyurethane material for sole of shoe of the present invention, elastic polyurethane layer is good with fabric sandwich layer bonding performance, shows
Excellent shock resistance, and tearing strength is high, is adapted as the sole of sport shoes, basketball shoes, football boot, running shoes etc..
Detailed description of the invention
Below with reference to specific embodiment, casting type polyurethane material for sole of shoe of the present invention is further elaborated,
To help those skilled in the art that inventive concept, the technical scheme of the present invention are had more complete, accurate and deep understanding.
The casting type polyurethane material for sole of shoe of the present invention, including fabric sandwich layer, and two appearances at described fabric sandwich layer
The elastic polyurethane layer that face upper is formed.The described fabric sandwich layer warp thread by spandex fibre and the weft yarn containing aramid fiber are compiled
Knit and form.In order to strengthen the binding affinity and caking property between described fabric sandwich layer and described elastic polyurethane layer, described fabric core
Polyamide cladding layer it is pre-formed with before casting on the outer surface of layer.
In the present invention, described spandex fibre refers to what the block copolymer with polyurethanes as main component was made
Fiber, it generally includes polyether-type and the two kinds of spandex fibre of polyester-type.Described aramid fiber generally includes meta-aramid
(aramid fiber 1313) and p-aramid fiber (Fanglun l414), wherein meta-aramid refers to Fanglun 1313, para-position
Aramid fiber refers to Fanglun 1414.
In the present invention, described elastic polyurethane layer is mixed to get cast combination by performed polymer component and oligomer component
Thing, and pour into a mould in the mould being pre-placed fabric sandwich layer and obtain.Described performed polymer component and the weight ratio of oligomer component
For 100:20.5 ~ 22.5.Wherein, described performed polymer component by the diisocyanate of 100 weight portions, 150 ~ 155 weight portions poly-
Erythritan, the 10PE27 of 62 ~ 70 weight portions, and 2-vinyl-4 of 10.2 ~ 12.5 weight portions, 6-bis-
Amino-1,3,5-triazines composition, in the performed polymer prepared, the mass fraction of NCO is 5.2 ~ 5.6wt%.Described oligomer component by
The glycols chain extender of 85 ~ 95 weight portions, the Diamines chain extender of 15 ~ 5 weight portions, the episulfide compounds of 5.2 ~ 5.5 weight portions,
The catalyst of 0.1 ~ 0.2 weight portion and optional additive are constituted.
The structural formula of described episulfide compounds is as follows:
R1、R2Representing the alkylidene that carbon atom number is 1 ~ 5 independently, conduct is exemplarily in the examples below, R1And R2All
For methylene.
Described diisocyanate is selected from methyl diphenylene diisocyanate, toluene di-isocyanate(TDI), phenylene diisocyanate
Ester, XDI, 1,5-naphthalene diisocyanate, 3,3 '-two chloro-4,4 '-diphenylmethane diisocyanates
Ester, isophorone diisocyanate, hexamethylene diisocyanate, 4,4 '-dicyclohexyl methyl hydride diisocyanate, hydrogenation of benzene two
Methylene diisocyanate etc..These organic multiple isocyanates can be used alone, or can use two or more simultaneously.Excellent
Select toluene di-isocyanate(TDI) (TDI), such as, can select TDI-80, TDI-100 etc., in the examples below as exemplarily
All selecting TDI-80, it is actually 2, the mixture of 4-TDI and 2,6-TDI, and the weight ratio of the two is 80:20.
Wherein, described glycols chain extender can be such as BDO (BDO), ethylene glycol (EG), a contracting diethyl
Glycol (DEG), 1,2-PD (1,2-PG) etc..Described Diamines chain extender can be such as 3,5-dimethyl sulphur-based toluene two
Amine (DMTDA) or 3, at least one in 5-diethyl toluene diamine (DETDA).Described catalyst is selected from di lauric dibutyl
Stannum, acetopyruvic acid zinc, zinc propionate, zinc octoate, 2 ethyl hexanoic acid zinc, Dodecanoic acid, zinc salt, acetylacetone,2,4-pentanedione zirconium, four zirconium iso-propoxides, four-
Zirconium-n-butylate, four-zirconium tert-butoxide, 2 ethyl hexanoic acid zirconium etc..
In following example and comparative example, fabric sandwich layer uses the weaving manner of 2 × 2 fabrics, and weight is 1.5 g/dm2,
Described warp uses spandex covered yarn, and described parallel uses aramid fiber 1313.As do not illustrated, in following example the two of fabric
Individual surface is equipped with the polyamide membrane of 50 μ m-thick in advance, and heating makes polyamides film melt and passes through pressure initiation polyamide cladding
Layer.
Embodiment 1
The casting type polyurethane material for sole of shoe of the present embodiment is prepared by the following method and obtains: (1) is by the TDI-of 100 weight portions
80, the 10PE27 (M=2000) of the PTMEG (M=1000) of 150 weight portions, 70 weight portions, and 12.5 weight portions
2-vinyl-4,6-diamino-1,3,5-triazines reacts 1.5 ~ 2.0 hours under the conditions of 100 DEG C in a kettle., is cooled to 40
DEG C, controlling the mass fraction of NCO in performed polymer is 5.2wt%, obtains pre-polymer component, seals and preserve after discharging.(2) by 85 weights
The amount BDO of part, the DMTDA of 15 weight portions, the episulfide compounds of 5.2 weight portions, the dibutyl tin laurate of 0.1 weight portion exist
In reactor, under the conditions of 50 DEG C, mixing obtains oligomer component in 1 hour, seals and preserve after discharging.(3) by above-mentioned performed polymer group
Point and oligomer component mix 50 DEG C of weight ratios according to 100:20.5, the mould being then injected into 110 DEG C (is previously provided with
Fabric sandwich layer), reaction 25min after die sinking, afterwards goods are put into 100 DEG C of baking oven ripenings 12 hours after.
Embodiment 2
The casting type polyurethane material for sole of shoe of the present embodiment is prepared by the following method and obtains: (1) is by the TDI-of 100 weight portions
80, the 10PE27 (M=2000) of the PTMEG (M=1000) of 155 weight portions, 62 weight portions, and 10.2 weight portions
2-vinyl-4,6-diamino-1,3,5-triazines reacts 1.5 ~ 2.0 hours under the conditions of 100 DEG C in a kettle., is cooled to 40
DEG C, controlling the mass fraction of NCO in performed polymer is 5.5wt%, obtains pre-polymer component, seals and preserve after discharging.(2) by 95 weights
The amount BDO of part, the DMTDA of 5 weight portions, the episulfide compounds of 5.5 weight portions, the dibutyl tin laurate of 0.1 weight portion exist
In reactor, under the conditions of 50 DEG C, mixing obtains oligomer component in 1 hour, seals and preserve after discharging.(3) by above-mentioned performed polymer group
Point and oligomer component mix 50 DEG C of weight ratios according to 100:22.5, the mould being then injected into 110 DEG C (is previously provided with
Fabric sandwich layer), reaction 25min after die sinking, afterwards goods are put into 100 DEG C of baking oven ripenings 12 hours after.
Embodiment 3
The casting type polyurethane material for sole of shoe of the present embodiment is prepared by the following method and obtains: (1) is by the TDI-of 100 weight portions
80, the 10PE27 (M=2000) of the PTMEG (M=1000) of 152 weight portions, 68 weight portions, and 11.5 weight portions
2-vinyl-4,6-diamino-1,3,5-triazines reacts 1.5 ~ 2.0 hours under the conditions of 100 DEG C in a kettle., is cooled to 40
DEG C, controlling the mass fraction of NCO in performed polymer is 5.3wt%, obtains pre-polymer component, seals and preserve after discharging.(2) by 90 weights
The amount BDO of part, the DMTDA of 10 weight portions, the episulfide compounds of 5.3 weight portions, the dibutyl tin laurate of 0.1 weight portion exist
In reactor, under the conditions of 50 DEG C, mixing obtains oligomer component in 1 hour, seals and preserve after discharging.(3) by above-mentioned performed polymer group
Point and oligomer component mix 50 DEG C of weight ratios according to 100:21.5, the mould being then injected into 110 DEG C (is previously provided with
The fabric sandwich layer that obtains is processed through embodiment 1), die sinking after reaction 25min, afterwards goods are put into 100 DEG C of baking oven ripenings 12
After hour.
Comparative example 1
The casting type polyurethane material for sole of shoe of this comparative example is prepared by the following method and obtains: (1) is by the TDI-of 100 weight portions
80, the 10PE27 (M=2000) of the PTMEG (M=1000) of 152 weight portions, 68 weight portions, and 11.5 weight portions
2-vinyl-4,6-diamino-1,3,5-triazines reacts 1.5 ~ 2.0 hours under the conditions of 100 DEG C in a kettle., is cooled to 40
DEG C, controlling the mass fraction of NCO in performed polymer is 5.3wt%, obtains pre-polymer component, seals and preserve after discharging.(2) by 90 weights
The amount BDO of part, the DMTDA of 10 weight portions, the episulfide compounds of 5.3 weight portions, the dibutyl tin laurate of 0.1 weight portion exist
In reactor, under the conditions of 50 DEG C, mixing obtains oligomer component in 1 hour, seals and preserve after discharging.(3) by above-mentioned performed polymer group
Dividing and oligomer component mixes 50 DEG C of weight ratios according to 100:21.5, the mould being then injected into 110 DEG C (does not forms polyamides
The fabric sandwich layer of amine cladding layer), reaction 25min after die sinking, afterwards goods are put into 100 DEG C of baking oven ripenings 12 hours after.
Comparative example 2
The casting type polyurethane material for sole of shoe of this comparative example is prepared by the following method and obtains: (1) is by the TDI-of 100 weight portions
80, the 10PE27 (M=2000) of the PTMEG (M=1000) of 152 weight portions and 68 weight portions in a kettle. in
Reacting 1.5 ~ 2.0 hours under the conditions of 100 DEG C, be cooled to 40 DEG C, controlling the mass fraction of NCO in performed polymer is 5.3wt%, obtains
Pre-polymer component, seals after discharging and preserves.(2) by the BDO of 90 weight portions, the DMTDA of 10 weight portions, the epithio of 5.3 weight portions
Compound, 0.1 weight portion dibutyl tin laurate in a kettle. under the conditions of 50 DEG C mixing within 1 hour, obtain oligomer
Component, seals after discharging and preserves.(3) by above-mentioned performed polymer component and oligomer component 50 DEG C of weight ratios according to 100:21.5
Mixing, is then injected into the mould (being previously provided with fabric sandwich layer) of 110 DEG C, die sinking after reaction 25min, afterwards goods is put into
After 100 DEG C of baking oven ripenings 12 hours.
Comparative example 3
The casting type polyurethane material for sole of shoe of this comparative example is prepared by the following method and obtains: (1) is by the TDI-of 100 weight portions
80, the 10PE27 (M=2000) of the PTMEG (M=1000) of 152 weight portions, 68 weight portions, and 11.5 weight portions
2-vinyl-4,6-diamino-1,3,5-triazines reacts 1.5 ~ 2.0 hours under the conditions of 100 DEG C in a kettle., is cooled to 40
DEG C, controlling the mass fraction of NCO in performed polymer is 5.3wt%, obtains pre-polymer component, seals and preserve after discharging.(2) by 90 weights
Amount the BDO of part, the DMTDA of 10 weight portions, 0.1 weight portion dibutyl tin laurate in a kettle. under the conditions of 50 DEG C
Mix and obtain oligomer component in 1 hour, seal after discharging and preserve.(3) by above-mentioned performed polymer component and oligomer component at 50 DEG C
Mix according to the weight ratio of 100:21.5, be then injected into the mould (being previously provided with fabric sandwich layer) of 110 DEG C, react 25min
Rear die sinking, afterwards goods are put into 100 DEG C of baking oven ripenings 12 hours after.
Comparative example 4
The casting type polyurethane material for sole of shoe of this comparative example is prepared by the following method and obtains: (1) is by the TDI-of 100 weight portions
80, the 10PE27 (M=2000) of the PTMEG (M=1000) of 152 weight portions, 68 weight portions, and 11.5 weight portions
2-vinyl-4,6-diamino-1,3,5-triazines reacts 1.5 ~ 2.0 hours under the conditions of 100 DEG C in a kettle., is cooled to 40
DEG C, controlling the mass fraction of NCO in performed polymer is 5.3wt%, obtains pre-polymer component, seals and preserve after discharging.(2) by 100 weights
Amount the BDO of part, the episulfide compounds of 5.3 weight portions, 0.1 weight portion dibutyl tin laurate in a kettle. in 50 DEG C
Under the conditions of mixing within 1 hour, obtain oligomer component, after discharging seal preserve.(3) by above-mentioned performed polymer component and oligomer component
Mix 50 DEG C of weight ratios according to 100:21.5, be then injected into the mould (being previously provided with fabric sandwich layer) of 110 DEG C, reaction
Die sinking after 25min, afterwards goods are put into 100 DEG C of baking oven ripenings 12 hours after.
The embodiment prepared and comparative sample are carried out tensile property test, reference according to GB/T2568-1995
GB529 measures tearing strength, measures notched Chalpy impact intensity according to GB/T1843-2008, enters according to GB/T6669-2008
Row compression set is tested, and evaluates the adhesive property between fabric sandwich layer and elastic polyurethane layer according to T-shaped stripping means.Knot
Fruit is as shown in table 1.
Table 1
For the ordinary skill in the art, the present invention is simply exemplarily described by specific embodiment, it is clear that
The present invention implements and is not subject to the restrictions described above, as long as have employed the method design of the present invention and technical scheme is carried out
The improvement of various unsubstantialities, or the most improved design by the present invention and technical scheme directly apply to other occasion, all
Within protection scope of the present invention.
Claims (8)
1. a casting type polyurethane material for sole of shoe, it is characterised in that: include fabric sandwich layer, on the outer surface of described fabric sandwich layer
Cast is formed with elastic polyurethane layer；Described fabric sandwich layer is woven by spandex fibre and aramid fiber and forms；Described fabric sandwich layer
Outer surface on be pre-formed with polyamide cladding layer before casting.
Casting type polyurethane material for sole of shoe the most according to claim 1, it is characterised in that: described elastic polyurethane layer is by advance
Interpolymer component and oligomer component are mixed to get casting composition, and cast obtains in a mold.
Casting type polyurethane material for sole of shoe the most according to claim 2, it is characterised in that: described performed polymer component and oligomeric
The weight ratio of thing component is 100:20.5 ~ 22.5.
Casting type polyurethane material for sole of shoe the most according to claim 2, it is characterised in that: described performed polymer component is by 100
The diisocyanate of weight portion, the polytetrahydrofuran diol of 150 ~ 155 weight portions, the polyadipate ethylene glycol of 62 ~ 70 weight portions
Ester, and 2-vinyl-4 of 10.2 ~ 12.5 weight portions, 6-diamino-1,3,5-triazines forms, NCO in the performed polymer prepared
Mass fraction is 5.2 ~ 5.6wt%.
Casting type polyurethane material for sole of shoe the most according to claim 2, it is characterised in that: described oligomer component by 85 ~
The glycols chain extender of 95 weight portions, the Diamines chain extender of 15 ~ 5 weight portions, the episulfide compounds of 5.2 ~ 5.5 weight portions, 0.1
The catalyst of ~ 0.2 weight portion and optional additive are constituted.
Casting type polyurethane material for sole of shoe the most according to claim 5, it is characterised in that: the structure of described episulfide compounds
Formula is as follows:
Wherein, R1, R2 separately represent the alkylidene that carbon number is 1 ~ 5.
7. the preparation method of a casting type polyurethane material for sole of shoe, it is characterised in that comprise the following steps:
Preparing fabric sandwich layer, described fabric sandwich layer forms by spandex fibre with containing aramid fiber braiding；
Prepare performed polymer component and oligomer component；
The outer surface of described fabric sandwich layer is formed polyamide cladding layer；
By performed polymer component and oligomer component mix homogeneously, and it is poured into outside the fabric sandwich layer being formed with polyamide cladding layer
Elastic polyurethane layer is formed on surface.
Preparation method the most according to claim 7, it is characterised in that described performed polymer component is prepared by the following method
Arrive: by the diisocyanate of 100 weight portions, the polytetrahydrofuran diol of 150 ~ 155 weight portions, 62 ~ 70 weight portions poly-oneself two
Acid glycol ester, and 2-vinyl-4 of 10.2 ~ 12.5 weight portions, 6-diamino-1,3,5-triazines in a kettle. in 90 ~
Reacting under the conditions of 105 DEG C, be cooled to 40 DEG C, controlling the mass fraction of NCO in performed polymer is 5.2 ~ 5.6wt%, obtains prepolymer group
Point, seal after discharging and preserve；Described oligomer component is prepared by the following method and obtains: expanded by the glycols of 85 ~ 95 weight portions
Chain agent, the Diamines chain extender of 15 ~ 5 weight portions, the episulfide compounds of 5.2 ~ 5.5 weight portions, the catalyst of 0.1 ~ 0.2 weight portion
It is mixed to get oligomer component in a kettle. with optional additive, seals after discharging and preserve；Described performed polymer component and low
The weight ratio of copolymer component is 100:20.5 ~ 22.5.
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| CN201610522486.4A CN106108235B (en) | 2016-07-05 | 2016-07-05 | A kind of casting type polyurethane material for sole of shoe |
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| CN106108234A (en) * | 2016-07-05 | 2016-11-16 | 晋江市池店镇娇鹏贸易有限公司 | A kind of casting type polyurethane material for sole of shoe |
| CN108178917A (en) * | 2018-01-17 | 2018-06-19 | 晋江市池店镇娇鹏贸易有限公司 | The material for sole of shoe of flex endurant |
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| CN106108235B (en) | 2017-09-29 |
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