CN205688263U - A kind of synthetic leather of resistance to scald - Google Patents
A kind of synthetic leather of resistance to scald Download PDFInfo
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- CN205688263U CN205688263U CN201620198351.2U CN201620198351U CN205688263U CN 205688263 U CN205688263 U CN 205688263U CN 201620198351 U CN201620198351 U CN 201620198351U CN 205688263 U CN205688263 U CN 205688263U
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- synthetic leather
- high temperature
- base material
- temperature resistant
- scald
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Abstract
The utility model discloses a kind of synthetic leather of resistance to scald, including the silicone layer (1) set gradually from top to bottom and high temperature resistant base material (2), organosilicon syrup raw material is vulcanized in release paper, the number of times of coating sulfuration is more than once, single coating layer thickness, at 0.02 0.3mm, is coated with gross thickness 0.2 0.5mm；Step 2, after last coating organosilicon syrup, fits high temperature resistant base material (2) and slurry and sends into drying tunnel sulfuration so that machine silicon layer (1) and the laminating of high temperature resistant base material (2)；Step 3, after having vulcanized, peels off synthetic leather with release paper, obtains the synthetic leather of resistance to scald.Organic silicon rubber and high temperature resistant base material that this utility model uses are environmentally friendly material.High temperature resistant base material provides basic framework, and silicone rubber constitutes in flesh, composes the resistance to scald ability that lance synthetic leather is excellent, also has the features such as the distinctive weather-proof resistant hydrolysis of silastic product is ventilative.
Description
Technical field
This utility model relates to a kind of synthetic leather of resistance to scald and preparation method thereof, belongs to technical field of synthetic leather.
Background technology
At present, domestic and international synthetic leather industry is mainly with polyurethane (PU), and polrvinyl chloride (PVC) is main, and it is manufacturing and is making
The harmful substances such as substantial amounts of dimethylformamide, butanone, toluene all can be contained during with, and when its scrap concrete processes again
The catabolites harmful to environment and biology such as hydrogen chloride, two English, Blausure (German) can be produced.
PU and PVC synthetic leather also have the most ageing-resistant when routine use, not heatproof, and facile hydrolysis easily stains, etc. shortcoming.
Utility model content
This utility model, for the deficiency of the problems referred to above, proposes a kind of synthetic leather of resistance to scald, and this synthetic leather can resist height
Temperature is scalded, and manufacture method environmental friendliness, harmless, and more preferably serviceability.
This utility model is that the technical scheme solving the proposition of above-mentioned technical problem is:
A kind of synthetic leather of resistance to scald, including the silicone layer (1) set gradually from top to bottom and high temperature resistant base material (2).
Preferred: the one side that described high temperature resistant base material (2) deviates from silicone layer (1) mutually is provided with organosilicon foamed cotton layer (3).
Preferred: described silicone layer (1), high temperature resistant base material (2) and organosilicon foamed cotton layer (3) composite joint successively exist
Together.
Preferred: described high temperature resistant base material (2) is glass fibre or carbon fiber.
Preferred: the thickness 0.2-0.5mm of described silicone layer (1).
Preferred: described silicone layer (1) is made up of organosilicon syrup raw material, the component of described organosilicon syrup raw material is pressed
Weight is as follows:
Vinyl polysiloxane 45-70 part
Hydrogen containing siloxane 1-10 part
Filler 10-40 part
Mill base 4-10 part
Platinum group catalyst 0.01-1 part
Delayed-action activator 0.001-0.1 part.
Wherein, described vinyl polysiloxane is the polysiloxanes that at least two vinyl is directly connected with Si, described second
Thiazolinyl is positioned at the end of the chain or side chain；
Described hydrogen containing siloxane is the polysiloxanes that at least 3 hydrogen atoms are joined directly together with Si, described hydrogen atom position
In the end of the chain side chain of hydrogen containing siloxane, or the hydrogen atom being joined directly together with Si is contained at chain two ends the most simultaneously, and described hydrogen atom exists
Content in hydrogen containing siloxane is 0.1～1.6%；Described hydrogen containing siloxane is straight-chain, dendritic, ring-type polysiloxanes
In one or more mixture；
Described filler is fume colloidal silica, precipitated silica, silicones, silicon powder, calcium carbonate, aluminosilicate, silicon
One or more mixture in bath soil, aluminium oxide, aluminium hydroxide, magnesium hydroxide, titanium dioxide；
Described mill base is the pigment with polysiloxanes as disperse medium；
Described platinum group catalyst is isopropyl alcohol solution of chloroplatinic acid, chloroplatinic acid tetrahydrofuran solution, chloroplatinic acid-divinyl four
Tetramethyldisiloxane coordination compound or chloroplatinic acid-1,3,5,7-tetravinyl-1,3,5,7-tetramethyl-cyclotetrasiloxane coordination compound
In one or more mixture, in described platinum catalyst Pt atom content in the catalyst be 100～
500000ppm；
Described delayed-action activator be methyl butynol, ethynylcyclohexanol, maleic acid or derivatives thereof containing alkynyl, containing alkynyl
In rich maleic acid or derivatives thereof, many vinyl polysiloxane, pyridine, unsaturated acyl amine, organic phosphine or phosphite ester one
Plant or its two or more mixture.
The manufacture method of a kind of synthetic leather of resistance to scald, comprises the following steps:
Step 1, vulcanizes organosilicon syrup raw material in release paper, and the number of times of coating sulfuration is more than once, single
Secondary coating thickness is at 0.02-0.3mm；
Step 2, after last coating organosilicon syrup, fits high temperature resistant base material (2) and slurry and sends into drying tunnel sulfur
Change so that machine silicon layer (1) and the laminating of high temperature resistant base material (2)；
Step 3, after having vulcanized, peels off synthetic leather with release paper, obtains the synthetic leather of resistance to scald.
Described high temperature resistant base material can process through following: is that 0.1-5mm organosilicon foam uniformly coats 0.01-by thickness
0.1mm organosilicon syrup, then by high temperature resistant base material, (2 fit with the organosilicon foam scribbling organosilicon syrup one side, pass through
80-180 DEG C of sulfuration, completes the composite joint of high temperature resistant base material (2) and organosilicon foamed cotton layer (3).
The one synthetic leather of resistance to scald of the present utility model, compared to existing technology, has the advantages that
Organic silicon rubber and high temperature resistant base material that this utility model uses are environmentally friendly material.High temperature resistant base material provides
Basic framework, silicone rubber constitutes in flesh, composes the resistance to scald ability that lance synthetic leather is excellent, also have silastic product distinctive weather-proof
The features such as resistant hydrolysis is ventilative.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is the structural representation of embodiment 2；
Wherein, 1 is silicone layer, and 2 is high temperature resistant base material, and 3 is organosilicon foamed cotton layer.
Detailed description of the invention
Accompanying drawing discloses the structural representation of one preferred embodiment of this utility model without limitation, below with reference to attached
Figure explains the technical solution of the utility model.
Embodiment 1
A kind of synthetic leather of resistance to scald, as it is shown in figure 1, include composite joint silicone layer 1 together the most successively
With high temperature resistant base material 2.Described high temperature resistant base material 2 is glass fibre or carbon fiber.The thickness 0.02-5mm of described silicone layer 1.
Described silicone layer 1 is made up of organosilicon syrup raw material, and each composition weight of described organosilicon syrup raw material is as follows:
Described vinyl polysiloxane is the polysiloxanes that at least two vinyl is directly connected with Si, described vinyl position
In the end of the chain or side chain.The present embodiment uses viscosity 5000 centistoke end-vinyl polysiloxanes 600 grams.
Hydrogen containing siloxane is the polysiloxanes that at least 3 hydrogen atoms are joined directly together with Si, and described hydrogen atom is positioned at and contains
The end of the chain side chain of hydrogen polysiloxanes, or chain two ends contain the hydrogen atom being joined directly together with Si the most simultaneously, and described hydrogen atom is hydrogeneous
Content in polysiloxanes is 0.1～1.6%；Described hydrogen containing siloxane is in straight-chain, dendritic, ring-type polysiloxanes
One or more mixture.The present embodiment uses hydrogen content 0.75% containing hydrogen silicone oil 20 grams.
Filler be fume colloidal silica, precipitated silica, silicones, silicon powder, calcium carbonate, aluminosilicate, silicon bath soil,
One or more mixture in aluminium oxide, aluminium hydroxide, magnesium hydroxide, titanium dioxide, the present embodiment uses and compares table
The gas-phase silica of area 200 300 grams.
Mill base is selectivity additive, and the convenient synthetic leather making different colours, it is with polysiloxanes as disperse medium
Pigment, be optimal with the polysiloxanes containing vinyl for disperse medium, the present embodiment uses mill base 70 grams.
Platinum group catalyst is isopropyl alcohol solution of chloroplatinic acid, chloroplatinic acid tetrahydrofuran solution, chloroplatinic acid-divinyl tetramethyl
Disiloxane coordination compound or chloroplatinic acid-1,3,5,7-tetravinyl-1,3,5, in 7-tetramethyl-cyclotetrasiloxane coordination compound
One or more mixture, in described platinum catalyst Pt atom content in the catalyst be 100～
500000ppm, the isopropyl alcohol solution of chloroplatinic acid 3 grams that the present embodiment uses Pt content to be 3000ppm.
Delayed-action activator is methyl butynol, ethynylcyclohexanol, the maleic acid or derivatives thereof containing alkynyl, the rich horse containing alkynyl
Come the one in sour or derivatives thereof, many vinyl polysiloxane, pyridine, unsaturated acyl amine, organic phosphine or phosphite ester or
Its two or more mixture, the present embodiment uses ethynylcyclohexanol 0.2 gram.
The manufacture method of a kind of synthetic leather of resistance to scald, comprises the following steps:
Being coated in three times in release paper by organosilicon syrup raw material, ground floor thickness 0.05mm toasts sulfur at 120 DEG C
After changing 5 minutes, after painting second layer thickness 0.1mm toasts sulfuration 5 minutes at 120 DEG C, it is coated with third layer thickness 0.15mm, will
Glass fibre is uniformly fitted with third layer slurry, after at 120 DEG C, baking vulcanizes 10 minutes, is separated with release paper by synthetic leather,
I.e. can get desired synthetic leather, release paper can be changed to mould release membrance here.
Embodiment 2
The present embodiment is in place of the difference of embodiment 1: as in figure 2 it is shown, include that composite joint exists the most successively
Silicone layer 1, high temperature resistant base material 2 and organosilicon foamed cotton layer 3 together.
It is in place of manufacture method difference: be even spread thickness 0.1mm organosilicon on 0.4mm organosilicon foam at thickness
Slurry feedstock, fits therewith by glass fibre wherein one side, and at 120 DEG C, baking sulfuration 10 minutes, i.e. can get desired conjunction
Finished leather.When additionally vulcanizing, temperature is at 80-180 DEG C.
Embodiment 3
The present embodiment is in place of the difference of embodiment 2: coated at twice in release paper by organosilicon syrup raw material,
Coating thickness is 0.05mm for the first time, after baking vulcanizes 5 minutes at 120 DEG C, is coated with second layer thickness 0.3mm, total coating layer thickness
0.35mm。
Embodiment 4
The present embodiment is in place of the difference of embodiment 2: coated at twice in release paper by organosilicon syrup raw material,
Coating thickness is 0.2mm for the first time, after baking vulcanizes 5 minutes at 120 DEG C, is coated with second layer thickness 0.3mm, total coating layer thickness
0.5mm。
Embodiment 5
The present embodiment is in place of the difference of embodiment 2: coated at twice in release paper by organosilicon syrup raw material,
Coating thickness is 0.02mm for the first time, after baking vulcanizes 5 minutes at 120 DEG C, is coated with second layer thickness 0.18mm, total coating layer thickness
0.2mm。
Embodiment 6
The present embodiment is in place of the difference of embodiment 2: each composition weight of organosilicon syrup raw material is as follows:
Vinyl polysiloxane 450 grams
Hydrogen containing siloxane 10 grams
Filler 400 grams
Mill base 100 grams
Platinum group catalyst 10 grams
Delayed-action activator 1 gram.
Embodiment 7
The present embodiment is in place of the difference of embodiment 2: each composition weight of organosilicon syrup raw material is as follows:
Vinyl polysiloxane 700 grams
Hydrogen containing siloxane 100 grams
Filler 100 grams
Mill base 40 grams
Platinum group catalyst (300000) 0.1 grams
Delayed-action activator 0.01 gram.
Comparative example 1
This comparative example is in place of the difference of embodiment 1: it is the super fine cloth of 0.8mm that glass fibre changes thickness into.
Comparative example 2
This comparative example is in place of the difference of embodiment 1: organosilicon syrup changes the PU slurry admittedly containing 25% into.
The synthetic leather that embodiment 1-6 and comparative example 1,2 obtain is carried out Performance comparision, and its result is as shown in table 1:
| Project | Cigarette end is scalded 5 minutes | Feel |
| Embodiment 1 | Surface is almost without change | Thin difficult to handle |
| Embodiment 2 | Surface is almost without change | Plentiful softness |
| Embodiment 3 | Surface is almost without change | Plentiful softness |
| Embodiment 4 | Surface is almost without change | Plentiful softness |
| Embodiment 5 | Surface is almost without change | Plentiful softness |
| Embodiment 6 | Surface is almost without change | Plentiful softness |
| Embodiment 7 | Surface is almost without change | Plentiful softness |
| Comparative example 1 | Surface is without breakage, but forms the face of sinking, and the back side surpasses fibre and burns | Plentiful softness |
| Comparative example 2 | Surface PU layer burns, and the back side is unchanged | Thin difficult to handle |
The resistance to scald ability of excellence it is respectively provided with according to the synthetic leather in made embodiment 1-7 of method that this patent provides, can
Adapt to daily middle household and the application of public arena leatherware.
It is merely to illustrate reality of the present utility model above in conjunction with this utility model preferred embodiment described by accompanying drawing
Execute mode rather than as to aforementioned utility model purpose and claims content and the restriction of scope, every according to this
The technical spirit of utility model, to any simple modification made for any of the above embodiments, equivalent variations and modification, the most still belongs to this practicality
New technique and rights protection category.
Claims (4)
1. the synthetic leather of resistance to scald, it is characterised in that: include the silicone layer (1) that sets gradually from top to bottom and high temperature resistant base
Material (2)；The one side that described high temperature resistant base material (2) deviates from silicone layer (1) mutually is provided with organosilicon foamed cotton layer (3).
The synthetic leather of resistance to scald the most according to claim 1, it is characterised in that: described silicone layer (1), high temperature resistant base material
(2) and organosilicon foamed cotton layer (3) composite joint successively together.
The synthetic leather of resistance to scald the most according to claim 1, it is characterised in that: described high temperature resistant base material (2) is glass fibre
Or carbon fiber.
The synthetic leather of resistance to scald the most according to claim 1, it is characterised in that: the thickness 0.2-of described silicone layer (1)
0.5mm。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620198351.2U CN205688263U (en) | 2016-03-15 | 2016-03-15 | A kind of synthetic leather of resistance to scald |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620198351.2U CN205688263U (en) | 2016-03-15 | 2016-03-15 | A kind of synthetic leather of resistance to scald |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603768A (en) * | 2016-03-15 | 2016-05-25 | 惠州赛力珑新材料有限公司 | Burn-resistant synthetic leather and production method |
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2016
- 2016-03-15 CN CN201620198351.2U patent/CN205688263U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603768A (en) * | 2016-03-15 | 2016-05-25 | 惠州赛力珑新材料有限公司 | Burn-resistant synthetic leather and production method |
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