CN108752932B - Silicon rubber elastomer/fiber composite material and preparation method and application thereof - Google Patents
Silicon rubber elastomer/fiber composite material and preparation method and application thereof Download PDFInfo
- Publication number
- CN108752932B CN108752932B CN201810441654.6A CN201810441654A CN108752932B CN 108752932 B CN108752932 B CN 108752932B CN 201810441654 A CN201810441654 A CN 201810441654A CN 108752932 B CN108752932 B CN 108752932B
- Authority
- CN
- China
- Prior art keywords
- silicone rubber
- fiber
- elastomer
- rubber elastomer
- fiber composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 149
- 239000000835 fiber Substances 0.000 title claims abstract description 147
- 229920001971 elastomer Polymers 0.000 title claims abstract description 91
- 239000000806 elastomer Substances 0.000 title claims abstract description 91
- 239000002131 composite material Substances 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000004945 silicone rubber Substances 0.000 claims abstract description 120
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000002245 particle Substances 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 11
- 238000011049 filling Methods 0.000 claims abstract description 7
- 239000000839 emulsion Substances 0.000 claims description 18
- 238000004132 cross linking Methods 0.000 claims description 14
- 238000001723 curing Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 150000002978 peroxides Chemical class 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000004636 vulcanized rubber Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 17
- 230000035699 permeability Effects 0.000 abstract description 13
- 238000009423 ventilation Methods 0.000 abstract description 2
- 229920000742 Cotton Polymers 0.000 description 9
- 239000002657 fibrous material Substances 0.000 description 9
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000009941 weaving Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000004744 fabric Substances 0.000 description 4
- 210000004209 hair Anatomy 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000004944 Liquid Silicone Rubber Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 241000282836 Camelus dromedarius Species 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 241000628997 Flos Species 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002557 mineral fiber Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 description 1
- 244000198134 Agave sisalana Species 0.000 description 1
- 240000008564 Boehmeria nivea Species 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 244000146553 Ceiba pentandra Species 0.000 description 1
- 235000003301 Ceiba pentandra Nutrition 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- QKSIFUGZHOUETI-UHFFFAOYSA-N copper;azane Chemical compound N.N.N.N.[Cu+2] QKSIFUGZHOUETI-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013008 moisture curing Methods 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920006306 polyurethane fiber Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a silicon rubber elastomer/fiber composite material, a preparation method and application thereof. The silicone rubber elastomer/fiber composite includes: fiber product made of chemical fiber and/or natural fiber, and silicone rubber elastomer with particle shape distributed in the fiber product, and filling density of silicone rubber elastomer is 0.005-0.200g/cm 3 . The silicon rubber elastomer/fiber composite material has the advantages of good elasticity, good softness, good ventilation and the like. The preparation method of the silicone rubber elastomer/fiber composite material is optimized, the process is stable, and the silicone rubber elastomer/fiber composite material prepared by the process has good resilience and strong air permeability.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a silicone rubber elastomer/fiber composite material, a preparation method and application thereof.
Background
There are a great number of fiber products prepared by non-woven technology using chemical fiber or natural fiber as raw material, such as felt products made of natural wool, camel hair and other animal fiber; underwear cups formed by compression shaping with polyester fiber as raw material; and others such as insoles, various cushions, backrests, etc. The products have the advantages of portability, softness, good air permeability and the like, and have wide application range. However, the fiber product has the defect of poor rebound resilience due to the material property and structural characteristics, namely, the product can recover the original shape only after being compressed and deformed, and even after being compressed and used for a long time, the fiber product can not recover the original shape and loses the use value.
Silicone rubber refers to a polymeric elastomer material having a backbone composed of alternating silicon and oxygen atoms. The silicone rubber has the advantages of no toxicity, no smell, high temperature resistance, weather resistance, good physiological compatibility and the like, and has wide application in the fields of daily necessities, chemical industry, automobiles, machinery, medical treatment and health and the like. In particular, silicone rubber has excellent rebound resilience and can quickly recover the original shape and function even if used in a high compression state for a long time.
The patent CN102561047a uses liquid silicone rubber to coat on a net-shaped chemical fiber fabric, and uses an air injection method to blow out the redundant liquid silicone rubber, and the cured coated net has good release property and anti-slip property, is used for steaming the lining of the dish-shaped food, and also fails to improve the rebound performance of the chemical fiber fabric. Because thicker articles cannot blow out excess liquid silicone rubber with air injection, this method is only applicable to thinner mesh fabrics and is not applicable to thicker fibrous articles.
Patent CN105696352B discloses a silicon silk floss product, the surfaces of the inner and outer fibers of the chemical fiber cotton are coated with silicon rubber layers, so that two layers of completely synchronous netlike elastic structures are formed, and the rebound resilience of the chemical fiber cotton is improved. However, since the resilience of the silk floss product is mainly provided by a thin and continuous silicone rubber layer on the surface of the fiber, the resilience performance, particularly the quick resilience performance and the rebound durability of the fiber product after modification are not optimal due to the influence of the thickness factor of the silicone rubber layer. If the proportion of the silicone rubber is simply increased to increase the thickness of the silicone rubber layer, softness and breathability of the fibrous product are affected.
Disclosure of Invention
The invention aims to overcome the technical defects and provide the silicon rubber elastomer/fiber composite material which has the advantages of good rebound resilience, good air permeability, good softness and the like.
Another object of the present invention is to provide a method for preparing the above composite material and its use.
The invention is realized by the following technical scheme.
A silicone rubber elastomer/fiber composite comprising: fiber product made of chemical fiber and/or natural fiber, and silicone rubber elastomer with particle shape attached to fiber surface of fiber product, wherein the filling density of silicone rubber elastomer is 0.005-0.200g/cm 3 。
The filling density of the silicon rubber elastomer in the composite material is less than 0.005g/cm 3 When the amount of the silicone rubber elastomer filled is insufficient to provide sufficient rebound performance; the filling density of the silicon rubber elastomer in the composite material is more than 0.200g/cm 3 When in use, silicone rubberExcessive filling amount is easy to block the pores of the product, and the composite material loses softness and air permeability.
Some of the fibrous surfaces of the fibrous article are also coated with a silicone rubber elastomer layer.
The fiber fineness of the fiber product is 1-8D, and the mass ratio of the silicone rubber elastomer layer distributed in the fiber product to the particle-shaped silicone rubber elastomer is (0.05-1): 1. The particle-shaped silicon rubber elastomer has the appearance of sphere, hemisphere, ellipsoid, multiple sphere formed by aggregation of a plurality of hemispheres and other irregular shapes which are suitable for the shape of fiber silk gaps.
The chemical fiber material is obtained by taking an artificially synthesized high molecular compound or an artificially modified natural high molecular material as a raw material through a spinning process; artificially synthesized high molecular compound fiber materials such as polyester fiber, polyamide fiber, polyacrylonitrile fiber, polyvinyl formal fiber, poly (p-phenylene terephtalate) fiber, polyvinyl chloride fiber, polyurethane fiber, polypropylene fiber, polyethylene fiber, etc.; the artificially modified natural polymer fiber material can be artificial cellulose fiber, artificial starch fiber, artificial protein fiber, copper ammonia fiber, viscose fiber, chitin fiber, etc. Natural fibers mainly comprise animal fibers, plant fibers and inorganic mineral fibers; animal fibers such as wool, rabbit hair, camel hair, yak hair, silk, etc.; plant fibers such as cotton, kapok, coir, sisal, ramie, flax, hemp, and the like; the inorganic mineral fiber is mainly silicate mineral such as asbestos fiber, etc. The fiber in the silicone rubber elastomer/fiber composite material can be singly selected or two or more of the fibers can be mixed for use, and the fiber materials of different types can also be mixed for use.
The fiber product is made of fiber materials woven through a non-weaving process. The non-woven process refers to a process in which the filaments are oriented or randomly arranged to form a net structure without going through a weaving process, and then reinforced by mechanical, thermal or chemical means. Nonwoven processes include vertical web formation, spunbond processes, meltblown processes, and the like. The fiber material products prepared by the non-weaving process are commercially available in tens of varieties such as hard cotton, silk-like cotton, down cotton, filling cotton, upright cotton, hollow cotton and the like.
The Shaol hardness (A type) of the silicon rubber elastomer is 1-70 degrees; preferably, the silicone rubber elastomer has a shore hardness (type a) of 5 to 50 degrees. In silicone rubber elastomer/fiber composites, elasticity is provided primarily by the particle-shaped silicone rubber elastomer. When the hardness of the silicone rubber elastomer is less than 1 degree, the mechanical strength of the elastomer cannot support better rebound performance; when the hardness of the silicone rubber elastomer is more than 70 degrees, the softness of the fiber product is affected.
The average grain diameter of the silicon rubber elastomer is 1-1000 mu m; preferably, the silicone rubber elastomer has an average particle size in the range of 5 to 200. Mu.m. During the curing process of the solvent-free silicone rubber or silicone rubber emulsion, the agglomeration and adhesion phenomena of partial particles can occur. In the finally obtained silicone rubber elastomer/fiber composite material, the average particle size range of the distributed silicone rubber elastomer is 1-1000 mu m. When the particle size of the silicone rubber elastomer is too small, the rebound resilience of the composite material is not obviously enhanced, and when the particle size is too large, fiber meshes are blocked, and the softness and the air permeability of the composite material are affected.
The silicone rubber elastomer is selected from one or more of elastomer materials formed by peroxide vulcanized rubber crosslinking, elastomer materials formed by condensation silicone rubber crosslinking and elastomer materials formed by addition type silicone rubber crosslinking; preferably selected from elastomeric materials formed by crosslinking of an addition type silicone rubber.
The density of the fiber product is 0.008-0.20 g/cm 3 . When the density of the fiber product is less than 0.008 g/cm 3 When the fiber product is in use, the strength of the fiber product is very weak, and the fiber product has no practical value after the silicone rubber is compositely modified; when the density of the fiber product is greater than 0.20 g/cm 3 When the fiber product is in a fiber product structure, the gap structure is too small, the silicon rubber is easy to block the pores of the product, and the softness and the air permeability are lost.
In the fiber product, the length of the fiber is 35-150mm. The fiber matrix used in the invention is prepared from fibers through a non-weaving process, and is different from the fiber products of the traditional weaving process. The fiber products of the weaving process are prepared by adopting long fibers through two steps of spinning and weaving, and the fiber length is usually more than 150mm; while nonwoven fibrous articles are generally made in one step using staple fibers in a nonwoven process. Within a certain range, the mechanical strength of the fibrous product of the nonwoven process is related to the length of the fibers, the longer the length of the fibers, the greater the strength of the fibrous product. However, when the fiber length is more than 150mm, the strength of the fiber product is not obviously increased, and the processing technology of the non-woven technology is not facilitated; when the fiber length is less than 35mm, the fiber product itself is not sufficiently elastic.
The structure of the fiber product is three-dimensional network; the thickness of the silicon rubber elastomer/fiber composite material ranges from 3mm to 80mm. When the thickness of the fiber product is less than 3mm, the rebound resilience requirement is not strong, and the improvement after the silicone rubber is compounded is not obvious; when the thickness of the fiber product is larger than 80mm, the application surface is narrower, and the preparation difficulty of the composite material is higher. It is also within the scope of the present invention to make the thickness of the composite material more than 80mm by means of superposition. When the thickness of the fiber product is larger than 80mm, two materials are compounded through one-time manufacturing, so that the compounding uniformity of the product is poor, and the energy consumption is also improved. The goal may be achieved by bonding two thicknesses of composite material.
The preparation method of the silicon rubber elastomer/fiber composite material comprises the following steps: the preparation method comprises the following steps of: preparing a silicone rubber emulsion, uniformly soaking a fiber product in the silicone rubber emulsion, discharging redundant silicone rubber emulsion in the fiber product in an extrusion mode, heating the fiber product to volatilize a solvent, and performing cross-linking and curing to obtain a silicone rubber elastomer/fiber composite material; in the silicone rubber emulsion, the average grain diameter of the silicone rubber distributed in the solution is 0.01-100 mu m; preferably 0.5-20 μm; the water content of the silicone rubber emulsion is volatilized by a heating mode, and the silicone rubber liquid drops in the emulsion are gradually agglomerated, solidified and crosslinked into the granular silicone rubber elastomer with a certain particle size. When the particle size of the silicone rubber in the emulsion is too small, the particle-shaped silicone rubber elastomer with a certain particle size is not formed, and the rebound resilience performance of the final composite material is affected; when the particle size of the silicone rubber in the emulsion is too large, the emulsion is in an unstable state, so that sedimentation layering phenomenon is easy to generate quickly, and the preparation operation of the composite material is not facilitated.
Is prepared from solvent-free silicone rubber: and (3) preparing solvent-free silicone rubber, uniformly soaking the fiber product therein, and extruding, crosslinking and solidifying redundant solvent-free silicone rubber in the fiber product in an extrusion mode to obtain the silicone rubber elastomer/fiber composite material. After the solvent-free silicone rubber is immersed into the fiber product, the fiber product is gradually contracted into non-continuous silicone rubber droplets, and the non-continuous silicone rubber droplets are crosslinked and cured under the curing condition of the silicone rubber to form the granular silicone rubber elastomer.
The application of the silicon rubber elastomer/fiber composite material is mainly used in the fields of clothes, furniture, riding tools and the like. In particular, the utility model can be applied to underwear cups, mattresses, insoles, various cushion backrests and the like.
The invention has the following beneficial effects:
the silicon rubber elastomer/fiber composite material has the advantages of good elasticity, good softness, good ventilation and the like. And the preparation method is optimized, the particle size range of the silicone rubber liquid drops in the silicone rubber emulsion is screened, and the production stability is good.
Drawings
Fig. 1: schematic cross-sectional structure of one layer in the fiber product,
fig. 2: a schematic representation of the three-dimensional network of the fibrous article,
reference numeral 1 denotes a fiber, reference numeral 2 denotes a fiber product, and reference numeral 3 denotes a particulate silicone rubber elastomer.
Detailed Description
The present invention will be further described with reference to the following specific embodiments, which are examples of embodiments of the present invention that can embody the concept of the present invention, but the present invention is not limited by the following examples.
Examples and comparative examples the starting materials used for the experiments are, but not limited to, the following:
a fiber product: the polyester fiber material is prepared by a vertical net forming process, and the fineness of the fiber is 4D.
Silicone rubber a: the method comprises the steps of adding the silicone rubber, producing JH-6000 series added silicone rubber by Guangdong polymerization technology Co., ltd., wherein series products have different hardness, mixing AB components uniformly in a ratio of 1:1 before use, using the AB components in an operation period, and curing under a curing condition of 150 ℃/5min to obtain the silicone rubber elastomer A.
Silicone rubber B: peroxide vulcanized rubber, manufactured by Guangdong polymerization technology Co., ltd., trade mark JH-1035, hardness Shore hardness (A type) 35 degrees, single component formula, curing condition 130 ℃/3min, and curing to obtain the silicone rubber elastomer B.
Silicone rubber C: condensation type silicone rubber; and (3) the silicone rubber elastomer C is obtained after a single-component formula with the commercial brand JH-3035 and the hardness Shore hardness (A) of 35 degrees and the curing condition of moisture curing at room temperature or slightly heated condition, wherein the curing time is related to the environmental humidity.
The rest raw materials are from commercial products.
Preparation of the silicone rubber elastomer/fiber composites of examples 1-18 and comparative examples 1-10: and (3) preparing the silicone rubber emulsion, uniformly soaking the fiber product therein, discharging the redundant silicone rubber emulsion in the fiber product in an extrusion mode, heating the fiber product to volatilize the solvent, and crosslinking and curing to obtain the silicone rubber elastomer/fiber composite material.
Example 19 preparation of silicone rubber elastomer/fiber composite: and (3) preparing solvent-free silicone rubber, uniformly soaking the fiber product therein, and extruding, crosslinking and solidifying redundant solvent-free silicone rubber in the fiber product in an extrusion mode to obtain the silicone rubber elastomer/fiber composite material.
Method for testing each performance
(1) Quick rebound resilience test: the quick resilience performance is expressed in terms of the compression set rate of the sample tested within 1min after being compressed for a period of time and after being removed from compression. Referring to the method of national standard GB/T6669-2008, samples were tested after being left at room temperature (25 ℃) for 72 hours. If the thickness of the sample exceeds 25mm, the sample is directly tested, and the thickness of the sample is less than 25mm, and multiple layers are stacked until the thickness exceeds 25mm. The sample was compressed to 50% of the original thickness at room temperature with a jig, left for 22 hours, removed from the jig, and left to stand for 1min, and the final thickness was measured immediately. Quick rebound energy = (initial sample thickness-final sample thickness)/(initial sample thickness x 100%). Wherein, the smaller the quick rebound resilience value is, the better.
(2) Rebound durability test: rebound durability is expressed as the compression set after the sample is repeatedly compressed 5000 times. Referring to the method of national standard GB/T6669-2008, samples were tested after being left at room temperature (25 ℃) for 72 hours. If the thickness of the sample exceeds 25mm, directly testing; the sample was less than 25mm thick, and the initial thickness was measured by stacking multiple layers to a thickness exceeding 25mm. The sample was repeatedly compressed by the mechanical device to 50% of the original thickness at room temperature, immediately after which the compression was removed, and after 2s of cycles, 5000 cycles of compression were performed, the device was removed. The final thickness was measured after standing for 30 min. Rebound durability= (sample initial thickness-sample final thickness)/(sample initial thickness×100%). Among them, the smaller the rebound durability value is, the better.
(3) Hand feel test: the tester carried out the direct evaluation in the manner of touching the sample with his hand, the softness to hardness gradually increased from a score of 1 to 5, the higher the score, the harder.
(4) Shore hardness (type a): referring to the method of national standard GB/T531-1999, after curing silicone rubber alone in a mold to a silicone rubber elastomer, measurements were made using a pocket durometer.
(5) Silicone rubber elastomer packing density: weighing the mass m of the original fiber material sample 0 And the mass m of the prepared composite material sample 1 The length, width and thickness of the composite material were measured, and the volume V, packing density= (m 1 -m 0 )/V。
(6) Measurement of average particle size of particulate silicone rubber elastomer: the composite material is sliced into 1mm thick samples, all visible granular silicon rubber elastomers in a 5mm x 5mm area in the samples are randomly selected by utilizing a video image measuring instrument (Nikon NEXIV VMR-H3030), the grain sizes are measured, more than 50 are selected, the average value is calculated, and if the number of the granular silicon rubber elastomers in the area is less than 50, one area superposition statistic can be selected.
(7) Air permeability test: with reference to the method of national standard GB/T5453-1997, a full-automatic fabric air permeability tester (model YG461E-II, manufactured by Wenzhou Gao Co., ltd.) is used for detection, and the experimental area is 20cm 2 The pressure drop was 200Pa.
(8) Mass ratio of the silicone rubber elastomer layer to the particulate silicone rubber elastomer: weighing the mass m of the original fiber material sample 0 And the mass m of the prepared composite material sample 1 Pulverizing the composite material sample into 1mm particles by a pulverizer, placing the particles into purified water, mechanically stirring for 30min, standing for 24h, collecting the granular silicon rubber elastomer settled at the lower layer, drying at 120 ℃, and weighing the mass of m 2 The mass ratio of the silicon rubber elastomer layer to the granular silicon rubber elastomer is as follows: (m) 1 -m 0 -m 2 ）:m 2 。
Table 1: data for examples 1-13, 18/19 and comparative examples 1-9
Table 1, below
Table 1, below
Table 2: data for examples 14-17 and comparative example 10
As can be seen from examples 1-13 and comparative examples 1-8, the particle shape was determined with the packing density, the hardness of the silicone rubber elastomerThe average grain diameter and the fiber density of the silicone rubber elastomer are increased, the quick rebound resilience and rebound durability are increased, the air permeability is reduced, and the hand feeling is gradually hardened; when the packing density is 0.25 g/cm 3 When the hand feeling reaches 4, the hand feeling is too hard, so that the hand feeling is poor, and the air permeability is poor; when the hardness reaches 80 ℃, the hand feeling reaches 5, and the hand feeling is poor due to too hard; when the average particle diameter is 1200 mu m, the hand feeling is 5 grades, and the hand feeling is poor due to too hard, and the air permeability is poor; when the fiber density is 0.25 g/cm 3 When the hand feeling is 4, the hand feeling is poor due to too hard, and the air permeability is poor. As can be seen from examples 14 to 17 and comparative example 10, as the mass ratio of the silicone rubber elastomer layer to the particulate silicone rubber elastomer increases, the quick rebound resilience and rebound durability decrease, the hand feel hardly changes, the air permeability slowly increases, the mass ratio is in the range of (0.05-1): 1, the quick rebound resilience and rebound durability remain excellent, but when the mass ratio is 1.1:1, the quick rebound resilience and rebound durability decrease more, failing to meet the product performance requirements.
Claims (9)
1. A silicone rubber elastomer/fiber composite comprising: a fibrous product made of chemical fibers and/or natural fibers, characterized in that a silicone rubber elastomer having a particle shape is distributed on the fibrous product, and a silicone rubber elastomer layer is coated on the surface of the fibers of the fibrous product, and the filling density of the silicone rubber elastomer is 0.005-0.200g/cm 3 The fiber fineness of the fiber product is 1-8D, and the mass ratio of the silicone rubber elastomer layer distributed in the fiber product to the silicone rubber elastomer in the particle shape is (0.05-1): 1, wherein the average grain diameter of the silicone rubber elastomer ranges from 1 to 1000 mu m, the A-type Shore hardness of the silicone rubber elastomer ranges from 1 to 70 DEG, and the density of the fiber product ranges from 0.008 to 0.20 g/cm 3 In the fiber product, the length of the fiber is 35-150mm.
2. The silicone rubber elastomer/fiber composite according to claim 1, wherein the silicone rubber elastomer has an average particle size in the range of 5 to 200 μm.
3. The silicone rubber elastomer/fiber composite according to claim 1, wherein the silicone rubber elastomer is selected from one or more of an elastomer material formed by peroxide vulcanized rubber crosslinking, an elastomer material formed by condensed silicone rubber crosslinking, and an elastomer material formed by addition type silicone rubber crosslinking.
4. A silicone elastomer/fiber composite as claimed in claim 3 wherein said silicone elastomer is selected from elastomeric materials formed by crosslinking of an addition type silicone rubber.
5. The silicone elastomer/fiber composite according to claim 1, wherein the silicone elastomer has a type a shore hardness of 5 to 50 degrees.
6. The silicone rubber elastomer/fiber composite according to claim 1, wherein the structure of the fiber product is three-dimensional network-like; the thickness of the silicon rubber elastomer/fiber composite material ranges from 3mm to 80mm.
7. The method of preparing a silicone rubber elastomer/fiber composite as defined in claim 6, comprising the steps of:
the preparation method comprises the following steps of: preparing a silicone rubber emulsion, uniformly soaking a fiber product in the silicone rubber emulsion, discharging redundant silicone rubber emulsion in the fiber product in an extrusion mode, heating the fiber product to volatilize a solvent, and performing cross-linking and curing to obtain a silicone rubber elastomer/fiber composite material; in the silicone rubber emulsion, the average grain diameter of the silicone rubber distributed in the solution is 0.01-100 mu m;
is prepared from solvent-free silicone rubber: and (3) preparing solvent-free silicone rubber, uniformly soaking the fiber product therein, and extruding, crosslinking and solidifying redundant solvent-free silicone rubber in the fiber product in an extrusion mode to obtain the silicone rubber elastomer/fiber composite material.
8. The method for producing a silicone rubber elastomer/fiber composite as claimed in claim 7, wherein the silicone rubber emulsion has an average particle diameter of 0.5 to 20 μm in the silicone rubber distributed in the solution.
9. Use of the silicone rubber elastomer/fiber composite according to any of claims 1 to 6 in the field of clothing, furniture, and passenger tools.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441654.6A CN108752932B (en) | 2018-05-10 | 2018-05-10 | Silicon rubber elastomer/fiber composite material and preparation method and application thereof |
| PCT/CN2018/087782 WO2019213990A1 (en) | 2018-05-10 | 2018-05-22 | Silicone rubber elastomer/fiber composite material, manufacturing method for same, and applications thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441654.6A CN108752932B (en) | 2018-05-10 | 2018-05-10 | Silicon rubber elastomer/fiber composite material and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108752932A CN108752932A (en) | 2018-11-06 |
| CN108752932B true CN108752932B (en) | 2023-09-05 |
Family
ID=64009974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810441654.6A Active CN108752932B (en) | 2018-05-10 | 2018-05-10 | Silicon rubber elastomer/fiber composite material and preparation method and application thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108752932B (en) |
| WO (1) | WO2019213990A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692101A (en) * | 2018-12-27 | 2019-04-30 | 南通市第一人民医院 | The dedicated shoulder pad of trachea cannula |
| CN109825091B (en) * | 2019-02-20 | 2021-07-27 | 孙飞 | Silica gel product and preparation process thereof |
| CN110359273A (en) * | 2019-07-04 | 2019-10-22 | 东莞市金桥无纺科技有限公司 | A kind of novel environment friendly elastomer combination packing material and preparation method thereof |
| CN110638118A (en) * | 2019-10-22 | 2020-01-03 | 孙飞 | Underwear cup and manufacturing method thereof |
| CN115233456A (en) * | 2022-09-14 | 2022-10-25 | 浙江泰斯德电气有限公司 | Coating for finishing fiber fabric and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87106779A (en) * | 1986-09-10 | 1988-05-11 | 联合工艺公司 | Solid flowable polymer molding medium |
| JPH04349301A (en) * | 1991-01-30 | 1992-12-03 | Inaba Rubber Kk | Deformable conductive elastomer |
| CN1255934A (en) * | 1998-02-13 | 2000-06-07 | 钟渊化学工业株式会社 | Aqueous emulsions containing silicone rubber particles and process for producing same |
| CN107674431A (en) * | 2017-11-02 | 2018-02-09 | 广东聚合科技股份有限公司 | A kind of addition-type silicon rubber emulsion and its preparation method and application product |
| CN107724089A (en) * | 2017-11-02 | 2018-02-23 | 广东聚合科技股份有限公司 | A kind of surface treatment method of chemical fibre cotton products |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6998155B2 (en) * | 2001-05-23 | 2006-02-14 | Traptek Llc | Woven materials with incorporated solids and processes for the production thereof |
| US20060096911A1 (en) * | 2004-11-08 | 2006-05-11 | Brey Larry A | Particle-containing fibrous web |
| FR2957610B1 (en) * | 2010-03-17 | 2012-03-23 | Freudenberg Politex Sa | NON-WOVEN PRODUCT CONTAINING ORGANIC AND / OR MINERAL PARTICLES AND PROCESS FOR PRODUCING THE SAME |
| TWI602671B (en) * | 2013-01-28 | 2017-10-21 | 東邦特耐克絲歐洲股份有限公司 | Impregnated reinforcing fiber yarn and its use in producing composite materials |
| AT516414B1 (en) * | 2014-10-28 | 2017-07-15 | Chemiefaser Lenzing Ag | Liquid-soaked non-woven fabric containing zinc oxide-containing cellulose fibers |
-
2018
- 2018-05-10 CN CN201810441654.6A patent/CN108752932B/en active Active
- 2018-05-22 WO PCT/CN2018/087782 patent/WO2019213990A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87106779A (en) * | 1986-09-10 | 1988-05-11 | 联合工艺公司 | Solid flowable polymer molding medium |
| JPH04349301A (en) * | 1991-01-30 | 1992-12-03 | Inaba Rubber Kk | Deformable conductive elastomer |
| CN1255934A (en) * | 1998-02-13 | 2000-06-07 | 钟渊化学工业株式会社 | Aqueous emulsions containing silicone rubber particles and process for producing same |
| CN107674431A (en) * | 2017-11-02 | 2018-02-09 | 广东聚合科技股份有限公司 | A kind of addition-type silicon rubber emulsion and its preparation method and application product |
| CN107724089A (en) * | 2017-11-02 | 2018-02-23 | 广东聚合科技股份有限公司 | A kind of surface treatment method of chemical fibre cotton products |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108752932A (en) | 2018-11-06 |
| WO2019213990A1 (en) | 2019-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108752932B (en) | Silicon rubber elastomer/fiber composite material and preparation method and application thereof | |
| TWI715041B (en) | Biodegradable textiles, masterbatches, and method of making biodegradable fibers | |
| Yang et al. | Morphological, mechanical and thermal properties of poly (lactic acid)(PLA)/cellulose nanofibrils (CNF) composites nanofiber for tissue engineering | |
| CN106029976B (en) | Tablet and its manufacturing method | |
| CN101104752B (en) | Water-proof moisture-permeation coating agent composition and application thereof | |
| Rajzer | Fabrication of bioactive polycaprolactone/hydroxyapatite scaffolds with final bilayer nano-/micro-fibrous structures for tissue engineering application | |
| SE1050067A1 (en) | Foam elements comprising cellulose | |
| CN102505176B (en) | Preparation method of laponite (LAP)-doped polylactic acid-glycolic acid (PLGA) nanofiber | |
| JPS5876434A (en) | Absorptive flat structure and manufacture | |
| SE1050066A1 (en) | Foam elements comprising cellulose | |
| TWI312021B (en) | ||
| TW201207175A (en) | Cooling fabric based on hydrophobic PEBA | |
| JP4698930B2 (en) | Fiber structures containing nanofibers | |
| CN111607965A (en) | Nano fiber spunlace nonwoven fabric base film substrate and preparation method thereof | |
| CN109825091B (en) | Silica gel product and preparation process thereof | |
| CN211171117U (en) | Waterproof breathable film and clothing product | |
| CN117255841A (en) | Bio-based adhesive composition for air-laid nonwoven materials | |
| CN103556479A (en) | Durable lavender aroma type long stapled cotton/fine denier nylon knitted fabric product | |
| JP2948259B2 (en) | Fiber ball for filling | |
| CN208235214U (en) | Fiber product | |
| CN108166159B (en) | Heat-insulating filling material, preparation method thereof and heat-insulating product | |
| US3328198A (en) | Fiber-reinforced foams and process for the production thereof | |
| JP4565902B2 (en) | Fiber molded body and method for producing the same | |
| Rabat et al. | Water absorbency properties of OPEFB filled hydrogels composites | |
| CN114714694B (en) | Waterproof breathable surgical gown material, preparation method thereof and surgical gown |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 528437 Torch Development Zone, Zhongshan, Guangdong, 1 along Jiangxi two road. Applicant after: Guangdong poly Technology Co.,Ltd. Address before: 528437 Torch Development Zone, Zhongshan, Guangdong, 1 along Jiangxi two road. Applicant before: Guangdong Polysil Technology Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200521 Address after: 528000 second floor, building 1, building 2, No. 2, yanjiangxi first road, Torch Development Zone, Zhongshan City, Guangdong Province Applicant after: Benying Technology (Zhongshan) Co.,Ltd. Address before: 528437 Torch Development Zone, Zhongshan, Guangdong, 1 along Jiangxi two road. Applicant before: Guangdong poly Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |