CN204109484U - A kind of composite environmental-friendly high-elastic automobile primary carpet acoustical cotton - Google Patents
A kind of composite environmental-friendly high-elastic automobile primary carpet acoustical cotton Download PDFInfo
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- CN204109484U CN204109484U CN201420435876.4U CN201420435876U CN204109484U CN 204109484 U CN204109484 U CN 204109484U CN 201420435876 U CN201420435876 U CN 201420435876U CN 204109484 U CN204109484 U CN 204109484U
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Abstract
The utility model is supplied to a kind of composite environmental-friendly high-elastic automobile primary carpet acoustical cotton, comprise the sound absorbing layer of two-layer horizontal lapping and the highly elastic layer of two-layer upright lapping, described sound absorbing layer and staggered being combined into of highly elastic layer are integrated, square grammes per square metre of described sound absorbing layer is 400-600g/ ㎡, and described highly elastic layer square grammes per square metre is 1100-1300g/ ㎡.Automobile primary carpet acoustical cotton of the present utility model, adopt the highly elastic layer of the sound absorbing layer of two-layer horizontal lapping and two-layer upright lapping, and sound absorbing layer and staggered being combined into of highly elastic layer are integrated, make product of the present utility model like this, its attractability and elastic recovery are all fine, do not use regeneration cotton and PU foam process simultaneously, therefore do not have VOC, goods are made to meet the passenger car in-car air quality requirement of country, nontoxic.
Description
Technical field
The utility model relates to a kind of acoustical cotton, is specifically related to a kind of composite environmental-friendly high-elastic automobile primary carpet acoustical cotton.
Background technology
Carpet is with natural fiber or chemical synthetic fiber class raw materials such as cotton, fiber crops, hair, silk, grass, manually or mechanical technology carries out knitting, synthetic tuft or the ground paving application that is formed by weaving.It has one of traditional industrial art category of long history in world wide.Be covered in the ground of house, hotel, gymnasium, show room, vehicle, boats and ships, aircraft etc., have and reduce noise, heat insulation and decorative effect.Carpet sorting technique is a lot, divides have manual knotted carpet, hand woven plain weave carpet, manual tufted carpet, manual felt carpet, machine-made carpet by manufacturing process; Divide by purposes and have carpet, a heatable brick bed blanket, wall tapestry, prayer rug etc.; Divide by raw material and have wool carpet, silk rug, jute rug, chemical fibre carpet etc.
Along with the fast development of economy, improving constantly of people's living standard, automobile industry development is rapid, and the requirement of people to automobile is not only the grace of the quality of automobile itself, function and outward appearance, also more and more higher to the requirement of the upholstery of automobile.For vehicle internal decoration carpet, the amount that usual automobile primary carpet adopts is maximum.
Car carpeting, not only has requirement to ornamental effects such as its color, style, patterns, also has requirement to aspects such as its environment protection healths.For vehicle internal decoration carpet, the performance of its sound-absorbing damping is very important, and automobile in the process of moving, can produce and rock, if internal decoration carpet does not have the effect of sound-absorbing damping, personnel can feel under the weather so by bus.The sound-absorbing effect of carpet itself is not fine, normally on carpet, adds some absorptive products, such as acoustical cotton.
The absorptive product that the existing automobile primary carpet had adopts generally is divided into two kinds: cotton felt-type and PU expansion type; That requires more and more higher along with country to passenger car in-car air quality now, but the numerical value of the product VOC of PU foaming is always all high; Common tiling hot air cotton felt product is all the fiber of thin red Buddhist nun in order to what meet that sound-absorption requirement uses, but this product elastic recovery is bad, and do not have good sense of touch, damping effect is poor.
In order to meet the continuous pursuit of people to quality of the life, also in order to the development of economy, therefore, be necessary to develop and a kind of not only there is the main carpet acoustical cotton of the good eco-friendly car of sound-absorbing effect.
Summary of the invention
Goal of the invention: the purpose of this utility model is to solve the deficiencies in the prior art, provides a kind of composite environmental-friendly high-elastic automobile primary carpet acoustical cotton and manufacture method thereof.
Technical scheme: in order to realize above object, the utility model adopts following technical scheme:
A kind of composite environmental-friendly high-elastic automobile primary carpet acoustical cotton, comprise the sound absorbing layer of two-layer horizontal lapping and the highly elastic layer of two-layer upright lapping, described sound absorbing layer and staggered being combined into of highly elastic layer are integrated, square grammes per square metre of described sound absorbing layer is 400-600g/ ㎡, and described highly elastic layer square grammes per square metre is 1100-1300g/ ㎡.The sound absorbing layer of the two-layer horizontal lapping of product of utility model and the highly elastic layer of two-layer upright lapping, and sound absorbing layer and staggered being combined into of highly elastic layer are integrated, make product of the present utility model like this, its attractability and elastic recovery are all fine, do not use regeneration cotton and PU foam process simultaneously, therefore there is no VOC, and make goods meet the passenger car in-car air quality requirement of country, nontoxic.
Preferably, described sound absorbing layer adopts ultra-fine doughnut, and by mass percentage, described sound absorbing layer comprises the ultra-fine doughnut of 80-90% and 10-20%L-PET fiber; Described highly elastic layer adopts 3-D crimped fiber, and by mass percentage, described highly elastic layer comprises the thick red Buddhist nun's three-dimensional crimp PET of 70-80% and 20-30%L-PET fiber.Sound absorbing layer adopts ultra-fine doughnut, compared to general fibre, its sound-absorbing effect is better, highly elastic layer adopts 3-D crimped fiber, and have employed the technique of upright lapping, the vertical rate of fiber used, more than 60%, can make the resilience of product reach 92%, than the cotton height about 20% that tiles.
Preferably, be provided with antistatic layer below described outer field highly elastic layer, be provided with skid resistant course below described antistatic layer, described skid resistant course is provided with anti-slip veins.Make the antistatic behaviour of product and skid resistance more superior.
Preferred further, described antistatic layer is PET film layer, and the thickness of described antistatic layer is 0.1-0.2mm, and described antistatic layer comprises following composition by weight:
PET:100 part;
Antistatic additive: 5.5-10 part;
Non-ionic surface active agent agent: 1.5-2.5 part;
Coupling agent vinyltrimethoxy silane: 0.5-1.5 part;
White oil: 2.5-4.0 part;
Stearic acid: 0.1-1.0 part;
Calcium carbonate: 0.8-1.5 part.The integral material of PET resin and product is consistent in fact, adds antistatic additive, makes product have good antistatic behaviour.Ensure that comfortableness and the security of product.
Preferred further, described skid resistant course is acrylic resin/SEBS resin compounded layer, and the thickness of described skid resistant course is 0.3-0.5mm, and described skid resistant course comprises following composition by weight:
Acrylic resin: 50-65 part;
SEBS resin: 45-60 part;
Coupling agent: 0.5-1.5 part;
White oil: 2.5-4.0 part;
Stearic acid: 0.1-1.0 part;
Fire retardant: 0.5-1.5 part;
Antiseptic: 1.0-2.0 part;
Plasticizer: 1.2-2.6 part;
Stabilizing agent: 0.3-1.2 part;
Phase flux: 0.5-2.5 part;
Curing agent: 0.1-2.0 part.Acrylic resin plays sticky styling, SEBS resin plays anti-skidding effect, acrylic resin, SEBS resin are integrated, can this skid resistant course and antistatic backing be made to be more prone to fit while anti-skidding, decrease independent adhesive layer, also make antistatic backing and skid resistant course carry out the difficulty of compound tense operation simultaneously.SEBS is adopted in the utility model, because SEBS take polystyrene as end segment, the ethylene-butene copolymer obtained with polybutadiene hydrogenation is the linear three embedding copolymers of middle spring block, the back side of automobile housing wheel increases SEBS composition makes it have excellent non-skid property, good ageing-resistant performance (in artificial accelerated aging case aging one week its performance rate of descent be less than 10%, ozone aging (38 DEG C) 100 hours its hydraulic performance declines are less than 10%), there are again good heat resistance (its brittle temperature≤-60 DEG C, maximum operation (service) temperature reaches 149 DEG C, under oxygen atmosphere, its decomposition temperature is greater than 270 DEG C), mechanical performance, cohesive, simultaneously because SEBS has good thermoplasticity, add man-hour without the need to sulfuration, goods meet environmental requirement, nontoxic.
Further preferred, described antistatic additive is monostearin, and non-ionic surface active agent agent is sorbitan ester APEO.Monostearin antistatic additive, makes product have excellent antistatic property; Sorbitan ester APEO not only has dispersiveness, also plays antistatic property, coordinates with monostearin, greatly strengthens the antistatic behaviour of product.
Further preferred, described coupling agent is vinyltrimethoxy silane; Vinyltrimethoxy silane is a kind of organo silane coupling agent, the viscosity of molten synthetic resin can be reduced, improve the decentralization of filler to improve processing characteristics, and then make goods obtain good surface quality and machinery, heat and electrical property etc., and this coupling agent is compared to some metal coupling agents, and itself is environmental protection more;
Fire retardant is APP and pentaerythrite mixture; When APP and pentaerythrite carry out composite, there is good fire resistance, the anti-flammability of carpet adhesive skid resistant course can well be improved;
Antiseptic is chitin; Chitin is a kind of antiseptic of natural, environmental protection, joins in skid resistant course, makes skid resistant course have good antibiotic property, can place growing of bacterium, extends the service life of carpet;
Plasticizer is dioctyl phthalate; Join in skid resistant course and its plasticizing effect is strengthened, also make its pliability strengthen, be more prone to processing.Dioctyl phthalate less expensive simultaneously, and nontoxic;
Stabilizing agent is the mixture of calcium-zinc composite stabilizing agent and pentaerythrite; Adding stabilizing agent can make skid resistant course character more stable, prevent its decompose, aging, calcium-zinc composite stabilizing agent is compared to stabilizing agents such as some other metallic lead classes simultaneously, not only stablizing effect is good, also nontoxic, environmental protection simultaneously, after pentaerythrite mixing, its stablizing effect can be further enhanced;
Phase flux is GMA; Phase flux can improve the compatibility of composite and the dispersiveness of filler greatly, thus improve composite machinery intensity, GMA itself is more applicable for the compatibility of acrylic resin and other resins and filler simultaneously, and meanwhile, its material itself is nontoxic;
Curing agent is calcium carbonate.Can promote curing reaction speed, reduce the reaction time, calcium carbonate itself can also play and improve the wearability of product and the effect of mechanical strength simultaneously, and it is cheap, nontoxic.
Further preferred, described fire retardant is APP and pentaerythrite composition by weight ratio is the mixture of 1:2; Described stabilizing agent is calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio is the mixture of 1:3.For the utility model, when this mass ratio, flame retardant effect and stablizing effect the best.
A manufacture method for composite environmental-friendly high-elastic automobile primary carpet acoustical cotton, the method comprises the steps:
A: the manufacture of highly elastic layer: will be the thick red Buddhist nun's three-dimensional crimp PET of 70-80% and 20-30%L-PET fiber according to mass percent, and put in opener and carry out shredding; Then the composite fibre after shredding process is put into blending box to mix; Then the fiber mixed is put in carding machine to carry out dredging and put down; After dredging reef knot bundle, composite fibre is sent in lapping machine and carries out upright lapping, thus form highly elastic layer;
B: sound absorbing layer and highly elastic layer carry out compound: will be the ultra-fine doughnut of 80-90% and 10-20%L-PET fiber according to mass percent, and put in opener and carry out shredding; Then the composite fibre after shredding process is put into blending box to mix; Then the fiber mixed is put in carding machine to carry out dredging and put down; Dredging after reef knot bundle is sent in lapping machine by composite fibre, highly elastic layer is also sent in lapping machine simultaneously, then by the horizontal lapping of composite fibre of the sound absorbing layer after thin reef knot bundle in highly elastic layer, then (1)+(2) layer together enters baking oven sizing;
C: according to the method for A and step B, once by horizontal for the sound absorbing layer of second layer lapping on the another side of highly elastic layer, form (1)+(2)+(1), enter baking oven sizing; And then by (1)+(2)+(1) horizontal lapping of formation on the highly elastic layer of the second layer, form (1)+(2)+(1)+(2), enter baking oven sizing;
D: cool the product of step C, cut-parts, obtains sound-absorbing, resilient layer;
E: the making of antistatic layer: prepare burden by formula, the material prepared adds mixing and stirring in mixer, mixing temperature is 110-120 DEG C, incorporation time is 8-10 minute, after mixing, to transfer in cooling and stirring machine stirring at low speed 5-10 minute at 30-40 DEG C, finally enter that extruder plastifies at 170-180 DEG C, pelletizing, last cross cutting, rolling;
F: skid resistant course material manufactures: prepare burden by formula, the mixing of materials prepared stirred, and then carry out through colloidal sol machine merging the blend obtaining skid resistant course;
G: the product obtained by step D is effectively combined with each other by the front of blanching compounding machine and antistatic layer, wherein combined temp is 170-180 DEG C;
H: the blend of the skid resistant course of molten condition is expelled in the storage glue groove of gluing machine, then the back of the product obtained in step G is stored up above glue groove through gluing machine, successively carry out gluing, scraper plate, traction, section through gluing machine, finally laminating is shaped into and is integrated, then heated by forming machine, compression molding, wherein temperature 200-220 DEG C, dwell time 90-100 second, namely obtain required automobile primary carpet acoustical cotton finally by the skid resistant course surface embossed process of embossing machine to product.In manufacturing process of the present utility model, essentially no polluter produces, and is a kind of environmentally friendly production method, and, the machine used is all purpose instrument, its production cost is lower, and working condition also controls than being easier to, therefore, the difficulty of producing is lower, easily carry out suitability for industrialized production, in manufacturing process, this product does not use regeneration cotton and PU foam process, so goods meet the passenger car in-car air quality requirement of country.
Preferably, in described step B and C, entering temperature when baking oven is shaped is 190-200 DEG C, and the time is 3-4min; When in described step F, colloidal sol machine merges, temperature is 220-240 DEG C, and time of fusion is 15-20min.At this temperature, product approval, syncretizing effect the best.
Beneficial effect: the composite environmental-friendly that the utility model provides high-elastic automobile primary carpet acoustical cotton and manufacture method thereof compared with prior art, have the following advantages:
1, automobile primary carpet acoustical cotton of the present utility model, adopt the highly elastic layer of the sound absorbing layer of two-layer horizontal lapping and two-layer upright lapping, and sound absorbing layer and staggered being combined into of highly elastic layer are integrated, make product of the present utility model like this, its attractability and elastic recovery are all fine, do not use regeneration cotton and PU foam process simultaneously, therefore do not have VOC, goods are made to meet the passenger car in-car air quality requirement of country, nontoxic;
2, automobile primary carpet acoustical cotton of the present utility model, sound absorbing layer adopts ultra-fine doughnut, compared to general fibre, its sound-absorbing effect is better, highly elastic layer adopts 3-D crimped fiber, and have employed the technique of upright lapping, and the vertical rate of fiber of use is more than 60%, the resilience of product can be made to reach 92%, than the cotton height about 20% that tiles;
3, automobile primary carpet acoustical cotton of the present utility model, is also provided with flame-retardant layer, skid resistant course, and anti-flammability and skid resistance are strengthened all greatly; Acrylic resin/SEBS resin compound is used at skid resistant course, wherein acrylic resin plays sticky styling, SEBS resin plays anti-skidding effect, acrylic resin, SEBS resin are integrated, can layer and product be made to be more prone to fit while anti-skidding, decrease independent adhesive layer, reduce the difficulty of compound tense operation simultaneously;
4, automobile primary carpet acoustical cotton of the present utility model, its raw material used and auxiliary agent etc. are all environmental protection, nontoxic material, environmentally safe.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the sound-absorbing effect curve map of the utility model embodiment;
In figure: 1-sound absorbing layer, 2-highly elastic layer, 3-antistatic layer, 4-skid resistant course.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in detail; but illustrate that protection domain of the present utility model is not limited to the concrete scope of the present embodiment simultaneously; based on the embodiment in the utility model; those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
embodiment 1
A kind of composite environmental-friendly high-elastic automobile primary carpet acoustical cotton, comprise the sound absorbing layer 1 of two-layer horizontal lapping and the highly elastic layer 2 of two-layer upright lapping, described sound absorbing layer 1 and staggered being combined into of highly elastic layer 2 are integrated, square grammes per square metre of described sound absorbing layer 1 is 400g/ ㎡, described highly elastic layer 2 squares of grammes per square metres are 1100g/ ㎡, described sound absorbing layer 1 adopts ultra-fine doughnut, and by mass percentage, described sound absorbing layer 1 comprises 80% ultra-fine doughnut and 20%L-PET fiber; Described highly elastic layer 2 adopts 3-D crimped fiber, by mass percentage, described highly elastic layer 2 comprises 70% thick red Buddhist nun's three-dimensional crimp PET and 30%L-PET fiber, described outer field highly elastic layer 2 is provided with antistatic layer 3 below, be provided with skid resistant course 4 below described antistatic layer 3, described skid resistant course 4 is provided with anti-slip veins.
Described antistatic layer 3 is PET film layer, and the thickness of described antistatic layer 3 is 0.1mm, and described antistatic layer 3 comprises following composition by weight:
PET:100 part;
Antistatic additive: monostearin: 5.5 parts;
Non-ionic surface active agent agent: sorbitan ester APEO: 1.5 parts;
Coupling agent vinyltrimethoxy silane: 0.5 part;
White oil: 2.5 parts;
Stearic acid: 0.1 part;
Calcium carbonate: 0.8 part.
Described skid resistant course 4 is acrylic resin/SEBS resin compounded layer, and the thickness of described skid resistant course 4 is 0.3mm, and described skid resistant course 4 comprises following composition by weight:
Acrylic resin: 50 parts;
SEBS resin: 45 parts;
Coupling agent: vinyltrimethoxy silane: 0.5 part;
White oil: 2.5 parts;
Stearic acid: 0.1 part;
Fire retardant: APP and pentaerythrite composition by weight ratio are the mixture of 1:2: 0.5 part;
Antiseptic: chitin: 1.0 parts;
Plasticizer: dioctyl phthalate: 1.2 parts;
Stabilizing agent: calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are the mixture of 1:3: 0.3 part;
Phase flux: GMA: 0.5 part;
Curing agent: calcium carbonate: 0.1 part.
A manufacture method for composite environmental-friendly high-elastic automobile primary carpet acoustical cotton, the method comprises the steps:
A: the manufacture of highly elastic layer 2: will be 70% thick red Buddhist nun's three-dimensional crimp PET and 30%L-PET fiber according to mass percent, and put in opener and carry out shredding; Then the composite fibre after shredding process is put into blending box to mix; Then the fiber mixed is put in carding machine to carry out dredging and put down; After dredging reef knot bundle, composite fibre is sent in lapping machine and carries out upright lapping, thus form highly elastic layer 2;
B: sound absorbing layer 1 and highly elastic layer 2 carry out compound: will be 80% ultra-fine doughnut and 20%L-PET fiber according to mass percent, and put in opener and carry out shredding; Then the composite fibre after shredding process is put into blending box to mix; Then the fiber mixed is put in carding machine to carry out dredging and put down; After dredging reef knot bundle, composite fibre is sent in lapping machine, highly elastic layer 2 is also sent in lapping machine simultaneously, then by the horizontal lapping of composite fibre of the sound absorbing layer 1 after thin reef knot bundle in highly elastic layer 2, then 1+2 layer together enters baking oven sizing, during sizing, temperature is 190 DEG C, and the time is 3-4min;
C: according to the method for A and step B, once by the horizontal lapping of sound absorbing layer 1 of the second layer on the another side of highly elastic layer 2, form 1+2+1, enter baking oven sizing; And then by the horizontal lapping of 1+2+1 of formation on the highly elastic layer 2 of the second layer, form 1+2+1+2, enter baking oven sizing, during sizing, temperature is 190 DEG C, and the time is 3-4min;
D: cool the product of step C, cut-parts, obtains sound-absorbing, resilient layer;
E: the making of antistatic layer 3: prepare burden by formula, the material prepared adds mixing and stirring in mixer, mixing temperature is 110 DEG C, incorporation time is 8-10 minute, after mixing, to transfer in cooling and stirring machine stirring at low speed 5-10 minute at 30 DEG C, finally enter that extruder plastifies at 170 DEG C, pelletizing, last cross cutting, rolling;
F: skid resistant course 4 material manufacture: prepare burden by formula, the mixing of materials prepared is stirred, and then carry out through colloidal sol machine merging the blend obtaining skid resistant course 4, when colloidal sol machine merges, temperature is 220 DEG C, and time of fusion is 15min;
G: the product obtained by step D is effectively combined with each other by the front of blanching compounding machine and antistatic layer 3, wherein combined temp is 170 DEG C;
H: the blend of the skid resistant course 4 of molten condition is expelled in the storage glue groove of gluing machine, then the back of the product obtained in step G is stored up above glue groove through gluing machine, successively carry out gluing, scraper plate, traction, section through gluing machine, finally laminating is shaped into and is integrated, then heated by forming machine, compression molding, wherein temperature 200 DEG C, 90 seconds dwell times, namely obtain required automobile primary carpet acoustical cotton finally by the skid resistant course 4 surface embossed process of embossing machine to product.
embodiment 2
A kind of composite environmental-friendly high-elastic automobile primary carpet acoustical cotton, comprise the sound absorbing layer 1 of two-layer horizontal lapping and the highly elastic layer 2 of two-layer upright lapping, described sound absorbing layer 1 and staggered being combined into of highly elastic layer 2 are integrated, square grammes per square metre of described sound absorbing layer 1 is 500g/ ㎡, described highly elastic layer 2 squares of grammes per square metres are 1200g/ ㎡, described sound absorbing layer 1 adopts ultra-fine doughnut, and by mass percentage, described sound absorbing layer 1 comprises 85% ultra-fine doughnut and 15%L-PET fiber; Described highly elastic layer 2 adopts 3-D crimped fiber, by mass percentage, described highly elastic layer 2 comprises 75% thick red Buddhist nun's three-dimensional crimp PET and 25%L-PET fiber, described outer field highly elastic layer 2 is provided with antistatic layer 3 below, be provided with skid resistant course 4 below described antistatic layer 3, described skid resistant course 4 is provided with anti-slip veins.
Described antistatic layer 3 is PET film layer, and the thickness of described antistatic layer 3 is 0.15mm, and described antistatic layer 3 comprises following composition by weight:
PET:100 part;
Antistatic additive: monostearin: 7.5 parts;
Non-ionic surface active agent agent: sorbitan ester APEO: 2 parts;
Coupling agent vinyltrimethoxy silane: 1 part;
White oil: 3.2 parts;
Stearic acid: 0.6 part;
Calcium carbonate: 1.1 parts.
Described skid resistant course 4 is acrylic resin/SEBS resin compounded layer, and the thickness of described skid resistant course 4 is 0.4mm, and described skid resistant course 4 comprises following composition by weight:
Acrylic resin: 58 parts;
SEBS resin: 47 parts;
Coupling agent: vinyltrimethoxy silane: 1 part;
White oil: 3.5 parts;
Stearic acid: 0.6 part;
Fire retardant: APP and pentaerythrite composition by weight ratio are the mixture of 1:2: 1 part;
Antiseptic: chitin: 1.5 parts;
Plasticizer: dioctyl phthalate: 2.0 parts;
Stabilizing agent: calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are the mixture of 1:3: 0.8 part;
Phase flux: GMA: 1.5 parts;
Curing agent: calcium carbonate: 1.0 parts.
A manufacture method for composite environmental-friendly high-elastic automobile primary carpet acoustical cotton, the method comprises the steps:
A: the manufacture of highly elastic layer 2: will be 75% thick red Buddhist nun's three-dimensional crimp PET and 25%L-PET fiber according to mass percent, and put in opener and carry out shredding; Then the composite fibre after shredding process is put into blending box to mix; Then the fiber mixed is put in carding machine to carry out dredging and put down; After dredging reef knot bundle, composite fibre is sent in lapping machine and carries out upright lapping, thus form highly elastic layer 2;
B: sound absorbing layer 1 and highly elastic layer 2 carry out compound: will be 85% ultra-fine doughnut and 15%L-PET fiber according to mass percent, and put in opener and carry out shredding; Then the composite fibre after shredding process is put into blending box to mix; Then the fiber mixed is put in carding machine to carry out dredging and put down; After dredging reef knot bundle, composite fibre is sent in lapping machine, highly elastic layer 2 is also sent in lapping machine simultaneously, then by the horizontal lapping of composite fibre of the sound absorbing layer 1 after thin reef knot bundle in highly elastic layer 2, then 1+2 layer together enters baking oven sizing, during sizing, temperature is 195 DEG C, and the time is 3-4min;
C: according to the method for A and step B, once by the horizontal lapping of sound absorbing layer 1 of the second layer on the another side of highly elastic layer 2, form 1+2+1, enter baking oven sizing; And then by the horizontal lapping of 1+2+1 of formation on the highly elastic layer 2 of the second layer, form 1+2+1+2, enter baking oven sizing, during sizing, temperature is 195 DEG C, and the time is 3-4min;
D: cool the product of step C, cut-parts, obtains sound-absorbing, resilient layer;
E: the making of antistatic layer 3: prepare burden by formula, the material prepared adds mixing and stirring in mixer, mixing temperature is 115 DEG C, incorporation time is 8-10 minute, after mixing, to transfer in cooling and stirring machine stirring at low speed 5-10 minute at 35 DEG C, finally enter that extruder plastifies at 175 DEG C, pelletizing, last cross cutting, rolling;
F: skid resistant course 4 material manufacture: prepare burden by formula, the mixing of materials prepared is stirred, and then carry out through colloidal sol machine merging the blend obtaining skid resistant course 4, when colloidal sol machine merges, temperature is 230 DEG C, and time of fusion is 18min;
G: the product obtained by step D is effectively combined with each other by the front of blanching compounding machine and antistatic layer 3, wherein combined temp is 175 DEG C;
H: the blend of the skid resistant course 4 of molten condition is expelled in the storage glue groove of gluing machine, then the back of the product obtained in step G is stored up above glue groove through gluing machine, successively carry out gluing, scraper plate, traction, section through gluing machine, finally laminating is shaped into and is integrated, then heated by forming machine, compression molding, wherein temperature 210 DEG C, 95 seconds dwell times, namely obtain required automobile primary carpet acoustical cotton finally by the skid resistant course 4 surface embossed process of embossing machine to product.
embodiment 3
A kind of composite environmental-friendly high-elastic automobile primary carpet acoustical cotton, comprise the sound absorbing layer 1 of two-layer horizontal lapping and the highly elastic layer 2 of two-layer upright lapping, described sound absorbing layer 1 and staggered being combined into of highly elastic layer 2 are integrated, square grammes per square metre of described sound absorbing layer 1 is 600g/ ㎡, described highly elastic layer 2 squares of grammes per square metres are 1300g/ ㎡, described sound absorbing layer 1 adopts ultra-fine doughnut, and by mass percentage, described sound absorbing layer 1 comprises 90% ultra-fine doughnut and 10%L-PET fiber; Described highly elastic layer 2 adopts 3-D crimped fiber, by mass percentage, described highly elastic layer 2 comprises 80% thick red Buddhist nun's three-dimensional crimp PET and 20%L-PET fiber, described outer field highly elastic layer 2 is provided with antistatic layer 3 below, be provided with skid resistant course 4 below described antistatic layer 3, described skid resistant course 4 is provided with anti-slip veins.
Described antistatic layer 3 is PET film layer, and the thickness of described antistatic layer 3 is 0.2mm, and described antistatic layer 3 comprises following composition by weight:
PET:100 part;
Antistatic additive: monostearin: 10 parts;
Non-ionic surface active agent agent: sorbitan ester APEO: 2.5 parts;
Coupling agent vinyltrimethoxy silane: 1.5 parts;
White oil: 4.0 parts;
Stearic acid: 1.0 parts;
Calcium carbonate: 1.5 parts.
Described skid resistant course 4 is acrylic resin/SEBS resin compounded layer, and the thickness of described skid resistant course 4 is 0.5mm, and described skid resistant course 4 comprises following composition by weight:
Acrylic resin: 65 parts;
SEBS resin: 60 parts;
Coupling agent: vinyltrimethoxy silane: 1.5 parts;
White oil: 4.0 parts;
Stearic acid: 1.0 parts;
Fire retardant: APP and pentaerythrite composition by weight ratio are the mixture of 1:2: 1.5 parts;
Antiseptic: chitin: 2.0 parts;
Plasticizer: dioctyl phthalate: 2.6 parts;
Stabilizing agent: calcium-zinc composite stabilizing agent and pentaerythrite composition by weight ratio are the mixture of 1:3: 1.2 parts;
Phase flux: GMA: 2.5 parts;
Curing agent: calcium carbonate: 2.0 parts.
A manufacture method for composite environmental-friendly high-elastic automobile primary carpet acoustical cotton, the method comprises the steps:
A: the manufacture of highly elastic layer 2: will be 80% thick red Buddhist nun's three-dimensional crimp PET and 20%L-PET fiber according to mass percent, and put in opener and carry out shredding; Then the composite fibre after shredding process is put into blending box to mix; Then the fiber mixed is put in carding machine to carry out dredging and put down; After dredging reef knot bundle, composite fibre is sent in lapping machine and carries out upright lapping, thus form highly elastic layer 2;
B: sound absorbing layer 1 and highly elastic layer 2 carry out compound: will be 90% ultra-fine doughnut and 10%L-PET fiber according to mass percent, and put in opener and carry out shredding; Then the composite fibre after shredding process is put into blending box to mix; Then the fiber mixed is put in carding machine to carry out dredging and put down; After dredging reef knot bundle, composite fibre is sent in lapping machine, highly elastic layer 2 is also sent in lapping machine simultaneously, then by the horizontal lapping of composite fibre of the sound absorbing layer 1 after thin reef knot bundle in highly elastic layer 2, then 1+2 layer together enters baking oven sizing, during sizing, temperature is 200 DEG C, and the time is 3-4min;
C: according to the method for A and step B, once by the horizontal lapping of sound absorbing layer 1 of the second layer on the another side of highly elastic layer 2, form 1+2+1, enter baking oven sizing; And then by the horizontal lapping of 1+2+1 of formation on the highly elastic layer 2 of the second layer, form 1+2+1+2, enter baking oven sizing, during sizing, temperature is 200 DEG C, and the time is 3-4min;
D: cool the product of step C, cut-parts, obtains sound-absorbing, resilient layer;
E: the making of antistatic layer 3: prepare burden by formula, the material prepared adds mixing and stirring in mixer, mixing temperature is 120 DEG C, incorporation time is 8-10 minute, after mixing, to transfer in cooling and stirring machine stirring at low speed 5-10 minute at 40 DEG C, finally enter that extruder plastifies at 180 DEG C, pelletizing, last cross cutting, rolling;
F: skid resistant course 4 material manufacture: prepare burden by formula, the mixing of materials prepared is stirred, and then carry out through colloidal sol machine merging the blend obtaining skid resistant course 4, when colloidal sol machine merges, temperature is 240 DEG C, and time of fusion is 20min;
G: the product obtained by step D is effectively combined with each other by the front of blanching compounding machine and antistatic layer 3, wherein combined temp is 180 DEG C;
H: the blend of the skid resistant course 4 of molten condition is expelled in the storage glue groove of gluing machine, then the back of the product obtained in step G is stored up above glue groove through gluing machine, successively carry out gluing, scraper plate, traction, section through gluing machine, finally laminating is shaped into and is integrated, then heated by forming machine, compression molding, wherein temperature 220 DEG C, 100 seconds dwell times, namely obtain required automobile primary carpet acoustical cotton finally by the skid resistant course 4 surface embossed process of embossing machine to product.
Composite environmental-friendly in above-described embodiment high-elastic automobile primary carpet acoustical cotton, its sound-absorbing effect and resilience are all fine, and its sound-absorbing effect when 500G/M2 specifically sees the following form:
Table 1:
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its objective is to allow and is familiar with these those skilled in the art and can understands content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalents done by the utility model Spirit Essence or modification, all should be encompassed within protection domain of the present utility model.
Claims (4)
1. a composite environmental-friendly high-elastic automobile primary carpet acoustical cotton, it is characterized in that: comprise the sound absorbing layer (1) of two-layer horizontal lapping and the highly elastic layer (2) of two-layer upright lapping, described sound absorbing layer (1) and staggered being combined into of highly elastic layer (2) are integrated, square grammes per square metre of described sound absorbing layer (1) is 400-600g/ ㎡, and described highly elastic layer (2) square grammes per square metre is 1100-1300g/ ㎡.
2. composite environmental-friendly according to claim 1 high-elastic automobile primary carpet acoustical cotton, it is characterized in that: described outer field highly elastic layer (2) is provided with antistatic layer (3) below, be provided with skid resistant course (4) below described antistatic layer (3), described skid resistant course (4) is provided with anti-slip veins.
3. composite environmental-friendly according to claim 2 high-elastic automobile primary carpet acoustical cotton, is characterized in that: described antistatic layer (3) is PET film layer, and the thickness of described antistatic layer (3) is 0.1-0.2mm.
4. composite environmental-friendly according to claim 2 high-elastic automobile primary carpet acoustical cotton, is characterized in that: described skid resistant course (4) is acrylic resin/SEBS resin compounded layer, and the thickness of described skid resistant course (4) is 0.3-0.5mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175673A (en) * | 2014-08-05 | 2014-12-03 | 昆山同昌汽车新材料有限公司 | Composite sound insulation high-resilience automobile main carpet anti-vibration pad and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175673A (en) * | 2014-08-05 | 2014-12-03 | 昆山同昌汽车新材料有限公司 | Composite sound insulation high-resilience automobile main carpet anti-vibration pad and manufacturing method thereof |
| CN104175673B (en) * | 2014-08-05 | 2016-08-24 | 昆山同昌汽车新材料有限公司 | A kind of complex sound insulation height resilience automobile primary carpet crash roll and manufacture method |
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