CN102920295A - Blocky carpet and preparation method thereof - Google Patents
Blocky carpet and preparation method thereof Download PDFInfo
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- CN102920295A CN102920295A CN2012104072071A CN201210407207A CN102920295A CN 102920295 A CN102920295 A CN 102920295A CN 2012104072071 A CN2012104072071 A CN 2012104072071A CN 201210407207 A CN201210407207 A CN 201210407207A CN 102920295 A CN102920295 A CN 102920295A
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Abstract
The invention provides a blocky carpet and a preparation method thereof. The carpet comprises multiple layers of structures which are sequentially a blank carpet layer, an ethylene-vinyl acetate copolymer (EVA) adhesive layer, a first polyurethane (PU) adhesive layer, a glass wool cloth layer, a second PU adhesive layer and a non-woven fabric protection layer, wherein the EVA adhesive layer is prepared from 30 to 50 weight parts of ethylene-vinyl acetate copolymer, 10 to 50 weight parts of calcium carbonate, 1 to 2 weight parts of auxiliary materials, 8 to 40 weight parts of insoluble silicate substances, and 10 to 20 weight parts of water. Compared with a blocky carpet in which an asphalt layer is connected with an EVA adhesive layer in the prior art, the blocky carpet which is prepared from an EVA adhesive containing silicate substances and is provided with the double PU adhesive layers has the advantage that the insoluble silicate substances are added into the EVA adhesive, a good waterproof effect is achieved, the infiltration of the moisture is reduced, and the required baked strength is reduced, so that the warpage of the blocky carpet is reduced; and by the double PU adhesive layers, a layering phenomenon caused by the difference of materials of the asphalt layer and the PU adhesive layer is also reduced.
Description
Technical field
The invention belongs to the carpet manufacture technical field, relate in particular to a kind of carpet tile and preparation method thereof.
Background technology
Style according to supply is different, and carpet can be divided into carpet and the carpet tile of view picture rolling supply, and carpet tile is laid flexibly, and can change at any time the carpet at the position of serious wear.
At the bottom of carpet tile mainly contains PVC glue, at the bottom of the pitch and the PU carpet, the PU carpet is that the back of the body applies one deck high resilience polyurethane material at the bottom of carpet, with at the bottom of the common PVC with pitch at the bottom of carpet compare, the PU carpet has the following advantages: with at the bottom of the PVC with pitch at the bottom of carpet compare, pliability is more suitable, preferably elasticity is arranged, base oneself upon more comfortable; Soft alveolar layer has been adopted in the bottom, does not directly contact with ground, has improved heat-insulating property; The existence of soft alveolar layer Air has improved noise-proof performance; Environment friendly and pollution-free, reusable edible.
At present, the production technology of double-deck PU carpet mainly is at first at nonwoven coating one deck PU glue-line, stick glass wool cloth on it, be heating and curing the reaction after, at upper strata coating one deck PU glue-line, and be combined with the base blanket that scribbles in advance the EVA glue-line, after composite roll, compression roller compacting are fitted, place baking oven further to be heating and curing.The PU carpet can be divided into stamp carpet tile and common non-stamp carpet tile.Non-stamp carpet tile is in use relatively poor because of EVA glue-line water preventing ability, and PU is the polyurethane of tool open-celled structure of partly hard bubbling, and water absorption is larger, and long-term use causes the warpage issues of carpet tile easily.The mode of stamp after the mode that PU stamp carpet tile can be divided into again gluing behind the base blanket elder generation stamp and the first gluing of base blanket, the former stamp base blanket is softer, easily stressedly cause the contraction distortion of base blanket because being heated in the gluing process, thereby can't guarantee the in the same size that circulates, carpet flower type splices complete; The latter can guarantee that flower type splicing is complete, but suction too much because EVA glue-line water preventing ability is relatively poor, makes coupled PU glue-line water absorption larger simultaneously in the evaporating of stamp, water-washing process, after the high strength oven dry, causes the warpage issues of carpet tile.
Publication number is the manufacture method that the Chinese patent of CN 101767397A discloses a kind of PU soft bottom square carpet; the PU layer that will link to each other with the EVA glue-line replaces with the PVC layer; its preparation technology is specially: EVA glue-line on the backside of the inherent tufted carpet of 120 ℃ ~ 160 ℃ temperature ranges or carpet woven; then in 160 ℃ ~ 180 ℃ temperature range, carry out EVA glue-line and the PVC glue-line that is coated on the glass fiber layer of cloth compound; with the mechanical foaming method PU glue is foamed and to form the PU foaming layer; the PU foaming layer evenly is coated on the nonwoven protective layer; the PU foaming layer is pressed together on the glass fiber layer of cloth; thereby PU glue and PVC glue impregnated glass layer of cloth are combined with each other PVC glue-line and PU foaming layer; heating cure; obtain the PU soft bottom square carpet behind the cooling and shaping; it has preferably elasticity and toughness, but has equally easy layering; the problem of easy warpage.
U.S. Merrill Lynch agree for solving the warpage issues of stamp carpet tile, what link to each other with the EVA glue-line is bitumen layer, bitumen layer has good water preventing ability, can reduce the lower of moisture oozes, and bitumen layer is stiffening, can well solve the warpage issues of stamp carpet tile, but owing to performance difference between the PU pitch is difficult for greatly bondingly, cause the easy layering of carpet.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of carpet tile and preparation method thereof, and the carpet tile of the method preparation is difficult for warpage and is difficult for layering.
The invention provides a kind of carpet tile; comprise sandwich construction; be followed successively by base blanket layer, EVA glue-line, a PU glue-line, glass fiber layer of cloth, the 2nd PU glue-line and nonwoven protective layer; described EVA glue-line is by the ethylene-vinyl acetate copolymer of 30 ~ 50 weight portions; the calcium carbonate of 10 ~ 50 weight portions; the auxiliary material of 1 ~ 2 weight portion, the insolubility silicates material of 8 ~ 40 weight portions, the water of 10 ~ 20 weight portions is made.
The present invention also provides a kind of preparation method of carpet tile, may further comprise the steps:
A) EVA glue is coated on the base blanket back side, after adding thermal response, obtain containing the base blanket of watertight composition, described EVA glue comprises the ethylene-vinyl acetate copolymer of 30 ~ 50 weight portions, the calcium carbonate of 10 ~ 50 weight portions, the auxiliary material of 1 ~ 2 weight portion, the insolubility silicates material of 8 ~ 40 weight portions, the water of 10 ~ 20 weight portions;
B) the 2nd PU glue-line is coated on the nonwoven protective layer, then with the 2nd PU glue-line and glass wool cloth pressing, after the reaction that is heating and curing for the first time; apply again a PU glue-line; and then with the described base blanket roll-in that contains watertight composition, carry out being heating and curing the second time reaction after, obtain carpet tile.
Preferably, described EVA glue is coated on the base blanket back side after foaming.
Preferably, the temperature that heats in the described steps A is 120 ℃ ~ 150 ℃.
Preferably, described auxiliary material is selected from one or more in bleeding agent, dispersant, blowing agent and the thickener.
Preferably, described insolubility silicates material is portland cement.
Preferably, the temperature that is heating and curing the described first time is 120 ℃ ~ 140 ℃.
Preferably, also comprise:
Be heating and curing for the second time after the reaction, carry out the stamp arrangement.
Preferably, be heating and curing the described second time reaction temperature be 150 ℃ ~ 160 ℃.
The present invention also provides a kind of EVA glue for the preparation of carpet tile, the ethylene-vinyl acetate copolymer that comprises 30 ~ 50 weight portions, the calcium carbonate of 10 ~ 50 weight portions, the auxiliary material of 1 ~ 2 weight portion, the insolubility silicates material of 8 ~ 40 weight portions, the water of 10 ~ 20 weight portions.
The invention provides a kind of carpet tile and preparation method thereof, EVA glue is coated on the base blanket back side, after adding thermal response, obtain containing the base blanket of watertight composition, described EVA glue comprises the ethylene-vinyl acetate copolymer of 30 ~ 50 weight portions, the calcium carbonate of 10 ~ 50 weight portions, the auxiliary material of 1 ~ 2 weight portion, the insolubility silicates material of 8 ~ 40 weight portions, the water of 10 ~ 20 weight portions; The one PU glue-line is coated on the nonwoven protective layer, then with a PU glue-line and glass wool cloth pressing, after the reaction that is heating and curing for the first time; apply again the 2nd PU glue-line; and then with the described base blanket roll-in that contains watertight composition, carry out being heating and curing the second time reaction after, obtain carpet tile.In prior art, the carpet tile that is connected to bitumen layer with the EVA glue-line is compared, and the present invention adopts the carpet tile of the two PU glue-lines of EVA glue preparation that contain the silicates material.At first, add insolubility silicates material in the EVA glue, have preferably waterproof effect, ooze minimizing under the moisture content, required baked strength reduces, and then has reduced carpet tile because of the warpage of using for a long time or the high strength oven dry causes; Secondly, double-deck PU glue-line has also reduced the lamination that bitumen layer and PU glue-line cause because material is different.
Experimental result shows that the carpet tile warp value of the present invention's preparation is less than 1.3mm.
Description of drawings
Fig. 1 is the structural representation of the carpet tile of preparation in the embodiment of the invention 1.
The specific embodiment
The invention provides a kind of preparation method of carpet tile, may further comprise the steps: A) EVA glue is coated on the base blanket back side, after adding thermal response, obtain containing the base blanket of watertight composition, described EVA glue comprises the ethylene-vinyl acetate copolymer of 30 ~ 50 weight portions, the calcium carbonate of 10 ~ 50 weight portions, the auxiliary material of 1 ~ 2 weight portion, the insolubility silicates material of 8 ~ 40 weight portions, the water of 10 ~ 20 weight portions; B) the 2nd PU glue-line is coated on the nonwoven protective layer, then with the 2nd PU glue-line and glass wool cloth pressing, after the reaction that is heating and curing for the first time; apply again a PU glue-line; and then with the described base blanket roll-in that contains watertight composition, carry out being heating and curing the second time reaction after, obtain carpet tile.
The source of the blanket of base described in this aspect there is no special restriction, can be commercially available, it also is homemade base blanket, for the base blanket that has follow-up stamp arrangement to require, its suede yarn is necessary for the nylon composition of can printing and dyeing, for white maybe can cover, stackable light color, its preparation method is method well known to those skilled in the art before the stamp.
Wherein, described ethylene-vinyl acetate copolymer is preferably 35 ~ 50 weight portions, more preferably 40 ~ 45 weight portions.
Calcium carbonate described in the present invention is preferably 15 ~ 40 weight portions, more preferably 20 ~ 35 weight portions.
Described auxiliary material is auxiliary material well known to those skilled in the art, be preferably selected from bleeding agent, dispersant, blowing agent and the thickener one or more, more preferably bleeding agent, dispersant and blowing agent, its content is 1 ~ 2 weight portion, be preferably 1.5 ~ 2 weight portions, its effect is that the performance of EVA glue is improved.
Described insolubility silicates material is preferably 10 ~ 35 weight portions, and more preferably 15 ~ 30 weight portions are preferably portland cement, and its effect is the water proofing property that improves the EVA glue-line.The stamp carpet tile needs steaming and color fixing and washing when stamp, it is more absorb water, and PU is the polyurethane of tool open-celled structure of partly hard bubbling, and water absorption is larger, after high strength is dried, causes the warpage issues of carpet tile.Interpolation silicates material can improve the water proofing property of EVA glue-line, reduces the lower imbibition of moisture content and receives, and required baked strength reduces, and then has reduced the warpage that carpet tile causes because of the high strength oven dry.
The nonwoven that described nonwoven protective layer adopts is nonwoven well known to those skilled in the art, and the present invention preferably adopts the nonwoven of smoky gray as protective layer.
According to the present invention, the condition of the reaction that is heating and curing in the described steps A is condition well known to those skilled in the art, there is no special restriction, and preferred temperature is 120 ℃ ~ 150 ℃, more preferably 125 ℃ ~ 140 ℃, is preferably 130 ℃ ~ 140 ℃ again.
The condition of reacting that is heating and curing for the first time among the described step B is condition well known to those skilled in the art, there is no special restriction, and preferred temperature is 120 ℃ ~ 140 ℃, more preferably 125 ℃ ~ 135 ℃.Apply behind the PU glue-line and the described base blanket roll-in that contains watertight composition, described roll-in adopts method well known to those skilled in the art to get final product, there is no special restriction, preferably carry out roll-in through composite roll and compression roller among the present invention, decide by finally obtaining the required thickness of product in the gap of described roll-in.
The condition of reacting that is heating and curing for the second time among the described step B is condition well known to those skilled in the art, there is no special restriction, 150 ℃ ~ 160 ℃ of preferred temperature, more preferably 152 ℃ ~ 158 ℃.
Link to each other with the EVA glue-line among the present invention also for the PU glue-line, the carpet tile of the present invention's preparation is double-deck PU carpet, reduced the lamination that bitumen layer and PU glue-line cause because material is different.
According to the present invention, EVA glue preferably is coated on the base blanket back side in the described steps A after foaming, and after striking off, heating is reacted, and obtains containing the base blanket of watertight composition.Wherein said foaming method adopts method well known to those skilled in the art to get final product, and there is no special restriction.
Among the present invention, preferably also be included in after the reaction that is heating and curing for the second time in order to obtain drugget, carry out the stamp arrangement, the method for described stamp arrangement is method well known to those skilled in the art, there is no special restriction.
The present invention also provides a kind of carpet tile; comprise sandwich construction; be followed successively by base blanket layer, EVA glue-line, a PU glue-line, glass fiber layer of cloth, the 2nd PU glue-line and nonwoven protective layer; described EVA glue-line is by the ethylene-vinyl acetate copolymer of 30 ~ 50 weight portions; the calcium carbonate of 10 ~ 50 weight portions; the auxiliary material of 1 ~ 2 weight portion, the insolubility silicates material of 8 ~ 40 weight portions, the water of 10 ~ 20 weight portions is made.Wherein each layer is identical with the above, does not repeat them here.
The present invention also provides a kind of EVA glue for the preparation of carpet tile, the ethylene-vinyl acetate copolymer that comprises 30 ~ 50 weight portions, the calcium carbonate of 10 ~ 50 weight portions, the auxiliary material of 1 ~ 2 weight portion, the insolubility silicates material of 8 ~ 40 weight portions, the water of 10 ~ 20 weight portions.Wherein, described ethylene-vinyl acetate copolymer, calcium carbonate, auxiliary material, insolubility silicates material are identical with the above with the requirement of water, do not repeat them here.
In order to further specify the present invention, below in conjunction with embodiment a kind of carpet tile provided by the invention and preparation method thereof is described in detail.
Agents useful for same is commercially available in following examples.
Embodiment 1
1.1 the ethylene-vinyl acetate copolymer of 42 weight portions, the calcium carbonate of 25 weight portions, the auxiliary material of 2 weight portions, the portland cement of 17 weight portions are mixed with the water of 14 weight portions, obtain EVA glue, described auxiliary material is bleeding agent, dispersant and blowing agent.
After 1.2 the EVA glue that obtains in 1.1 foamed, be coated on the back side of base blanket, after doctor blade, place 125 ℃ in baking oven to be cured reaction and oven dry, obtain containing the base blanket of watertight composition.
1.3 PU glue is coated on the smoky gray nonwoven; then with PU glue and glass wool cloth pressing; 130 ℃ of heat cure reaction 5min; on glass wool cloth, apply again another layer PU glue; and with 1.2 in the base blanket pressing that contains watertight composition that obtains; carry out roll-in with composite roll and compression roller; 150 ℃ of heat cure reaction 8min obtain carpet tile, and its structural representation as shown in Figure 1; 1 is the base blanket among Fig. 1; 2 is the EVA glue-line, and 3 is a PU glue-line, and 4 is glass wool cloth; 5 is the 2nd PU glue-line, and 6 is the nonwoven protective layer.
With the base blanket horizontal positioned that contains watertight composition that obtains in 1.2, dripping diameter at the EVA glue layer is the water droplet of 5cm, calculates whole lower times of oozing of water droplet, and it is carried out waterproofing tests, and what obtain the results are shown in Table 1.
The carpet tile that obtains in 1.3 is carried out the water absorption test, and what obtain the results are shown in Table 2.
The carpet tile that obtains in 1.3 after stamp arrangement process, is carried out the warp value test, and what obtain the results are shown in Table 3.
Embodiment 2
2.1 the ethylene-vinyl acetate copolymer of 40 weight portions, the calcium carbonate of 12 weight portions, the auxiliary material of 2 weight portions, the portland cement of 30 weight portions are mixed with the water of 16 weight portions, obtain EVA glue, described auxiliary material is bleeding agent, dispersant and blowing agent.
After 2.2 the EVA glue that obtains in 2.1 foamed, be coated on the back side of base blanket, after doctor blade, place 125 ℃ in baking oven to be cured reaction and oven dry, obtain containing the base blanket of watertight composition.
2.3 PU glue is coated on the smoky gray nonwoven, then with PU glue and glass wool cloth pressing, 130 ℃ of heat cure reaction 5min, on glass wool cloth, apply again another layer PU glue, and with 2.2 in the base blanket pressing that contains watertight composition that obtains, carry out roll-in with composite roll and compression roller, 150 ℃ of heat cure reaction 8min obtain carpet tile.
With the base blanket horizontal positioned that contains watertight composition that obtains in 2.2, dripping diameter at the EVA glue layer is the water droplet of 5cm, calculates whole lower times of oozing of water droplet, and it is carried out waterproofing tests, and what obtain the results are shown in Table 1.
The carpet tile that obtains in 2.3 is carried out the water absorption test, and what obtain the results are shown in Table 2.
The carpet tile that obtains in 2.3 after stamp arrangement process, is carried out the warp value test, and what obtain the results are shown in Table 3.
Embodiment 3
3.1 the ethylene-vinyl acetate copolymer of 42 weight portions, the calcium carbonate of 34 weight portions, the auxiliary material of 2 weight portions, the portland cement of 8 weight portions are mixed with the water of 14 weight portions, obtain EVA glue, described auxiliary material is bleeding agent, dispersant and blowing agent.
After 3.2 the EVA glue that obtains in 3.1 foamed, be coated on the back side of base blanket, after doctor blade, place 125 ℃ in baking oven to be cured reaction and oven dry, obtain containing the base blanket of watertight composition.
3.3 PU glue is coated on the smoky gray nonwoven, then with PU glue and glass wool cloth pressing, 130 ℃ of heat cure reaction 5min, on glass wool cloth, apply again another layer PU glue, and with 3.2 in the base blanket pressing that contains watertight composition that obtains, carry out roll-in with composite roll and compression roller, 150 ℃ of heat cure reaction 8min obtain carpet tile.
With the base blanket horizontal positioned that contains watertight composition that obtains in 3.2, dripping diameter at the EVA glue layer is the water droplet of 5cm, calculates whole lower times of oozing of water droplet, and it is carried out waterproofing tests, and what obtain the results are shown in Table 1.
The carpet tile that obtains in 3.3 is carried out the water absorption test, and what obtain the results are shown in Table 2.
The carpet tile that obtains in 3.3 after stamp arrangement process, is carried out the warp value test, and what obtain the results are shown in Table 3.
Comparative Examples 1
1.1 the ethylene-vinyl acetate copolymer of 42.6 weight portions, the calcium carbonate of 42.6 weight portions, the auxiliary material of 2.1 weight portions are mixed with the water of 12.7 weight portions, obtain EVA glue, described auxiliary material is bleeding agent, dispersant and blowing agent.
After 1.2 the EVA glue that obtains in 1.1 foamed, be coated on the back side of base blanket, after doctor blade, place 125 ℃ in baking oven to be cured reaction and oven dry, obtain containing the base blanket of precoated shet.
1.3 PU glue is coated on the smoky gray nonwoven, then with PU glue and glass wool cloth pressing, 130 ℃ of heat cure reaction 5min, on glass wool cloth, apply again another layer PU glue, and with 1.2 in the base blanket pressing that contains precoated shet that obtains, carry out roll-in with composite roll and compression roller, 150 ℃ of heat cure reaction 8min obtain carpet tile.
With the base blanket horizontal positioned that contains precoated shet that obtains in 1.2, dripping diameter at the EVA glue layer is the water droplet of 5cm, calculates whole lower times of oozing of water droplet, and it is carried out waterproofing tests, and what obtain the results are shown in Table 1.
The carpet tile that obtains in 1.3 is carried out the water absorption test, and what obtain the results are shown in Table 2.
The carpet tile that obtains in 1.3 after stamp arrangement process, is carried out the warp value test, and what obtain the results are shown in Table 3.
Ooze the time under the moisture content of base blanket behind the table 1 precoating EVA glue-line
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative Examples 1 |
| Under ooze the time (min) | 50~75 | 210~275 | 30~45 | 10~15 |
The water absorption of table 2 carpet tile
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative Examples 1 |
| Water absorption (kg/m2) | 0.93 | 0.84 | 1.09 | 1.45 |
The warp value of table 3 carpet tile
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative Examples 1 |
| Warp value (mm) | 1.0 | 0.8 | 1.3 | 9 |
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. carpet tile; it is characterized in that; comprise sandwich construction; be followed successively by base blanket layer, EVA glue-line, a PU glue-line, glass fiber layer of cloth, the 2nd PU glue-line and nonwoven protective layer; described EVA glue-line is by the ethylene-vinyl acetate copolymer of 30 ~ 50 weight portions, the calcium carbonate of 10 ~ 50 weight portions, the auxiliary material of 1 ~ 2 weight portion; the insolubility silicates material of 8 ~ 40 weight portions, the water of 10 ~ 20 weight portions is made.
2. the preparation method of a carpet tile is characterized in that, may further comprise the steps:
A) EVA glue is coated on the base blanket back side, after adding thermal response, obtain containing the base blanket of watertight composition, described EVA glue comprises the ethylene-vinyl acetate copolymer of 30 ~ 50 weight portions, the calcium carbonate of 10 ~ 50 weight portions, the auxiliary material of 1 ~ 2 weight portion, the insolubility silicates material of 8 ~ 40 weight portions, the water of 10 ~ 20 weight portions;
B) the 2nd PU glue-line is coated on the nonwoven protective layer, then with the 2nd PU glue-line and glass wool cloth pressing, after the reaction that is heating and curing for the first time; apply again a PU glue-line; and then with the described base blanket roll-in that contains watertight composition, carry out being heating and curing the second time reaction after, obtain carpet tile.
3. preparation method according to claim 2 is characterized in that, described EVA glue is coated on the base blanket back side after foaming.
4. preparation method according to claim 2 is characterized in that, the temperature that heats in the described steps A is 120 ℃ ~ 150 ℃.
5. preparation method according to claim 2 is characterized in that, described auxiliary material is selected from one or more in bleeding agent, dispersant, blowing agent and the thickener.
6. preparation method according to claim 2 is characterized in that, described insolubility silicates material is portland cement.
7. preparation method according to claim 2 is characterized in that, the temperature that be heating and curing the described first time is 120 ℃ ~ 140 ℃.
8. preparation method according to claim 2 is characterized in that, also comprises:
Be heating and curing for the second time after the reaction, carry out the stamp arrangement.
9. preparation method according to claim 2 is characterized in that, the temperature of the reaction that is heating and curing the described second time is 150 ℃ ~ 160 ℃.
10. the EVA glue for the preparation of carpet tile is characterized in that, comprises the ethylene-vinyl acetate copolymer of 30 ~ 50 weight portions, the calcium carbonate of 10 ~ 50 weight portions, the auxiliary material of 1 ~ 2 weight portion, the insolubility silicates material of 8 ~ 40 weight portions, the water of 10 ~ 20 weight portions.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104647878A (en) * | 2013-11-18 | 2015-05-27 | 无锡奥飞斯商用地毯有限公司 | Carpet wrinkle-resistant apparatus |
| CN106264022A (en) * | 2016-08-24 | 2017-01-04 | 威海海马地毯集团有限公司 | Block carpet of the soft end of a kind of environmental protection and preparation method thereof |
| CN107319895A (en) * | 2017-06-23 | 2017-11-07 | 威海海马大河地毯有限公司 | A kind of block magnetic carpet and preparation method thereof |
| CN109898337A (en) * | 2019-01-28 | 2019-06-18 | 山东优尼科斯科技股份有限公司 | Embryo blanket applies glue formula and embryo blanket pre-coat process |
| CN110584436A (en) * | 2019-09-03 | 2019-12-20 | 溧阳开成毯业有限公司 | Magnetic carpet and preparation method thereof |
| CN111635712A (en) * | 2020-06-18 | 2020-09-08 | 无锡奥飞斯商用地毯有限公司 | Soft-bottom square carpet and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104647878A (en) * | 2013-11-18 | 2015-05-27 | 无锡奥飞斯商用地毯有限公司 | Carpet wrinkle-resistant apparatus |
| CN106264022A (en) * | 2016-08-24 | 2017-01-04 | 威海海马地毯集团有限公司 | Block carpet of the soft end of a kind of environmental protection and preparation method thereof |
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| CN107319895A (en) * | 2017-06-23 | 2017-11-07 | 威海海马大河地毯有限公司 | A kind of block magnetic carpet and preparation method thereof |
| CN107319895B (en) * | 2017-06-23 | 2018-09-18 | 威海海马大河地毯有限公司 | A kind of blocky magnetic carpet and preparation method thereof |
| CN109898337A (en) * | 2019-01-28 | 2019-06-18 | 山东优尼科斯科技股份有限公司 | Embryo blanket applies glue formula and embryo blanket pre-coat process |
| CN109898337B (en) * | 2019-01-28 | 2021-11-12 | 山东优尼科斯科技股份有限公司 | Glue coating formula and pre-coating process for embryonic carpet |
| CN110584436A (en) * | 2019-09-03 | 2019-12-20 | 溧阳开成毯业有限公司 | Magnetic carpet and preparation method thereof |
| CN111635712A (en) * | 2020-06-18 | 2020-09-08 | 无锡奥飞斯商用地毯有限公司 | Soft-bottom square carpet and preparation method thereof |
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| CN102920295B (en) | 2014-08-06 |
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Application publication date: 20130213 Assignee: WEIHAI DERUI SYNTHETIC FIBER CO.,LTD. Assignor: Weihai Haima Carpet Co.,Ltd. Contract record no.: 2014370000146 Denomination of invention: Blocky carpet and preparation method thereof Granted publication date: 20140806 License type: Exclusive License Record date: 20141014 |
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Effective date of registration: 20230703 Address after: No. 329-9, Qingdao South Road, Weihai City, Shandong Province 264205 Patentee after: Weihai Haima Huanneng carpet Co.,Ltd. Address before: No.329-6, Qingdao South Road, Weihai City, Shandong Province, 264205 Patentee before: Weihai Haima Carpet Co.,Ltd. |