TWM528882U - Inflatable leather material - Google Patents

Description

Inflatable leather

This creation is about an inflatable leather, especially an inflatable leather for ultra-lightweight inflatable boats.

According to the fact that the light hull has the advantages of small size, light weight, and efficient and safe navigation, it has been widely used in various water recreation and water sports places, such as rivers, lakes, and coastal waters.

Light hulls can generally be divided into the following two types: one is made of glass fiber, and the light hull must be made into the skeleton of the hull in actual production, and then coated with fiberglass on the surface of the skeleton. The material is subjected to a plurality of complicated processing procedures such as grinding and painting on the surface of the glass fiber after the glass fiber is completely dried. In the case of such lightweight hulls, due to the high cost of the fiberglass material, the difficulty in processing and the time consuming, such light hulls are produced in small quantities and are expensive to manufacture.

Another type of inflatable dinghy, although made of fabric with wear resistance, corrosion resistance and air leakage resistance, is designed to be durable and safe, and such lightweight hulls must be expensive in actual manufacturing. In addition to special cloth materials, each bonding detail of the cloth must be strictly required. If there is a slight accident, there may be a leak. For such light hulls, not only the material cost and processing cost are high, but also the defect rate of product quality is quite high.

Referring to FIG. 1, for an inflatable rubber dinghy, a conventional inflatable fabric 10 is known in the prior patent literature as a base fabric 12 and two butyl rubbers respectively attached to opposite surfaces of the base fabric 12. Layer 14 is formed. It is worth noting that butyl rubber has the advantages of low gas permeability, good air tightness, etc., and butyl rubber is not only vulcanized. It has the ability to absorb shock and impact energy, and has excellent damping performance, electrical insulation performance, ozone resistance and weather resistance, making this inflatable fabric 10 safe for use in water recreation and water sports. However, there is still much room for improvement in the use of the inflatable fabric 10 in the sea, and the inflatable rubber dinghy using the inflatable fabric 10 still cannot meet the requirements of the ultra-lightweight inflatable boat.

In summary, the creator has in view of the necessity of improving the traditional inflatable fabrics, and has been actively studying how to improve the practical effects of inflatable fabrics in the years of design and manufacturing experience in related fields. The creation of this creation was finally made under the careful consideration of the conditions of the party.

In view of the lack of the traditional inflatable fabric, the main purpose of the present invention is to provide an inflatable leather material which has at least a light weight and high strength through the configuration of a butyl rubber layer having a specific composition and weight ratio. Good air tightness and salt water resistance.

In order to achieve the above object, the present invention adopts the following technical means: an inflatable leather material comprising a first fabric layer, a second fabric layer and a rubber paste layer. The first fabric layer and the second fabric layer each have a joint surface, and each of the joint surfaces is provided with at least one butyl rubber layer, wherein the butyl rubber layer contains 100 parts by weight of butyl rubber paste, 1.2 to 1.5 parts by weight of a hardener, 4.5 to 5 parts by weight of a vulcanizing agent, 4.5 to 5 parts by weight of a vulcanization accelerator, and 4.5 to 5 parts by weight of a tackifier; the rubber paste layer is disposed on the first fabric layer The second fabric layer is interposed with the two butyl rubber layers to form a butyl rubber laminate structure.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and description, and are not intended to limit the creation.

(previous technology)

10‧‧‧Inflatable fabric

12‧‧‧Kib

14‧‧‧butyl rubber layer

(this creation)

20‧‧‧Inflatable leather

22‧‧‧First fabric layer

220‧‧‧ joint surface

24‧‧‧Second fabric layer

240‧‧‧ joint surface

26‧‧‧butyl rubber layer

28‧‧‧Rubber paste layer

S‧‧‧butyl rubber laminated structure

Figure 1 is a schematic view of a conventional inflatable fabric.

2 is a flow chart showing the implementation of the method for manufacturing the inflatable leather material of the present invention.

Fig. 3 is a detailed flow chart of the step S12 of the method for manufacturing the inflatable leather material of the present invention.

Figure 4 is a detailed flow chart of the step S14 of the method for manufacturing the inflatable leather of the present invention.

Fig. 5 is a schematic view showing a state of the inflatable leather material of the present invention.

Fig. 6 is a schematic view showing another aspect of the inflatable leather material of the present invention.

The disclosure of the present invention mainly relates to an inflatable leather material having a specific composition and weight ratio of a butyl rubber layer and a manufacturing method thereof. First, the manufacturing method can be carried out on an existing production equipment. Inflatable leather for ultra-lightweight inflatable boats can be continuously produced without interruption. Those skilled in the art should understand that the manufacturing method can also be combined with the different needs of the user, and the fabric fabric of different properties can be used to make the leather material of the wetsuit or other diving equipment and accessories.

Please refer to FIG. 2, which is a flow chart of a method for manufacturing an inflatable leather according to a preferred embodiment of the present invention. As shown in the figure, the manufacturing method of the inflatable leather material comprises: step S10: providing two fabric layers; step S12: forming at least one butyl rubber layer on each of the joint surfaces of the two fabric layers; step S14: utilizing a rubber The paste layer bonds the two fabric layers; and step S16: performs a vulcanization procedure.

In the following, the specific contents of each step will be described in detail in conjunction with the drawings. Those skilled in the art can easily understand the characteristics and functions of the creation by the contents disclosed in the creation, and perform various modifications without departing from the spirit of the creation. Change to implement this creation based on different perspectives or applications.

In the embodiment, the method for manufacturing the inflatable leather material is performed by performing step S10 to provide two fabric layers. For convenience of description, the two fabric layers are separately divided into the first fabric layer 22 and the first In the actual implementation, the materials of the first fabric layer 22 and the second fabric layer 24 may each be a nylon fiber fabric or a polyester fiber fabric, but the creation is not limited thereto. The first fabric layer 22 and the second fabric layer 24 each have a joint surface 220, 240, and the first fabric layer 22 and the second fabric layer 24 can be bonded via the joint faces 220, 240 in a subsequent step.

Preferably, the method for manufacturing the inflatable leather is carried out in the next step. The first fabric layer 22 and the second fabric layer 24 may be calendered first, and the first fabric layer 22 / the second fabric layer 24 shall be controlled during the calendering process between 20 y/min and 30 y. /min is flatly passed through a pair of pressurizing rollers, and the first fabric layer 22 / the second fabric layer 24 is heated by one of the pressing rollers, the temperature can be between 140 and 155 degrees Celsius, in order to prevent the glue The material and paste are equal to the penetration during coating and molding. Incidentally, the calendered first fabric layer 22 and the second fabric layer 24 can further increase the gloss of the surface and maintain dimensional stability.

Please refer to FIG. 3, and also refer to FIG. 5 and FIG. 6, and then step S12 is performed to form at least one butyl rubber layer 26 on the bonding faces 220, 240 of the two fabric layers (the first and second fabric layers). . In more detail, the method of forming the butyl rubber layer 26 further includes a kneading step S120, a stirring step S122, a mixing step S124, a coating step S126, and a baking step S128.

When the kneading step S120 is performed, the monobutyl rubber compound can be kneaded by a 10,000-mass mixer. Specifically, the composition of the butyl rubber compound includes 100 parts by weight of the butyl rubber after the mastication, 1 to 3 parts by weight of the processing aid, 1 to 2 parts by weight of the antioxidant, and 12 to 15 parts by weight. The oil agent and 10 to 15 parts by weight of the reinforcing agent; the butyl rubber compound is placed in the 10,000 horsepower mixer, and the two rollers (including the coarse wheel and the thin wheel) are between 80 degrees Celsius and 110 degrees Celsius. Mix thoroughly within the temperature range. According to one embodiment of the present invention, the processing aid may be selected from a fatty acid, the anti-aging agent may be selected from 3-(3,5-Di-tert-butyl-4-hydroxyphenyl)propionic acid, and the oil agent may be selected from a cycloalkyl softening oil, and Carbon black can be used as a reinforcing agent.

When the stirring step S122 is performed, the kneaded butyl rubber compound is stirred with an organic solvent for a period of between 18 and 24 hours to form a butyl rubber paste. Specifically, the kneaded butyl rubber compound and the organic solvent may be mixed in a rubber or original drum, and the organic solvent used for diluting the rubber may be selected from toluene or xylene, but this creation Not limited to this. Preferably, the butyl rubber paste may be additionally subjected to a filtration process prior to the next step to remove large particles and some impurities which are not dispersed during the kneading.

When the mixing step S124 is performed, 100 parts by weight of the filtered butyl rubber paste and 1.2 to 1.5 parts by weight of the hardener, 4.5 to 5 parts by weight of the vulcanizing agent, and 4.5 to 5 parts by weight of the vulcanization accelerator are taken. And 4.5 to 5 parts by weight of the tackifier are mixed to form a butyl rubber compound. According to one embodiment of the present invention, the hardener may be selected from 2 to 2.5 parts by weight of polyisocyanate and 2 to 2.5 parts by weight of methylene chloride, the vulcanizing agent may be selected from magnesium oxide, and the vulcanization accelerator may be selected. 2,2'-dithiobisbenzothioazole (MBTS) or tetramethylthiuram disulfide (TMTD), polybutene can be used as a tackifier.

When the coating step S126 and the baking step S128 are performed, the butyl rubber compound is applied to the joint faces 220, 240 of the first fabric layer 22 and the second fabric layer 24 by a paste machine, respectively, and the coating is controlled. The first fabric layer 22 and the second fabric layer 24 coated with the butyl rubber compound are baked at a speed of between 12 yards/minute and 16 yards/minute, and the baking treatment temperature is substantially Between 90 and 120 degrees Celsius, a butyl rubber layer 26 (shown in Figure 5) is formed on the joining faces 220, 240 of the first fabric layer 22 and the second fabric layer 24, respectively.

Further, the coating step S126 and the baking step S128 may be repeated at least three times, that is, the coating and baking of the butyl rubber mixture may be repeated at least three times to make the first fabric layer 22 and the second fabric. At least three layers of butyl rubber layer 26 (shown in Figure 6) are formed on the bonding faces 220, 240 of layer 24. It is worth noting that the manufacturing method of the present invention is based on the use of the multilayer butyl rubber layer 26, and the selection of the specific composition of the butyl rubber layer 26 and the adjustment of the formulation, the resulting inflatable leather material 20 It can have more properties such as high mechanical strength, good air tightness, salt water resistance and wear resistance.

Please refer to FIG. 4, and also refer to FIG. 5 and FIG. 6, and then step S14 is performed to bond the first fabric layer 22 and the second fabric layer 24 with a rubber paste layer 28. In more detail, the method of forming the rubber paste layer 28 further includes a coating step S140, a baking step S142, and a bonding step S144.

When the coating step S140 is performed, the butyl rubber compound is obtained by a knife method. The surface of the butyl rubber layer 26 uniformly formed on the first fabric layer 22 or the second fabric layer 24. Further, in order to increase the processing formability of the rubber paste layer 28, the butyl rubber mixture may be adjusted with an organic solvent (such as toluene) before being coated, and then adjusted to a film shape by the pitch of the trowel and the number of knives. The thickness and shape of the butyl rubber compound.

When the baking step S142 and the bonding step S144 are performed, the first fabric layer 22 or the second fabric layer 24 coated with the butyl rubber compound must be controlled at a speed of from 5 yards/minute to 7 yards/minute. The baking treatment is performed, and the temperature of the baking treatment is substantially between 80 and 120 degrees Celsius, whereby a rubber paste layer 28 is formed on the butyl rubber layer 26 of the first fabric layer 22 or the second fabric layer 24. Thereafter, the first fabric layer 22 and the second fabric layer 24 are affixed together through the rubber paste layer 28, and a butyl rubber laminated structure S is formed therebetween (as shown in FIGS. 5 and 6). . It should be noted that the material of the rubber paste layer 28 is also substantially a butyl rubber. In other words, the rubber paste layer 28 is also a butyl rubber layer.

Preferably, the laminated semi-finished product can be further pressed by an embossing machine before proceeding to the next step, thereby making the first fabric layer 22, the butyl rubber laminated structure S and the second fabric layer 24 The overall composition is more dense.

Finally, step S16 is performed to perform a vulcanization procedure. In actual implementation, the semi-finished product is first wound and then wrapped into a hollow can and sent to a vertical hot air oven for vulcanization. The temperature range is between 120 and 150 degrees Celsius. And the time range is between 150 and 210 minutes. After the time of vulcanization is completed, the product can be wound up from the hollow can, so that the manufacturing method of the creation is completed.

Referring to Figures 5 and 6, the specific embodiment and operating conditions of the method for manufacturing the inflatable leather of the present invention have been described in detail above. Therefore, the present invention further provides an inflatable leather 20 comprising a first fabric layer 22 A second fabric layer 24 and a rubber paste layer 28.

Specifically, the first fabric layer 22 and the second fabric layer 24 each have a joint surface 220, 240, and each of the two joint faces 220, 240 is provided with at least one butyl rubber layer 26, wherein the butyl rubber layer 26 contains 100 parts by weight of butyl rubber paste, 1.2 to 1.5 parts by weight of hardener, 4.5 to 5 parts by weight of a vulcanizing agent, 4.5 to 5 parts by weight of a vulcanization accelerator, and 4.5 to 5 parts by weight of a tackifier.

On the other hand, a rubber paste layer 28 is disposed between the first fabric layer 22 and the second fabric layer 24 and is in contact with the two butyl rubber layers 26 on the first and second fabric layers 22, 24, respectively. Thereby, a butyl rubber laminated structure S is formed between the first and second fabric layers 22, 24, and the butyl rubber laminated structure S provides more properties and improves its own mechanical strength.

In actual implementation, the materials of the first fabric layer 22 and the second fabric layer 24 may each be a nylon fiber fabric or a polyester fiber fabric; and the hardener in the butyl rubber layer 26 may be selected from 2 to 2.5 parts by weight of polyisocyanate ( Polyisocyanate) and 2~2.5 parts by weight of methylene chloride, vulcanizing agent can be selected from magnesium oxide, vulcanization accelerator can be used as 2,2'-dithiobisbenzothioazole (MBTS) Or tetramethylthiuram disulfide (TMTD), and polybutene can be used as the tackifier.

In summary, this creation has at least the following advantages over conventional inflatable fabrics:

1. The manufacturing method of the inflatable leather material of the present invention can be achieved according to the specific process steps and the operation conditions of the specific operation, and the continuous and large amount of ultra-lightweight inflatable leather material production demand can be improved under the consideration of quality and cost. The competitive advantage overcomes the limitations of traditional inflatable fabrics in continuous production.

2. In addition to the structural improvement, the inflatable leather of the present invention can at least have light weight, high mechanical strength and air tightness due to the selection of specific components of the butyl rubber layer and the adjustment of the formulation. Good and salt-resistant characteristics, which can meet the requirements of ultra-lightweight inflatable boats.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of patent protection of the present invention. Anyone who is familiar with the artist, does not deviate from the spirit and scope of this creation. Within the enclosure, the equivalent replacement of the changes and retouchings still falls within the scope of the patent protection of this creation.

20‧‧‧Inflatable leather

22‧‧‧First fabric layer

220‧‧‧ joint surface

24‧‧‧Second fabric layer

240‧‧‧ joint surface

26‧‧‧butyl rubber layer

28‧‧‧Rubber paste layer

S‧‧‧butyl rubber laminated structure

Claims (7)

An inflatable leather material comprising: a first fabric layer and a second fabric layer each having a joint surface, and the joint surface is provided with at least one butyl rubber layer, wherein the butyl rubber layer contains 100 parts by weight a butyl rubber paste, 1.2 to 1.5 parts by weight of a hardener, 4.5 to 5 parts by weight of a vulcanizing agent, 4.5 to 5 parts by weight of a vulcanization accelerator, and 4.5 to 5 parts by weight of a tackifier; and a rubber paste A layer is disposed between the first fabric layer and the second fabric layer and is respectively in contact with the two butyl rubber layers to form a butyl rubber laminate structure. The aerated leather material of claim 1, wherein the rubber paste layer has the same formulation composition as the butyl rubber layer. The inflatable leather material according to claim 1, wherein the first fabric layer is a nylon fiber cloth or a polyester fiber cloth, and the second fabric layer is a nylon fiber cloth or a polyester fiber cloth. The aerated leather according to claim 1, wherein the hardener contains 2 to 2.5 parts by weight of polyisocyanate and 2 to 2.5 parts by weight of methylene chloride. The aerated leather of claim 1, wherein the vulcanizing agent is magnesium oxide. The aerated leather material according to claim 1, wherein the vulcanization accelerator is 2,2'-dithiobisbenzothioazole (MBTS) or tetramethylthiuram disulfide (TMTD). ). The aerated leather material of claim 1, wherein the tackifier is polybutene.