8 results about "Coir fiber" patented technology

The invention belongs to the technical field of preparation of electromagnetic wave-absorbing and heat-insulating materials, and discloses a composite wave-absorbing and heat-insulating material and a preparation method and application thereof.The preparation method comprises the steps that coconut fiber carbon aerogel is prepared, then C / SiC nanowire composite aerogel is prepared from the coconut fiber carbon aerogel and silicon dioxide dry gel powder, the pretreated C / SiC nanowire composite aerogel is soaked in a ZIF-8 precursor solution, and the ZIF-8 precursor solution is dried to obtain the composite wave-absorbing and heat-insulating material. The composite wave-absorbing and heat-insulating material with specific orientation arrangement is obtained. The prepared composite material has a three-dimensional connected network structure arranged in a specific orientation mode, is high in wave absorbing performance, wide in absorption frequency band, good in heat insulation performance and low in density, can effectively absorb electromagnetic waves of different wave bands by adjusting the ZIF-8 loading capacity, and has important application value in the fields of electromagnetic wave absorbing, high-temperature heat insulation and the like.

The aerosol generating article (10)(100)(1000) comprises an aerosol generating substrate (12)(112)(1004) and a downstream element (42)(150)(1008) provided downstream of the aerosol generating substrate (12)(112)(1004) and axially aligned with the aerosol generating substrate, the downstream element comprising a cellulosic filtration material. The fibrous material comprises a plurality of regenerated cellulose fibers selected from one or more of viscose fibers, modal fibers, lyocell fibers, and viscose rayon fibers, or a plurality of natural fibers selected from one or more of flax fibers, hemp fibers, jute fibers, kenaf fibers, ramie fibers, abaca fibers, phormium fibers, sisal fibers, coir fibers, cotton fibers, and kapok fibers. The cellulosic fibrous material further comprises an additive coating applied to multiple regenerated cellulose or natural fibers, the additive coating containing at least 5% by weight of exogenous lignin on a dry weight basis.

The application discloses a kind of coconut fiber composite resistance flow structure for ecological management of mining area slope, it is related to environmental management technical field, including the slope surface erosion-resistant layer, slope surface infiltration system and slope foot resistance flow system being sequentially arranged from top to bottom along slope surface;Slope surface erosion-resistant layer includes coconut fiber vegetation blanket, coconut fiber vegetation blanket is laid on slope surface, and vegetation is planted on coconut fiber vegetation blanket;Slope surface infiltration system includes a plurality of flow guide groove, and high permeability mixed material is filled in flow guide groove;Slope foot resistance flow system includes a plurality of resistance flow blocks and a plurality of resistance flow modules, resistance flow module and resistance flow block are alternately arranged along the bottom of slope surface, and resistance flow module includes net-like box, and composite filler is filled in box;The bottom of flow guide groove is oppositely arranged with resistance flow block. Therefore, by the three-level synergies of slope surface erosion-resistant layer deceleration runoff, infiltration system enhances infiltration and ordered flow guide, resistance flow system blocks silt, the present scheme can effectively regulate slope surface runoff.

The invention relates to a loudspeaker cone containing coconut fiber as well as a preparation method and application of the loudspeaker cone. The loudspeaker cone containing the coconut fiber is prepared from the following raw materials in parts by weight: 25-70 parts of unbleached sulfite softwood pulp, 20-65 parts of long stapled cotton pulp and 3.5-21 parts of modified coconut fiber, the modified coconut fiber is prepared from the following components in parts by weight: 2 to 15 parts of degummed coconut fiber and 1.5 to 6 parts of cationic binder. According to the loudspeaker cone containing the coconut fibers, the Young modulus, damping and fatigue resistance are well balanced.

The utility model discloses a multifunctional intelligent mattress, which relates to the technical field of mattresses, and comprises a mattress main body, the bottom of the mattress main body is connected with a support pad, the inside of the support pad is connected with a reinforcing rope, the bottom part of the support pad is connected with a bottom pad, and the bottom part of the bottom pad is respectively provided with anti-skidding particles and air holes. Through the arrangement of the supporting pad and the reinforcing ropes, the supporting pad woven by natural arenga engleri or natural coconut fibers is hard in texture and good in toughness, and the structural strength of the supporting pad is improved by the aid of the nylon reinforcing ropes, so that the supporting pad can support the bottom of the mattress main body and bear the pressure of elastic components in the mattress main body; elastic parts in the mattress main body are prevented from falling into gaps of a bed frame, so that the phenomenon that the mattress main body is deformed due to uneven stress after being used for a long time or is scratched and abraded by the bed frame is avoided; the soft top of the mattress does not affect comfort, and the hard bottom of the mattress improves supporting performance, so that the service life of the mattress is prolonged.

The utility model discloses a kind of coconut palm fiber walking mats of planting green plants, including coconut palm pad body and coconut palm rope, coconut palm rope surface is fixed with coconut palm rope, coconut palm rope includes warp rope and weft rope, warp rope and weft rope are longitudinally and transversely interlaced and are arranged in coconut palm pad body surface, and green plant is planted in the gap of coconut palm pad body.The utility model is provided with brown pad body and green plant, coconut palm fiber pad is laid on mountain path, is made of natural coconut fruit extraction fiber, is non-toxic and harmless, and will naturally corrode after durability, return to soil, naturally restore without recycling or removing, green plant is planted in the gap of coconut palm pad body, green plant can naturally grow in the natural substrate in pad body, form stable vegetation cover layer, harmonious with surrounding environment, no sense of discomfort, can create natural landscape effect, prevent silt loss simultaneously, and damaged mountain path is repaired, with high environmental protection value.

This invention discloses an innovative process for producing an environmentally friendly and biodegradable 3D sheet material based on coconut coir fiber, utilizing high-frequency dielectric heating and high-pressure forming. This process involves heating the coconut coir fiber in a temperature range of 140°C to 180°C using radio waves to activate the natural lignin, which is then combined with a pressure of 140 kg / cm² to form a strong and flexible structure. The end result is a highly durable, reusable, and environmentally friendly material, and can be applied in a variety of products such as 3D insulating wall coverings, packaging materials, cooler boxes, and protection for fragile items.The main advantage of this invention is the use of natural lignin as a binder, eliminating the need for synthetic adhesives, and providing a more environmentally friendly solution by utilizing coconut fiber as the main raw material.

This utility model relates to the field of shaping technology for mattress production, and discloses a hot air shaping device for producing high-elasticity and breathable coconut fiber mattresses. The device includes a housing, a heating chamber fixedly connected to the top of the housing, a support frame fixedly connected inside the heating chamber, a hydraulic cylinder inside the housing, and a connecting rod fixedly connected to the output end of the hydraulic cylinder. A shaping assembly is located inside the heating chamber. The shaping assembly includes an upper pressure plate, a connecting block three, a connecting block one, and a flattening roller one. One side of the outer wall of the upper pressure plate is fixedly connected to one end of the connecting rod one, and one end of the connecting block three is fixedly connected to the outer wall of the upper pressure plate. In this utility model, the coconut fiber to be compressed is conveyed into the heating chamber, where it is initially shaped by the flattening roller one. The connecting block one is connected to the upper pressure plate via the connecting block three. The upper pressure plate can be moved up and down by the connecting rod one connected to the output end of the hydraulic cylinder for shaping, thus meeting the needs of different thicknesses.