Composite natural fibre bed core and preparation method thereof
A natural fiber and bed core technology, which is applied in mattresses, spring mattresses, and other seating furniture, can solve the problems of coconut palm fiber being susceptible to moisture and mildew, poor air permeability and elasticity, and harmful to human health, so that it is difficult to separate Layer, good air permeability, soft touch effect
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Embodiment 1
[0033] A kind of composite natural fiber bed core, comprises an intermediate layer 2 and the surface layer that is arranged on the upper surface and the lower surface of the intermediate layer 2, and the surface layer is composed of the following components by weight percentage: 15% PLA fiber and 85% bamboo fiber , The middle layer 2 is composed of the following components by weight percentage: 50% coconut palm fiber, 25% bamboo fiber, 10% jute fiber and 15% PP fiber.
[0034] Its preparation method comprises the following steps:
[0035] In the first step, each component is weighed according to the required ratio, opened and mixed, pre-laid, carded, air-laid, and needle-punched to prepare the non-woven layers of the upper surface layer 1 and the lower surface layer 3 respectively. The non-woven layer of surface layer 1 and lower surface layer 2 uses 15% PLA fiber and 85% bamboo fiber, and the needle punching density in the needle punching process is 88 punches / cm 2 ;
[0036]...
Embodiment 2
[0053] A composite natural fiber bed core, comprising an intermediate layer 2 and a surface layer arranged on the upper surface of the intermediate layer 2, the surface layer is composed of the following components by weight percentage: 40% PP fiber and 60% bamboo fiber, the The middle layer 2 is composed of the following components by weight percentage: 30% coconut palm fiber, 20% bamboo fiber, 10% flax fiber and 40% ES fiber.
[0054] Its preparation method comprises the following steps:
[0055] In the first step, each component is weighed according to the required ratio, opened and mixed, pre-laid, carded, air-laid, and needle-punched to prepare the non-woven layers of the upper surface layer 1 and the lower surface layer 3 respectively. The non-woven layer of surface layer 1 adopts 40% PP fiber and 60% bamboo fiber, and the needle punching density in the needle punching process is 44 punches / cm 2 ;
[0056] In the second step, according to the ratio of 30% coconut palm ...
Embodiment 3
[0071] A kind of composite natural fiber bed core, comprises an intermediate layer 2 and the surface layer that is arranged on the upper surface and the lower surface of the intermediate layer 2, and the surface layer is composed of the following components by weight percentage: 35% 4080 fiber and 65% bamboo fiber , The middle layer 2 is composed of the following components by weight percentage: 25% coconut palm fiber, 25% bamboo fiber, 25% hemp fiber and 25% ES fiber.
[0072] Its preparation method comprises the following steps:
[0073] In the first step, each component is weighed according to the required ratio, opened and mixed, pre-laid, carded, air-laid, and needle-punched to prepare the non-woven layers of the upper surface layer 1 and the lower surface layer 3 respectively. The non-woven layer of surface layer 1 and lower surface layer 3 adopts 40% 4080 fiber and 60% bamboo fiber, and the needle punching density in the needle punching process is 150 punches / cm 2 ;
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