Wet web comprising viscose fibers
A viscose fiber, wet-laid technology, applied in the field of wet-laid, can solve problems such as non-biodegradability of products
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Embodiment 1
[0102] A summary of the sample composition of Example 1 is shown in Table 2.
[0103] Table 2: Sample composition of Example 1
[0104]
[0105] *MFC = microfibrillated cellulose
[0106] Production of mesh samples:
[0107] The wet-laid nonwovens were produced on inclined-wire paper machines manufactured by the company Pill Nassvliestechnik. Danufil is a standard viscose chopped fiber (with a standard cross-section). Olea is a functionalized viscose fiber with standard cross-section and hydrophobicity. Microfibrillated cellulose (MFC) from StoraEnso, MFC 1, was used.
[0108] The pulp (Canfor ECF 90) was pulped in a pulper and transferred to the pulp drum in sample la). Viscose and microfibrillated cellulose were added directly to the container (barrel) in samples 1b) to 1d). After stirring in the bucket for 5 minutes, the production of the web was started. The concentration of fiber material (viscose+pulp) in the container was 1 g / L and the concentration of fiber m...
Embodiment 2
[0120] A summary of the sample composition for Example 2 is shown in Table 4.
[0121] Table 4: Sample composition of Example 2
[0122]
[0123] *MFC = microfibrillated cellulose
[0124] Production of mesh samples:
[0125] Leonardo fibers as defined above were used in this example. Microfibrillated cellulose (MFC) from StoraEnso, MFC 1, was used. The wet strength agent used was Fennostrength 505 (PAE) from Kemira (30 g / kg viscose, defined as 100% by weight viscose + MFC).
[0126] Viscose and microfibrillated cellulose were added directly to the container (barrel) in samples 2a) to 2c). Subsequently, for samples 2a) and 2c), a wet strength agent was added to the barrel. After stirring in the bucket for 5 minutes, flannel production started. The concentration of fiber material (viscose) in the container was 1 g / L and in the fiber suspension at the start of web production was 0.17 g / L. Wet-laid nonwovens are produced with a belt speed of 4m / min and a target basis we...
Embodiment 3
[0137] A summary of the sample composition for Example 3 is shown in Table 5.
[0138] Table 6: Sample composition of Example 3
[0139]
[0140] *MFC = microfibrillated cellulose
[0141] Production of mesh samples:
[0142] The wet-laid nonwovens were produced on inclined-wire paper machines manufactured by the company Pill Nassvliestechnik. is a flat viscose chopped fiber available from Kelheim Fibers GmbH. Microfibrillated cellulose (MFC) from StoraEnso, ie MFC 1 and MFC 2 according to Table 1 was used.
[0143]Pulp (Canfor ECF 90) was pulped in a pulper and transferred to pulp drums. Viscose fibers (samples 3a) to 3c)) and microfibrillated cellulose (samples 3b) and 3c)) were added directly to the container (barrel). After stirring in the bucket for 5 minutes, the production of the web was started. The concentration of fibrous material (viscose+pulp) in the container was 1 g / L and the concentration of fibrous material (viscose+pulp) in the fiber suspension at th...
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