CN103774243A - Bast fiber low hydroformylation processing method - Google Patents
Bast fiber low hydroformylation processing method Download PDFInfo
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- CN103774243A CN103774243A CN201410010051.2A CN201410010051A CN103774243A CN 103774243 A CN103774243 A CN 103774243A CN 201410010051 A CN201410010051 A CN 201410010051A CN 103774243 A CN103774243 A CN 103774243A
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Abstract
The invention discloses a bast fiber low hydroformylation processing method. The bast fiber low hydroformylation processing method is characterized in that the processing method is a mechanical processing technology for grinding, rubbing and low hydroformylation of bast fibers, and comprises specific step of grinding and rubbing the bast fibers in four areas. The four areas are named the first area, the second area, the third area and the fourth area. The first area comprises four pairs of press rollers, each press roller is provided with 20 grooves, the first area is 56.2 cm in length, the second area is provided with four pairs of press rollers, each press roller is provided with 22 grooves, the second area is 56.2 cm in length, the third area is provided with two pairs of press rollers, each press roller is provided with 24 grooves, the third area is 24.2 cm in length, the fourth area is provided with two pairs of press rollers, each press roller is provided with 24 grooves, and the fourth area is 24.2 cm in length. According to the method, low hydroformylation processing is carried out on the bast fibers through mechanical grinding and rubbing, VOC yield and volatilization of bast fiber products are lowered, and the application range of bast fiber non-woven and composite materials in the automobile and other industrial fields is widened.
Description
Technical field
The present invention relates to textile fiber material technical field, relate in particular to the low hydroformylation processing method of a kind of flax fibre.
Background technology
Constantly soaring and environmental protection pressure is increasing along with day by day in short supply, the energy prices of international energy, national governments to the research of energy-saving and environmental protection technology more and more pay attention to, wherein one of most important measure is exactly the application of promoting lightweight, environmental friendliness shaped material.Natural biological flax fibre composite is a kind of meet energy-saving and environmental protection, new material requiring such as recyclable.It can extensive use and the field such as vehicle, building, aircraft and routine office work articles for use.Natural biological flax fibre comprises the low-cost bio materials such as hemp, flax, sisal hemp.It is wide material sources not only, and high-strength, Gao Mo and resistance to impact strong.But, because natural ramie fiber reinforced composite has been subject to impact because VOC, especially formaldehyde, acetaldehyde exceed standard serious in application, so be badly in need of adopting modification technology to reduce this type of material VOC volatile quantity in use.
Current flax fibre is widely used in non-woven and prepare composite because of features such as environmental protection, renewable, cheap, good mechanical performance.But along with the increasingly stringent of country to environmental requirement, flax fibre product is faced with VOC, the especially problem of formaldehyde, and then limited its application at industrial circles such as automobiles.In flax fibre composition, except there being the cellulose components of stable performance, also comprise the crispness components such as the unsettled pectin of performance, hemicellulose, this part crispness component is the main cause that causes flax fibre to be heated volatilizing aldehyde material.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide the low hydroformylation processing method of a kind of flax fibre, be intended to solve the flax fibre aldehyde material volatile quantity serious problem that exceeds standard.
Technical scheme of the present invention is as follows:
The low hydroformylation processing method of a kind of flax fibre, wherein, described processing method is rubbed low hydroformylation machinery treatment process for flax fibre is rolled, and concrete steps roll and rub processing flax fibre for being divided into 4th district.
The low hydroformylation processing method of described a kind of flax fibre, wherein, described Si Ge district is called after 1st district, 2nd district, 3rd district, 4th district respectively, wherein 1st district totally 4 pairs of pressure rollers, have 20 grooves on each pressure roller, and 1 section length is 56.2cm, wherein 2nd district totally 4 pairs of pressure rollers, have 22 grooves on each pressure roller, and 2 section length are 56.2cm, wherein 3rd district totally 2 pairs of pressure rollers, on each pressure roller, have 24 grooves, 3 section length are 24.2cm, wherein 4th district totally 2 pairs of pressure rollers, on each roller, have 24 grooves, 4 section length are 24.2cm.
The low hydroformylation processing method of described a kind of flax fibre, wherein, rolls after the fiber opening after rubbing for subsequent use.Described flax fibre is any one in hemp, flax, mestha, jute, described flax fibre enter 1st district roll rub before humidification 0-15%, described in roll that to rub number of times be 1-3 time, the pressure between described every pair of pressure roller is 700-1600N.
The invention discloses the low hydroformylation processing method of a kind of flax fibre, its feature is that selected flax fibre is the one in hemp, flax, mestha, jute, and rolling that fiber crops are applied rubbed mechanism and be divided into 4th district and carry out.The present invention adopts cal rolling kneading action to carry out low hydroformylation processing to flax fibre, reduced generation and the volatile quantity of the VOC of hemp product, has increased the range of application at industrial circles such as automobiles such as non-woven and composite of flax fibre.
The specific embodiment
The invention provides the low hydroformylation processing method of a kind of flax fibre, for making object of the present invention, technical scheme and effect clearer, clear and definite, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The low hydroformylation processing method of a kind of flax fibre of the present invention is that a kind of flax fibre rolls and rubs low hydroformylation machinery treatment process, concrete steps roll and rub processing flax fibre for being first divided into 4th district, wherein 1st district totally 4 pairs of pressure rollers, on each pressure roller, there are 20 grooves, 1 section length is 56.2cm, wherein 2nd district totally 4 pairs of pressure rollers, on each pressure roller, there are 22 grooves, 2 section length are 56.2cm, wherein 3rd district totally 2 pairs of pressure rollers, on each pressure roller, there are 24 grooves, 3 section length are 24.2cm, wherein 4th district totally 2 pairs of pressure rollers, on each roller, there are 24 grooves, 4 section length are 24.2cm, roll after the fiber opening after rubbing for subsequent use.Described flax fibre is any one in hemp, flax, mestha, jute, described flax fibre enter 1st district roll rub before humidification 0-15%, described in roll that to rub number of times be 1-3 time, the pressure between described every pair of pressure roller is 700-1600N.
Embodiment 1
Get without the each 10g of kenaf, tossa, hemp of any processing and carry out formaldehyde examination.Formaldehyde examination result is as follows: mestha formaldehyde is 11.50mg/kg, and jute formaldehyde is 12.66mg/kg, and hemp formaldehyde is 6.82mg/kg.
Embodiment 2
Get 100g kenaf and roll and rub processing, fiber carry out the 1st district roll rub before humidification 10g, fiber is rubbed by 1st district, 2nd district, 3rd district, rolling of 4th district successively, the pressure between every pair of upper lower compression roller is about 750N, shredding is standby after rubbing 1 time surveys.Kenaf formaldehyde examination result is as follows: formaldehyde is 4.11mg/kg.
Embodiment 3
Get 100g tossa and roll and rub processing, fiber carry out the 1st district roll rub before humidification not, fiber is rubbed by 1st district, 2nd district, 3rd district, rolling of 4th district successively, the pressure between every pair of upper lower compression roller is about 750N, shredding is standby after rubbing 1 time surveys.Tossa formaldehyde examination result is as follows: formaldehyde is 10.40mg/kg.
Embodiment 4
Get 100g tossa and roll and rub processing, fiber carry out the 1st district roll rub before humidification 10g, fiber is rubbed by 1st district, 2nd district, 3rd district, rolling of 4th district successively, the pressure between every pair of upper lower compression roller is about 750N, shredding is standby after rubbing 1 time surveys.Tossa formaldehyde examination result is as follows: formaldehyde is 10.55mg/kg.
Embodiment 5
Get 100g hemp and roll and rub processing, fiber carry out the 1st district roll rub before humidification not, fiber is rubbed by 1st district, 2nd district, 3rd district, rolling of 4th district successively, the pressure between every pair of upper lower compression roller is about 750N, shredding is standby after rubbing 1 time surveys.Hemp formaldehyde examination result is as follows: formaldehyde is 3.25mg/kg.
Embodiment 6
Get 100g hemp and roll and rub processing, fiber carry out the 1st district roll rub before humidification 10g, fiber is rubbed by 1st district, 2nd district, 3rd district, rolling of 4th district successively, the pressure between every pair of upper lower compression roller is about 750N, shredding is standby after rubbing 1 time surveys.Hemp formaldehyde examination result is as follows: formaldehyde is 4.92mg/kg.
Embodiment 7
Get 100g hemp and roll and rub processing, fiber carry out the 1st district roll rub before humidification 10g, fiber is rubbed by 1st district, 2nd district, 3rd district, rolling of 4th district successively, the pressure between every pair of upper lower compression roller is about 1000N, shredding is standby after rubbing 1 time surveys.Hemp formaldehyde examination result is as follows: formaldehyde is 5.76mg/kg.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (3)
1. the low hydroformylation processing method of flax fibre, is characterized in that, described processing method is rubbed low hydroformylation machinery treatment process for flax fibre is rolled, and concrete steps roll and rub processing flax fibre for being divided into 4th district.
2. the low hydroformylation processing method of a kind of flax fibre according to claim 1, it is characterized in that, described Si Ge district is called after 1st district, 2nd district, 3rd district, 4th district respectively, wherein 1st district totally 4 pairs of pressure rollers, on each pressure roller, there are 20 grooves, 1 section length is 56.2cm, wherein 2nd district totally 4 pairs of pressure rollers, have 22 grooves on each pressure roller, and 2 section length are 56.2cm, wherein 3rd district totally 2 pairs of pressure rollers, on each pressure roller, have 24 grooves, 3 section length are 24.2cm, wherein 4th district totally 2 pairs of pressure rollers, on each roller, have 24 grooves, 4 section length are 24.2cm.
3. the low hydroformylation processing method of a kind of flax fibre according to claim 2, is characterized in that, rolls after the fiber opening after rubbing for subsequent use.Described flax fibre is any one in hemp, flax, mestha, jute, described flax fibre enter 1st district roll rub before humidification 0-15%, described in roll that to rub number of times be 1-3 time, the pressure between described every pair of pressure roller is 700-1600N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410010051.2A CN103774243A (en) | 2014-01-02 | 2014-01-02 | Bast fiber low hydroformylation processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410010051.2A CN103774243A (en) | 2014-01-02 | 2014-01-02 | Bast fiber low hydroformylation processing method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104665A (en) * | 1984-12-28 | 1986-07-09 | 株式会社宇须纺 | The processing method of bast fiber |
| CN1654716A (en) * | 2005-02-25 | 2005-08-17 | 李朝康 | Degumming machine for ramie |
| CN101451274A (en) * | 2007-12-07 | 2009-06-10 | 李朝康 | China grass degumming and carding continues production process |
| CN101643942A (en) * | 2009-09-15 | 2010-02-10 | 四川省纺织科学研究院 | Banding and fiber opening method of ramie ribbon pattern refined dry flax |
| CN101824660A (en) * | 2010-01-22 | 2010-09-08 | 汉麻产业投资控股有限公司 | Mechanical degummed ramie softening method and device for phloem fiber |
| CN101824657A (en) * | 2010-01-22 | 2010-09-08 | 中国人民解放军总后勤部军需装备研究所 | Mechanical degluing method and device of phloem fiber |
| CN102586894A (en) * | 2012-03-26 | 2012-07-18 | 中国农业科学院麻类研究所 | Bast fiber separating device |
-
2014
- 2014-01-02 CN CN201410010051.2A patent/CN103774243A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104665A (en) * | 1984-12-28 | 1986-07-09 | 株式会社宇须纺 | The processing method of bast fiber |
| CN1654716A (en) * | 2005-02-25 | 2005-08-17 | 李朝康 | Degumming machine for ramie |
| CN101451274A (en) * | 2007-12-07 | 2009-06-10 | 李朝康 | China grass degumming and carding continues production process |
| CN101643942A (en) * | 2009-09-15 | 2010-02-10 | 四川省纺织科学研究院 | Banding and fiber opening method of ramie ribbon pattern refined dry flax |
| CN101824660A (en) * | 2010-01-22 | 2010-09-08 | 汉麻产业投资控股有限公司 | Mechanical degummed ramie softening method and device for phloem fiber |
| CN101824657A (en) * | 2010-01-22 | 2010-09-08 | 中国人民解放军总后勤部军需装备研究所 | Mechanical degluing method and device of phloem fiber |
| CN102586894A (en) * | 2012-03-26 | 2012-07-18 | 中国农业科学院麻类研究所 | Bast fiber separating device |
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