CA2712415A1 - Method and system for preparing densified lignocellulosic pulp for use in thermoplastic composite manufacturing processes - Google Patents
Method and system for preparing densified lignocellulosic pulp for use in thermoplastic composite manufacturing processes Download PDFInfo
- Publication number
- CA2712415A1 CA2712415A1 CA2712415A CA2712415A CA2712415A1 CA 2712415 A1 CA2712415 A1 CA 2712415A1 CA 2712415 A CA2712415 A CA 2712415A CA 2712415 A CA2712415 A CA 2712415A CA 2712415 A1 CA2712415 A1 CA 2712415A1
- Authority
- CA
- Canada
- Prior art keywords
- fibre
- lignocellulosic fibre
- lignocellulosic
- dense
- aggregates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract 32
- 239000002131 composite material Substances 0.000 title claims abstract 24
- 229920001169 thermoplastic Polymers 0.000 title claims abstract 24
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract 16
- 239000000835 fiber Substances 0.000 claims abstract 76
- 238000005549 size reduction Methods 0.000 claims abstract 20
- 238000013329 compounding Methods 0.000 claims 6
- 238000001746 injection moulding Methods 0.000 claims 6
- 238000001125 extrusion Methods 0.000 claims 3
- 239000002245 particle Substances 0.000 claims 3
- 238000013019 agitation Methods 0.000 claims 2
- 230000015556 catabolic process Effects 0.000 claims 2
- 238000006731 degradation reaction Methods 0.000 claims 2
- 238000009826 distribution Methods 0.000 claims 2
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 239000002655 kraft paper Substances 0.000 claims 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/066—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods the raw material being pulp sheets
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A method of preparing lignocellulosic fibre aggregates from a densified mass of lignocellulosic fibre, such as densified bales, for use in manufacturing high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites is provided. The method includes: (a) feeding densified forms of lignocellulosic fibre into a size reduction device; and size reducing the lignocellulosic fibres so as to produce dense lignocellulosic fibre aggregates having an average size profile suitable for use in manufacturing high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites. The density of the lignocellulosic fibre is generally maintained throughout the method. A system for preparing lignocellulosic fibre in accordance with the method is also provided.
Claims (46)
1. A method of preparing dense lignocellulosic fibre aggregates for use in manufacturing high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, characterized in that it comprises the steps of.
a) obtaining a densified mass of lignocellulosic fibre;
b) feeding the densified mass of lignocellulosic fibre into a size reduction device; and c) size reducing the densified mass of lignocellulosic fibre by means of the size reduction device so as to produce dense lignocellulosic fibre aggregates for use in manufacturing high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites.
a) obtaining a densified mass of lignocellulosic fibre;
b) feeding the densified mass of lignocellulosic fibre into a size reduction device; and c) size reducing the densified mass of lignocellulosic fibre by means of the size reduction device so as to produce dense lignocellulosic fibre aggregates for use in manufacturing high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites.
2. The method of claim 1 characterized in that the dense fibre aggregates produced have a particle density approximately equal to the density of the densified mass of lignocellulosic fibre .
3. The method of claim 1 characterized in that the particle density of the lignocellulosic fibre is substantially maintained after size reduction for use in manufacturing high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites.
4. The method of claim 1 characterized in that it further comprises utilizing a size reduction device that includes at least one rotor.
5. The method of claim 4 characterized in that it further comprises the step of size reducing the densified mass of lignocellulosic fibre by bringing the densified mass of lignocellulosic fibre in densified form into contact with the at least one rotor.
6. The method of claim 4 characterized in that it further comprises the step of operating the size reduction device at low RPM and high torque.
7. The method of claim 1 characterized in that it further comprises the step of size reducing the densified mass of lignocellulosic fibre such that the dense fibre aggregates have a predetermined size.
8. The method of claim 1 characterized in that it further comprises the step of size reducing the densified mass of lignocellulosic fibre such that the dense fibre aggregates have a narrow particle size distribution and minimal degradation in fibre length.
9. The method of claim 1 characterized in that it further comprises the step of size reducing the densified mass of lignocellulosic fibre such that there is reduced bridging of the dense fibre aggregates.
10. The method of claim 1 characterized in that it further comprises the step of feeding the dense fibre aggregates into a manufacturing process at a predetermined mass flow rate to produce high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites.
11. The method of claim 10 characterized in that it further comprises the step of feeding the dense fibre aggregates at the predetermined mass now rate into an extrusion, compounding, batch mixing, injection-molding, or in-line compounding and injection-molding apparatus for use in manufacturing lignocellulosic fibre and thermoplastic composites or products comprising lignocellulosic fibre and thermoplastic composites, whereby the dense fibre aggregates will experience minimal further reduction in density.
12. The method of claim 11 characterized in that it further comprises the step of utilizing a rotating screw device to feed the dense fibre aggregates into the manufacturing process apparatus.
13. The method of claim 12 characterized in that it further comprises the step of feeding the dense fibre aggregates into the manufacturing apparatus utilizing a loss-in-weight screw feeder.
14. The method of claim 10 characterized in that it further comprises the step of rotating the at least one rotor at a speed of between about 1 and 100 RPM.
15. The method of claim 1 characterized in that it further comprises the step of utilizing a low-speed high-torque shredder having at least one rotor as the size reduction device.
16. The method of claim 1 characterized in that it further comprises the step of utilizing a low-speed high-torque shredder having one or more rotors and a screen as the size reduction device.
17. The method of claim 13 characterized in that it further comprises the step of applying at least one spiral screw in the screw feeder.
18. The method of claim 17 characterized in that it further comprises the step of applying an agitation mechanism in the screw feeder.
19. The method of claim 1 characterized in that it further comprises the step of producing dense fibre aggregates having an approximate bulk density of between 0.1 and 1.5 g/cm3.
20. The method of claim 1 characterized in that it further comprises the step of producing the dense fibre aggregates having an average width of between 0.2 and 3 inches.
21. The method of claim 1 characterized in that the densified mass of lignocellulosic fibre consists of Kraft pulp.
22. The method of claim 1 characterized in that the densified mass of lignocellulosic fibre consists of High-Yield pulp.
23. The method of claim 1 characterized in that the densified mass of lignocellulosic fibre consists of agro-fibre pulp.
24. The method of claim 1 characterized in that the densified mass of lignocellulosic fibre has a bone dry moisture content of between 0 percent and 20 percent.
25. The method of claim 1 characterized in that it further comprises the step of utilizing the densified mass of lignocellulosic fibre having an approximate density of between 0.4 and 1.2 g/cm3.
26. The method of claim 1 characterized in that it further comprises the step of applying lignocellulosic fibre and thermoplastic composite manufacturing processes consisting of one or more of following: extrusion; compounding;
batch mixing; injection-molding; and in-line compounding and injection-molding.
batch mixing; injection-molding; and in-line compounding and injection-molding.
27. A system for preparing dense lignocellulosic fibre aggregates for use in manufacturing high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, characterized in that it comprises:
a) a size reduction apparatus operable to size reduce a densified mass of lignocellulosic fibre so as to produce dense lignocellulosic fibre aggregates having for use in manufacturing high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites.
a) a size reduction apparatus operable to size reduce a densified mass of lignocellulosic fibre so as to produce dense lignocellulosic fibre aggregates having for use in manufacturing high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites.
28. The system of claim 27 characterized in that the size reduction apparatus is operable to produce the dense lignocellulosic fibre aggregates having an individual aggregate density approximately equal to the density of the densified mass of lignocellulosic fibre.
29. The system of claim 28 characterized in that the size reduction apparatus includes at least one rotor.
30. The system of claim 29 characterized in that the rotor is operable at low RPM and at high torque, whereby the densified mass of lignocellulosic fibre is size reduced through contact with the rotor.
31. The system of claim 27 characterized in that the size reduction apparatus is operable at low RPM and with high torque.
32. The system of claim 27 characterized in that the size reduction apparatus is a low-speed high torque shredder equipped with at least one rotor.
33. The system of claim 32 characterized in that the least one rotor is operable to rotate at speeds between about 1 and 100 RPM.
34. The system of claim 27 characterized in that the size reduction apparatus is operable to produce the dense lignocellulosic fibre aggregates having a generally predetermined size.
35. The system of claim 27 characterized in that the size reduction apparatus is operable to produce the dense lignocellulosic fibre aggregates having a narrow aggregate size distribution with minimal degradation in fibre length.
36. The system of claim 27 characterized in that the size reduction apparatus is operable to produce the dense lignocellulosic fibre aggregates having reduced bridging for feeding into a manufacturing process resulting in manufacture of high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites, or articles made of the high performance, recyclable and moldable lignocellulosic fibre and thermoplastic composites.
37. The system of claim 27 characterized in that the size reduction apparatus is operably linked to one or more apparatuses for use in manufacturing lignocellulosic fibre and thermoplastic composites or products comprising lignocellulosic fibre and thermoplastic composites being operable to perform one or more of the following:
a) extrusion;
b) compounding;
c) batch mixing;
d) injection-molding; and e) in-line compounding and injection-molding apparatus whereby the dense lignocellulosic fibre aggregates are fed at a predetermined mass flow rate into the said one or more apparatuses.
a) extrusion;
b) compounding;
c) batch mixing;
d) injection-molding; and e) in-line compounding and injection-molding apparatus whereby the dense lignocellulosic fibre aggregates are fed at a predetermined mass flow rate into the said one or more apparatuses.
38. The system of claim 37 characterized in that the one or more apparatuses include at least one rotating screw, whereby the dense fibre aggregates may be fed at the predetermined mass flow rate into the said one or more apparatuses.
39. The system of claim 38 characterized in that the one or more apparatuses include a a loss-in-weight screw feeder, whereby the dense fibre aggregates may be fed at the predetermined mass flow rate into the said one or more apparatuses.
40. The system of claim 39 characterized in that the loss-in-weight screw feeder has at least one spiral screw.
41. The system of claim 39 characterized in that the loss-in-weight screw feeder includes or is linked to an agitation mechanism.
42. The system of claim 27 characterized in that the size reduction apparatus includes a low-speed high-torque shredder equipped with one or more rotors and a screen.
43. The system of claim 27 characterized in that the size reduction apparatus is operable to produce the dense lignocellulosic fibre aggregates having an approximate bulk density of between 0.1 and 1.5 g/cm3.
44. The system of claim 27 characterized in that the size reduction apparatus is operable to produce the dense lignocellulosic fibre aggregates having an average width of between 0.2 and 3 inches.
45. The method as claimed in claim 1 characterized in that the densified mass of lignocellulosic fibre is in densified bale form.
46. The system as claimed in claim 27 characterized in that the densified mass of lignocellulosic fibre is in densified bale form.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2180008P | 2008-01-17 | 2008-01-17 | |
| US61/021,800 | 2008-01-17 | ||
| PCT/CA2009/000043 WO2010078640A1 (en) | 2008-01-17 | 2009-01-16 | Method and system for preparing densified lignocellulosic pulp for use in thermoplastic composite manufacturing processes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2712415A1 true CA2712415A1 (en) | 2010-07-15 |
Family
ID=42316157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2712415A Abandoned CA2712415A1 (en) | 2008-01-17 | 2009-01-16 | Method and system for preparing densified lignocellulosic pulp for use in thermoplastic composite manufacturing processes |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2237935A4 (en) |
| JP (2) | JP5779351B2 (en) |
| CA (1) | CA2712415A1 (en) |
| WO (1) | WO2010078640A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9145496B2 (en) * | 2011-11-15 | 2015-09-29 | Upm-Kymmene Corporation | Composite product, a method for manufacturing a composite product and its use, a material component and a final product |
| CN114804688B (en) * | 2022-06-27 | 2022-09-16 | 山西工程科技职业大学 | Method for determining gradation and mixing ratio of regenerated mixed fine aggregate |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4381082A (en) * | 1980-12-19 | 1983-04-26 | Fmc Corporation | Particulate material handling means |
| SE436369B (en) * | 1981-05-20 | 1984-12-03 | Mo Och Domsjoe Ab | PROCEDURE FOR THE PREPARATION OF FORWARD PROCESSING TO ABSOPTION PRODUCTS IN CONVERSION FACILITIES APPROPRIATE OUTPUT MATERIAL |
| JPS62135306A (en) * | 1985-12-09 | 1987-06-18 | Toyota Motor Corp | Method for manufacturing wood-based molded bodies |
| GB2215235B (en) * | 1988-02-25 | 1992-02-05 | Ofrex Group Holdings Plc | Improvements relating to shredding machines |
| JP2689171B2 (en) * | 1989-10-02 | 1997-12-10 | 淺野スレート株式会社 | Manufacturing method of hydraulic material molded body |
| US5375780A (en) * | 1993-05-24 | 1994-12-27 | Courtaulds Fibres (Holdings) Ltd. | Comminuting wood pulp sheeting |
| JPH10329114A (en) * | 1997-05-28 | 1998-12-15 | Jidosha Buhin Eiwa Kyodo Kumiai | Paper forming method and paper forming apparatus |
| US6524442B2 (en) * | 1999-12-29 | 2003-02-25 | Kimberly-Clark Worldwide, Inc. | Apparatus for forming and metering fluff pulp |
| JP2002192507A (en) * | 2000-12-25 | 2002-07-10 | Matsushita Electric Works Ltd | Manufacturing method for fibrous plate |
| US6773545B2 (en) * | 2000-12-26 | 2004-08-10 | Kimberly-Clark Worldwide, Inc. | Method of forming and metering fluff pulp |
| ITMI20022736A1 (en) * | 2002-12-20 | 2004-06-21 | Maria Massimo De | PROCEDURE FOR THE PRODUCTION OF COMPOSITE MATERIALS |
| GB0513666D0 (en) * | 2005-07-01 | 2005-08-10 | Meadwestvaco Packaging Systems | Improved top gripping carton |
| US7699519B2 (en) * | 2005-09-12 | 2010-04-20 | The United States Of America As Represented By The Secretary Of The Navy | Alcohol-solvent extraction system |
-
2009
- 2009-01-16 EP EP09837239.4A patent/EP2237935A4/en not_active Withdrawn
- 2009-01-16 JP JP2010545336A patent/JP5779351B2/en not_active Expired - Fee Related
- 2009-01-16 CA CA2712415A patent/CA2712415A1/en not_active Abandoned
- 2009-01-16 WO PCT/CA2009/000043 patent/WO2010078640A1/en active Application Filing
-
2014
- 2014-10-14 JP JP2014209709A patent/JP2015037880A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011512270A (en) | 2011-04-21 |
| EP2237935A1 (en) | 2010-10-13 |
| EP2237935A4 (en) | 2014-02-19 |
| JP2015037880A (en) | 2015-02-26 |
| WO2010078640A1 (en) | 2010-07-15 |
| JP5779351B2 (en) | 2015-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20131206 |
|
| FZDE | Discontinued |
Effective date: 20171212 |