1. An olefin block copolymer (A-1) represented by the formula (I)
PO1-g1-B1\u2003\u2003(I)
wherein PO1 is a polyolefin segment having a weight average molecular weight of from 500 to 1800, which is obtained by polymerizing or copolymerizing at least one \u03b1-olefin selected from linear or branched \u03b1-olefins having 2 to 20 carbon atoms, g1 is an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, and B1 is a segment containing an unsaturated hydrocarbon or a hetero atom.
2. The olefin block copolymer (A-1) according to claim 1 wherein the g1 linkage is an ether, ester or amide linkage and the B1 segment is prepared by chain polymerization.
3. An olefin block copolymer (A-1) represented by the formula (I)
PO1-g1-B1\u2003\u2003(I)
wherein PO1 is a polyolefin segment having a weight average molecular weight of at least 2000, which is obtained by polymerizing or copolymerizing at least one \u03b1-olefin selected from linear or branched \u03b1-olefins having 2 to 20 carbon atoms, g1 is an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, and B1 is a segment containing an unsaturated hydrocarbon or a hetero atom which has a weight-average molecular weight of less than 500.
4. The olefin block copolymer (A-1) according to claim 3 wherein the g1 linkage is an ether, ester or amide linkage and the B1 segment is prepared by chain polymerization.
5. An olefin block copolymer (A-5) represented by the formula (V)
POB5-g5-F5\u2003\u2003(V)
wherein POB5 is a di-block segment derived from an olefin block copolymer (A-2) represented by the formula (II),
PO2-f2-R2\u2014(X2)n-h2 (II)
wherein PO2 is a polyolefin segment comprised of repeating units derived from an olefin having 2 to 20 carbon atoms, f2 is an ether, ester or amide linkage, R2 is a functional segment prepared by chain polymerization, X2 is an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, h2 is a polar group selected from an amino group, a halogen atom, and an isocyanate, aldehyde, hydroxyl, carboxyl, acid anhydride, silanol, sulfonic acid and epoxy groups, and n is 0 or 1 and wherein g5 is an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, and F5 is a polar segment containing an unsaturated hydrocarbon or hetero atom, which is prepared by condensation reaction, ion reaction or addition reaction.
6. An olefin block copolymer (A-6) represented by the formula (VI)
POB6-g6-F6-g16-POB16\u2003\u2003(VI)
wherein POB6 and POB16, which may be the same or different, are each a di-block segment derived from an olefin block copolymer (A-2) represented by the formula (II),
PO2-f2-R2\u2014(X2)n-h2\u2003\u2003(II)
wherein PO2 is a polyolefin segment comprised of repeating units derived from an olefin having 2 to 20 carbon atoms, f2 is an ether, ester or amide linkage, R2 is a functional segment prepared by chain polymerization, X2 is an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, h2 is a polar group selected from an amino group, a halogen atom, and an isocyanate, aldehyde, hydroxyl, carboxyl, acid anhydride, silanol, sulfonic acid and epoxy groups, and n is 0 or 1, and wherein g6 and g16, which may be the same or different, are each an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, and F6 is a polar segment composed of a hydrocarbon or a polar segment containing an unsaturated hydrocarbon or hetero atom, which is prepared by condensation reaction, ion reaction or addition reaction.
7. An olefin block copolymer (A-7) represented by the formula (VII);
(POB7i-g7i-)k-G7\u2003\u2003(VII)
wherein POB7i, which may be the same or different, are each a di-block segment derived from an olefin block copolymer (A-2) represented by the formula (II),
PO2-f2-R2\u2014(X2)n-h2\u2003\u2003(II)
wherein PO2 is a polyolefin segment comprised of repeating units derived from an olefin having 2 to 20 carbon atoms, f2 is an ether, ester or amide linkage, R2 is a functional segment prepared by chain polymerization, X2 is an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, h2 is a polar group selected from an amino group, a halogen atom, and an isocyanate, aldehyde, hydroxyl, carboxyl, acid anhydride, silanol, sulfonic acid and epoxy groups, and n is 0 or 1 or a di-block segment derived from an olefin block copolymer (A-3) represented by the formula (III)
PO3-g3-F3\u2003\u2003(III)
wherein PO3 is a polyolefin segment comprised of repeating units derived from an olefin having 2 to 20 carbon atoms, g3 is an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, and F3 is a polar segment containing an unsaturated hydrocarbon or hetero atom, which is prepared by condensation reaction, ion reaction or addition reaction,
and wherein g7i, which may be the same or different, are each an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, and G7 is a polyvalent group containing an unsaturated hydrocarbon or hetero atom, i is an integer of 1 to 5 and k is an integer of 2 to 500.
8. A hot melt adhesive comprising an olefin block copolymer (A-1) of formula (I)
PO1-g1-B1\u2003\u2003(I)
wherein PO1 is a polyolefin segment having a weight average molecular weight of at least 2000, which is obtained by polymerizing or copolymerizing at least one \u03b1-olefin selected from linear or branched \u03b1-olefins having 2 to 20 carbon atoms, g1 is an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, and B1 is a segment containing an unsaturated hydrocarbon or a hetero atom which has a weight-average molecular weight of less than 500.
9. A hot melt adhesive composition comprising:
10 to 90 parts by weight of an olefin block copolymer (A-1) represented by the formula (I)
PO1-g1-B1\u2003\u2003(I)
wherein PO1 is a polyolefin segment having a weight average molecular weight of from 500 to 1800, which is obtained by polymerizing or copolymerizing at least one olefin selected from linear or branched \u03b1-olefins having 2 to 20 carbon atoms, g1 is an ester, ether, amide, imide, urethane, urea, silylether or carbonyl linkage, and B1 is a segment containing an unsaturated hydrocarbon or a hetero atom and
90 to 10 parts by weight of a tackifier resin (B)
based on the total amount 100 parts by weight of the olefin block copolymer (A-1) and the tackifier resin (B).
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A device for handling particles within a fluid, the device comprising:
an inlet operative to receive fluid containing particles;
a channel operative to allow a flow of the fluid, the channel being in a spiral configuration;
a means for separating the particles within the fluid; and,
at least one outlet for the fluid.
2. The device as set forth in claim 1 wherein the channel has a width, a height and a radius of curvature.
3. The device as set forth in claim 2 wherein the particles are separated based on at least one of the width, the height, the radius of curvature, a velocity of the fluid and a viscosity of the fluid.
4. The device as set forth in claim 2 wherein the width of the channel varies along the spiral.
5. The device as set forth in claim 1 wherein the means for separating comprises at least one cavity disposed along the channel.
6. The device as set forth in claim 1 wherein the means for separating comprises separated paths along the channel connected to corresponding outlets.
7. The device as set forth in claim 2 wherein the radius of curvature increases along the channel.
8. The device as set forth in claim 2 wherein the radius of curvature decreases along the channel.
9. The device as set forth in claim 2 wherein planar channels may be stacked into helical structures to expand for length within a constrained area or footprint.
10. The device as set forth in claim 1 wherein the inlet is operative to receive the fluid having particles from a pump.
11. The device as set forth in claim 1 wherein the outlet is operative to convey the fluid to a flow fractionation system.
12. The device as set forth in claim 5 wherein the at least one cavity includes a collar operative to be selectively rotated to one of an opened and closed position.
13. The device as set forth in claim 1 further comprising at least one booster positioned in the channel.
14. The device as set forth in claim 13 wherein the booster is a hydrofoil.
15. The device as set forth in claim 1 wherein the spiral configuration comprises a first spiral portion and a second spiral portion.
16. The device as set forth in claim 15 wherein the first spiral portion includes the inlet disposed in a center thereof.
17. The device as set forth in claim 15 wherein the second spiral portion includes the outlet disposed in a center thereof.
18. The device as set forth in claim 15 wherein the first spiral portion is operative as a concentrator to compress particles against one side of the channel and the second spiral portion is operative as a separator to move particles across the channel.
19. The device as set forth in claim 15 wherein the inlet and the outlet are disposed on a periphery of the spiral configuration.
20. The device as set forth in claim 1 wherein the channel comprises a trough having a first depth on an outer wall of the spiral configuration and a second depth on an inner wall of the spiral configuration, the first depth being greater than the second depth.
21. A method for forming a spiral separation device, the method comprising:
forming a substrate having at least one channel formed therein;
providing a first structure to a first end of the substrate;
providing a second structure to a second end of the substrate, the second structure being operative as an outlet for the device; and,
rolling the substrate around the first structure.
22. The method as set forth in claim 21 further comprising laminating a second substrate to the substrate.
23. The method as set forth in claim 21 wherein the first structure is connected to the substrate and is operative as an inlet for the device.
24. The method as set forth in claim 21 wherein the first structure is operative to be removed from the device after the rolling.