1. A toner for electrostatic image development comprising toner particles, wherein
the toner particles have a domain-matrix structure in which a domain phase comprising crystalline polyester resin having a melting point of 40 to 90\xb0 C. and domain phase comprising a vinyl resin resin B having a weight average molecular weight of 250,000 to 400,000 are dispersed in a matrix phase comprising a vinyl resin A having a weight average molecular weight of 10,000 to 50,000.
2. The toner for electrostatic image development according to claim 1, wherein
a carboxy group concentration \u03b1 in the vinyl resin A and a carboxy group concentration \u03b2 in the vinyl resin B satisfy the relation (1): \u03b2\u2212\u03b1\u22670.5,and
the carboxy group concentration \u03b2 in the vinyl resin B is 0.7 to 1.5 mmolg.
3. The toner for electrostatic image development according to claim 1, wherein an ester group concentration in the crystalline polyester resin is 0.1 to 7.0 mmolg.
4. The toner for electrostatic image development according to claim 1, wherein a content of the vinyl resin B in the resins constituting the toner particles is 2 to 20% by mass.
5. The toner for electrostatic image development according to claim 1, wherein
the toner particle has a core particle and a shell layer coating a surface of the core particle to form a core-shell structure,
the core particle has the domain-matrix structure, and
the shell layer comprises an amorphous resin.
6. The toner for electrostatic image development according to claim 1, wherein
in the toner particles having the domain-matrix structure, an average diameter of the domain phase formed of the crystalline polyester resin is 50 to 2,000 nm, and an average diameter of the domain phase formed of the vinyl resin B is 50 to 1,000 nm.
7. The toner for electrostatic image development according to claim 1, wherein a content of the crystalline polyester resin in the resins constituting the toner particles is 5 to 30% by mass.
8. The toner for electrostatic image development according to claim 1, wherein the melting point of the crystalline polyester resin is 55 to 85\xb0 C.
9. The toner for electrostatic image development according to claim 1, wherein a weight average molecular weight (Mw) and a number average molecular weight (Mn) of the crystalline polyester resin measured by gel permeation chromatography (GPC) are 2,000 to 30,000 and 2,000 to 25,000, respectively.
10. The toner for electrostatic image development according to claim 3, wherein the ester group concentration in the crystalline polyester resin is 0.4 to 0.7 mmolq.
11. The toner for electrostatic image development according to claim 2, wherein the carboxy group concentration \u03b2 in the vinyl resin B is 0.1 to 1.4 mmolg.
12. The toner for electrostatic image development according to claim 2, wherein the carboxy group concentration \u03b1 in the vinyl resin A is 0.2 to 1.0 mmolg.
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 paper product dispenser for dispensing toilet paper rolls comprising a primary roll having an outer surface and a secondary roll wherein the dispenser comprises:
a) a frame comprising a face side;
b) a lateral extension having a face side, a back side, and a first end, the lateral extension coupled at the first end to the face side of the frame;
c) a primary roll support fixedly coupled to the lateral extension and extending transversely from the face side of the lateral extension, operatively configured to support the primary roll;
d) a secondary roll support coupled to the lateral extension, configured to support the secondary roll, wherein the secondary roll support extends transversely from the face side of the lateral extension;
e) a swing arm extending transversely from the lateral extension wherein the swing arm is configured to engage the outer surface of the primary roll positioned upon the primary roll support and reposition toward the radial center of the primary roll of product as the product disposed upon the primary roll is consumed;
f) a release latch coupled to the swing arm and operatively configured to deny a user access to the secondary roll until the primary roll is substantially consumed; and
g) further comprising a casing, wherein the swing arm is operatively configured to be repositioned to a reserve position, functionally resetting the dispenser automatically as the casing is opened.
2. The paper product dispenser of claim 1 wherein
a) the secondary roll support is movably coupled to a vertical channel disposed on the lateral extension wherein the secondary roll support extends transversely from the face of the lateral extension; and
b) wherein the secondary roll support interoperates with the release latch.
3. The paper product dispenser of claim 2, wherein the swing arm is operatively configured to be repositioned to the reserve position, followed by repositioning the secondary roll support to a reserve position, functionally resetting the dispenser automatically as the casing is opened.
4. The paper product dispenser of claim 2 wherein the swing arm further comprises an engagement portion operatively configured to engage the outer surface of the primary product roll until the primary product roll is substantially consumed at which point a seer latch is released and the secondary product roll is repositioned to a usable position.
5. The paper product dispenser of claim 4 wherein the swing arm further comprises the engagement portion operatively configured to release the seer latch and thus release a vertically sliding member and thus release the secondary roll product roll to an operational position only when the primary roll is completely utilized.
6. The paper product dispenser of claim 1 further comprising a casing door configured to deny access to the secondary roll of product until the primary roll of product is substantially consumed, and wherein the casing door comprises a release latch.
7. The paper product dispenser of claim 6 further comprising a casing, wherein the swing arm is operatively configured to be repositioned to a reserve position, followed by repositioning the casing door to a reserve position, functionally resetting the dispenser automatically as the casing is opened.
8. The paper product dispenser of claim 1 further comprising
a) a lower member having a first end and a second end,
b) an upper member,
c) wherein the swing arm is rotatably coupled to the frame at a first end of the lower member via a lower member pivot and the lower member further comprises a channel substantially at the second end of the lower member configured to slidably engage the upper member wherein the channel of the lower member directly engages the swing arm.
9. The paper product dispenser of claim 8 wherein the casing is rotatably attached to the frame at a casing pivot and further comprising a repositioning tab operatively configured to engage a repositioning surface on the first end of the lower member when the casing is opened to a substantially fully open position, wherein pressure against the repositioning surface of the lower member by the repositioning tab will rotate the lower member about the lower member pivot which will in turn rotate the upper member about an upper member pivot operatively configured to functionally reset the dispenser as the casing is opened.
10. The paper product dispenser of claim 9 wherein a lifting member is configured to exert force against a vertically sliding member repositioning the secondary roll support to a reserve position.
11. The paper product dispenser of claim 9 wherein the lifting member is configured to engage the outer surface of the primary roll as the casing is closed.
12. The paper product dispenser of claim 9 wherein the swing arm further comprises an engagement portion operatively configured to engage the outer surface of the primary product roll until the primary product roll is substantially consumed at which point the seer latch is released and a casing door is repositioned to an open position.
13. The paper product dispenser of claim 1 further comprising an upper member rotatably coupled to the back side of the lateral extension and comprising a cam surface slidably engaging the release latch, the upper member comprising the cam surface and a seer point which are configured to slidably engage a seer latch while the primary product roll is not substantially consumed.
14. The paper product dispenser of claim 1 wherein the swing arm extends transversely from an upper member through a surface defining a channel disposed upon the lateral extension.
15. The paper product dispenser of claim 1 further comprising a lifting member coupled at a first end to a lifting member pivot which extends from the lateral extension, the lifting member comprising an engagement surface substantially positioned at the second end of the lifting member which is operatively configured to slidably engage a vertically sliding member, and comprises a surface defining a channel positioned between the lifting member pivot and the engagement surface operatively configured to engage a sliding bar extending transversely from the upper member.
16. A paper product dispenser for dispensing product disposed on a plurality of hollow cores wherein the dispenser comprises:
a) a frame;
b) a casing pivotally coupled to the lower portion of the frame;
c) a primary roll support fixedly coupled to the frame and is operatively configured to extend into a central portion of a product roll;
d) a secondary roll support coupled to the frame;
e) wherein a seer mechanism is coupled to the casing and operatively configured to reset the secondary roll support from a position wherein the secondary product roll is accessible to a user via a dispensing opening to a position wherein the secondary product roll is inaccessible to a user via the dispensing as the casing is opened.
17. The paper product dispenser as disclosed in claim 16 further comprising:
a) a swing arm coupled to the seer mechanism and configured to engage the outer surface of the primary roll while a primary roll is being utilized and operatively configured to engage the seer mechanism and release the secondary roll support when the primary roll is substantially consumed; and
b) a lower member coupled to the frame and engaging a portion of the casing configured to reposition the swing arm when the casing is substantially opened.
18. A paper product dispenser for dispensing products wherein the dispenser comprises:
a) a frame;
b) a casing pivotally coupled to the lower portion of the frame;
c) a primary roll support coupled to the frame;
d) a swing arm coupled to the frame and configured to engage the outer surface of a primary roll of product while the primary roll is being utilized; and
e) the swing arm further coupled to the casing and operatively configured to reset to a first position as the casing is opened by way of mechanical force exerted upon the swim arm by the casing.