Recording medium and recording method by use thereof

US 4,902,568 A
Filed: 01/30/1987
Issued: 02/20/1990
Est. Priority Date: 02/07/1986
Status: Expired due to Term

First Claim

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1. A recording medium comprising a substrate and an ink receiving layer provided on said substrate, wherein the ink receiving layer contains spherical silica and a silicon-containing water-soluble polymer.

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Abstract

There are disclosed a recording medium which comprising spherical silica contained in the surface to be recorded or in the inside thereof.

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18 Claims

1. A recording medium comprising a substrate and an ink receiving layer provided on said substrate, wherein the ink receiving layer contains spherical silica and a silicon-containing water-soluble polymer.
- View Dependent Claims (2, 3, 4, 5, 6, 7)
- - 2. A recording medium according to claim 1, wherein the secondary particle size of the spherical silica has an average diameter in the range of from 0.5 to 150 μ
    - m.
  - 3. A recording medium according to claim 1, wherein the ratio of the shortest diameter to the longest diameter of the spherical silica is 0.6 or more.
  - 4. A recording medium according to claim 1, wherein the secondary particles of the spherical silica has a fine pore size of 30 to 400 Å
    - .
  - 5. A recording medium according to claim 1, wherein the ink receiving layer contains a polymeric emulsion.
  - 6. A recording medium according to claim 1, wherein the silicon-containing water-soluble polymer is a silicon-containing modified polyvinyl alcohol.
  - 7. A recording medium according to claim 6, wherein the silicon-containing modified polyvinyl alcohol is a copolymerization product of a vinyl ester and a monomer selected from the group consisting of
    
    space="preserve" listing-type="equation">CH.sub.2 =CH(CH.sub.2).sub.n Si(R'"'"'.sub.m)(R.sup.2).sub.3-m
    wherein n is 0 or 1, m is 0 to 2, R'"'"' is lower alkyl, allyl or lower alkyl with an allyl group and R² is saturated C_1-40 branched or non-branched alkoxyl which may have an oxygen-containing substituent;
    
    space="preserve" listing-type="equation">CH.sub.2 =C(R.sup.3)CON(R.sup.4)R.sup.5 Si(R.sub.n.sup.6)(R.sup.7).sub.3-nwherein R³ is H or methyl, R⁴ is H or lower alkyl, R⁵ is alkylene or a divalent organic residue having a carbon chaim mutually bonded with oxygen or nitrogen, R⁶ is H, halogen, lower alkyl, allyl or lower alkyl with an allyl group, R⁷ is alkoxyl or acyloxyl, both of which may have an oxygen or nitrogen-containing substituent and n is 0 to 2; and
    
    space="preserve" listing-type="equation">CH.sub.2 =C(R.sup.8)Si(R.sub.n.sup.9)(OC(O)R.sup.10).sub.3-nwherein R⁸ is H or methyl, R⁹ is H, halogen, lower alkyl, allyl or lower alkyl with an allyl group, R¹⁰ is lower alkyl and n is 0 to 2.

8. A recording medium comprising a substrate and an ink receiving layer provided on said substrate, wherein spherical silica having an average diameter of 3.2 to 10 μ
- m are coated onto the substrate with a silicon-containing water-soluble polymer at a ratio of 100 parts silica to 3-100 parts polymer.
- View Dependent Claims (9, 10, 11, 12)
- - 9. A recording medium according to claim 8, wherein the secondary particles of the spherical silica have an average fine pore size in the range of from 30 to 400 Å
    - .
  - 10. A recording medium according to claim 8, wherein the ratio of the shortest diameter to the longest diameter of the spherical silica is 0.6 or more.
  - 11. A recording medium according to claim 8, wherein the silicon-containing water-soluble polymer is a silicon-containing modified polyvinyl alcohol.
  - 12. A recording medium according to claim 11, wherein the silicon-containing modified polyvinyl alcohol is a copolymerization product of a vinyl ester and a monomer selected from the group consisting of
    
    space="preserve" listing-type="equation">CH.sub.2 =CH(CH.sub.2).sub.n Si(R'"'"'.sub.m)(R.sup.2).sub.3-m
    wherein n is 0 or 1, m is 0 to 2, R'"'"' is lower alkyl, allyl or lower alkyl with an allyl group and R² is saturated C_1-40 branched or non-branched alkoxyl which may have an oxygen-containing substituent;
    
    space="preserve" listing-type="equation">CH.sub.2 =C(R.sup.3)CON(R.sup.4)R.sup.5 Si(R.sub.n.sup.6)(R.sup.7).sub.3-nwherein R³ is H or methyl, R⁴ is H or lower alkyl, R⁵ is alkylene or a divalent organic residue having a carbon chain mutually bonded with oxygen or nitrogen, R⁶ is H, halogen, lower alkyl, allyl or lower alkyl with an allyl group, R⁷ is alkoxyl or acyloxyl, both of which may have an oxygen or nitrogen-containing substituent and n is 0 to 2; and
    
    space="preserve" listing-type="equation">CH.sub.2 =C(R.sup.8)Si(R.sub.n.sup.9)(OC(O)R.sup.10).sub.3-nwherein R⁸ is H or methyl, R⁹ is H, halogen, lower alkyl, allyl or lower alkyl with an allyl group, R¹⁰ is lower alkyl and n is 0 to 2.

13. A recording medium comprising a substrate and an ink receiving layer provided on said substrate wherein spherical silica having an average diameter of 3.2 to 10 μ
- m are coated onto the substrate with a silicon-containing water-soluble polymer at a ratio of 100 parts silica to 3-100 parts polymer, and wherein the particle proportion within the particle size range of average diameter ±
  
  1.5 μ
  
  m is 60% or more.
- View Dependent Claims (14, 15, 16, 17, 18)
- - 14. A recording medium according to claim 13, wherein said particle proportion is 80% or more.
  - 15. A recording medium according to claim 13, wherein the ratio of the shortest diameter to the longest diameter of the spherical silica is 0.6 or more.
  - 16. A recording medium according to claim 13, wherein the secondary particles of the spherical silica have a fine pore size of 30 to 400 A.
  - 17. A recording medium according to claim 13, wherein the silicon-containing water-soluble polymer is a silicon-containing modified polyvinyl alcohol.
  - 18. A recording medium according to Claim 17, wherein the silicon-containing modified polyvinyl alcohol is a copolymerization product of a vinyl ester and a monomer selected from the group consisting of
    
    space="preserve" listing-type="equation">CH.sub.2 =CH(CH.sub.2).sub.n Si(R'"'"'.sub.m)(R.sup.2).sub.3-m
    wherein n is 0 or 1, m is 0 to 2, R'"'"' is lower alkyl, allyl or lower alkyl with an allyl group and R² is saturated C_1-40 branched or non-branched alkoxyl which may have an oxygen-containing substituent;
    
    space="preserve" listing-type="equation">CH.sub.2 =C(R.sup.3)CON(R.sup.4)R.sup.5 Si(R.sub.n.sup.6)(R.sup.7).sub.3-nwherein R³ is H or methyl, R⁴ is H or lower alkyl, R⁵ is alkylene or a divalent organic residue having a carbon chain mutually bonded with oxygen or nitrogen, R⁶ is H, halogen, lower alkyl, allyl or lower alkyl with an allyl group, R⁷ is alkoxyl or acyloxyl, both of which have an oxygen or nitrogen-containing substituent and n is 0 to 2; and
    
    space="preserve" listing-type="equation">CH.sub.2 =C(R.sup.8)Si(R.sub.n.sup.9)(OC(O)R.sup.10).sub.3-nwherein R⁸ is H or methyl, R⁹ is H, halogen, lower alkyl, allyl or lower alkyl with an allyl group, R¹⁰ is lower alkyl and n is 0 to 2.

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Current Assignee
Canon Kabushiki Kaisha (Canon Inc.)
Original Assignee
Canon Kabushiki Kaisha (Canon Inc.)
Inventors
Morohoshi, Naoya
Primary Examiner(s)
SCHWARTZ, PAMELA R

Application Number

US07/008,915
Time in Patent Office

1,117 Days
Field of Search

346/1.1, 346/135.1, 428/195, 428/211, 428/537.5, 428/323, 428/281, 428/283, 428/331, 428/446, 428/447, 428/514, 428/522, 427/261, 427/288
US Class Current

428/32.34
CPC Class Codes

B41M 5/5218   characterised by inorganic ...

B41M 5/5254   characterised by the use of...

B41M 5/529   characterised by the use of...

D21H 17/68   siliceous, e.g. clays

D21H 19/40   siliceous, e.g. clays

Y10T 428/31663   As siloxane, silicone or si...

Y10T 428/31906   Ester, halide or nitrile of...

Y10T 428/31935   Ester, halide or nitrile of...

Y10T 428/31993   Of paper

Recording medium and recording method by use thereof

First Claim

1 Assignment

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Abstract

51 Citations

18 Claims

Specification

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Recording medium and recording method by use thereof

First Claim

1 Assignment

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0 Petitions

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Accused Products

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Abstract

51 Citations

18 Claims

Specification

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Solutions

Use Cases

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