ES485060A1 - A procedure for preparing a paper product (Machine-translation by Google Translate, not legally binding) - Google Patents
A procedure for preparing a paper product (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES485060A1 ES485060A1 ES485060A ES485060A ES485060A1 ES 485060 A1 ES485060 A1 ES 485060A1 ES 485060 A ES485060 A ES 485060A ES 485060 A ES485060 A ES 485060A ES 485060 A1 ES485060 A1 ES 485060A1
- Authority
- ES
- Spain
- Prior art keywords
- prepolymer
- graft copolymer
- methyl
- particles
- group
- 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.)
- Expired
Links
Landscapes
- Paper (AREA)
Abstract
A process for coating paper comprising: a) adhering to at least one of its surfaces a coating composition consisting of a binder material and an organic pigment, said organic pigment being particles of water-insoluble graft copolymer consisting essentially of the product of free radical catalyzed graft copolymerization of (1) at least one ethylenically unsaturated monomer and (2) a water soluble prepolymer having a VER (reduced specific viscosity) of about 0.1 to about 2.5 (NaC1 1M, 1%, 25th), the prepolymer portion of the graft copolymer particles being present on the surface of the particles, said monometer (1) being selected from the group consisting of methyl alpha-chloroacrylate, alpha-chloroacrylate ethyl, methyl methacrylate, isopropyl methacrylate, phenyl methacrylate, vinyl chloride, acrylonitrile, methacrylonitrile, and numbers having the formula ** (formula) ** where R is hydrogen where R is hydrogen or methyl, and is methyl or chlorine, and n is 0, 1, 2, or 3 and said prepolymer (2) is selected from the group consisting of prepolymers (2) selected from the group consisting of anionic prepolymers and nonionic prepolymers prepared by addition polymerization of a vinyl monomer or mixtures or of vinicola monomers, the amount of prepolymer (2) used being to present the graft copolymer particles from about 1 part to about 25 parts by weight for every 100 parts by weight of monomer (1) used, said graft copolymer having a Tg equal to or greater than 75ºC, and b) then calendering the paper at a temperature of 50ºC to 150ºC and a pressure of 1785 kg/cm to 5355 kg/cm. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES485060A ES485060A1 (en) | 1979-10-16 | 1979-10-16 | A procedure for preparing a paper product (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES485060A ES485060A1 (en) | 1979-10-16 | 1979-10-16 | A procedure for preparing a paper product (Machine-translation by Google Translate, not legally binding) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES485060A1 true ES485060A1 (en) | 1980-09-01 |
Family
ID=8479111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES485060A Expired ES485060A1 (en) | 1979-10-16 | 1979-10-16 | A procedure for preparing a paper product (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES485060A1 (en) |
-
1979
- 1979-10-16 ES ES485060A patent/ES485060A1/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 20001204 |