DE3602794C2 - - Google Patents
Info
- Publication number
- DE3602794C2 DE3602794C2 DE19863602794 DE3602794A DE3602794C2 DE 3602794 C2 DE3602794 C2 DE 3602794C2 DE 19863602794 DE19863602794 DE 19863602794 DE 3602794 A DE3602794 A DE 3602794A DE 3602794 C2 DE3602794 C2 DE 3602794C2
- Authority
- DE
- Germany
- Prior art keywords
- crystalline phase
- eraser according
- eraser
- weight
- parts
- 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
- 239000004014 plasticizer Substances 0.000 claims description 14
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical group CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 8
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 claims description 8
- 239000011230 binding agent Substances 0.000 claims description 7
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 4
- MGWAVDBGNNKXQV-UHFFFAOYSA-N diisobutyl phthalate Chemical compound CC(C)COC(=O)C1=CC=CC=C1C(=O)OCC(C)C MGWAVDBGNNKXQV-UHFFFAOYSA-N 0.000 claims description 4
- 238000006068 polycondensation reaction Methods 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 229920001400 block copolymer Polymers 0.000 claims 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims 2
- 229930195729 fatty acid Natural products 0.000 claims 2
- 239000000194 fatty acid Substances 0.000 claims 2
- 150000004665 fatty acids Chemical class 0.000 claims 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 229920001634 Copolyester Polymers 0.000 claims 1
- 125000005907 alkyl ester group Chemical group 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 claims 1
- 239000004615 ingredient Substances 0.000 claims 1
- 150000003626 triacylglycerols Chemical class 0.000 claims 1
- 235000015112 vegetable and seed oil Nutrition 0.000 claims 1
- 239000008158 vegetable oil Substances 0.000 claims 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 14
- 229920000728 polyester Polymers 0.000 description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 description 7
- 235000010216 calcium carbonate Nutrition 0.000 description 7
- 238000004073 vulcanization Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 229920000578 graft copolymer Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- AGNTUZCMJBTHOG-UHFFFAOYSA-N 3-[3-(2,3-dihydroxypropoxy)-2-hydroxypropoxy]propane-1,2-diol Chemical compound OCC(O)COCC(O)COCC(O)CO AGNTUZCMJBTHOG-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229920002681 hypalon Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
- B43L19/0025—Eraser or rubber material, e.g. comprising hard particles
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863602794 DE3602794A1 (de) | 1986-01-30 | 1986-01-30 | Radierer mit elastomerem thermoplastischem bindemittel |
| DE19873719446 DE3719446A1 (de) | 1986-01-30 | 1987-06-11 | Radiererzusammensetzung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863602794 DE3602794A1 (de) | 1986-01-30 | 1986-01-30 | Radierer mit elastomerem thermoplastischem bindemittel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3602794A1 DE3602794A1 (de) | 1987-08-06 |
| DE3602794C2 true DE3602794C2 (enrdf_load_stackoverflow) | 1989-05-24 |
Family
ID=6292973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863602794 Granted DE3602794A1 (de) | 1986-01-30 | 1986-01-30 | Radierer mit elastomerem thermoplastischem bindemittel |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3602794A1 (enrdf_load_stackoverflow) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1427089A (fr) * | 1964-12-10 | 1966-02-04 | Gommes à effacer et leur fabrication | |
| US3738951A (en) * | 1970-07-24 | 1973-06-12 | Phillips Petroleum Co | Nonsmearing eraser elastomer compositions |
| JPS584072B2 (ja) * | 1979-12-31 | 1983-01-24 | 三菱鉛筆株式会社 | 字消ゴムの製造方法 |
| DE3131458C2 (de) * | 1981-08-08 | 1986-04-10 | Fa. J.S. Staedtler, 8500 Nürnberg | Radiergummi und Verfahren zu dessen Herstellung |
-
1986
- 1986-01-30 DE DE19863602794 patent/DE3602794A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3602794A1 (de) | 1987-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: C08L 67/02 |
|
| AG | Has addition no. |
Ref country code: DE Ref document number: 3719446 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| AG | Has addition no. |
Ref country code: DE Ref document number: 3719446 Format of ref document f/p: P |
|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |