1. A filter insert having a space for collecting a filtrate, the space being reliably sealed, the filter insert comprising:
a plurality of filter bags, each filter bag connected to each of a plurality of frames, wherein the frames of adjacent filter bags are sealingly connected to each other;
a filtrate collecting chamber sealingly connected to the filter bags and having a filtrate outlet for removing collected filtrate from the filter insert, the filtrate collecting chamber adapted to form a filtrate collecting space and adapted to enclose the filter bags in a pot-shaped manner; and
a connecting plate sealingly connected to the filtrate collecting chamber, the connecting plate comprising a plurality of longitudinal webs that connect the frames of adjacent filter bags to each other.
2. The filter insert of claim 1, wherein the longitudinal webs of the connecting plate bridge butt joints between the frames of adjacent filter bags.
3. The filter insert of claim 2, wherein the frames of adjacent filter bags are welded to the longitudinal webs of the connecting plate.
4. The filter insert of claim 3, wherein the welding location of the frames and the connecting plate is two-dimensional.
5. The filter insert of claim 4, wherein the longitudinal webs of the connecting plate are interconnected by cross webs and wherein the cross webs and the longitudinal webs delimit apertures for connecting channels of the frames and the filtrate collecting space.
6. The filter insert of claim 5, wherein the frames of the filter bags and the connecting plate are made of the same thermoplastic material.
7. The filter insert of claim 6, wherein the filtrate collecting chamber or the connecting plate comprises a circumferential groove and wherein the respective other member comprises a lip engaging in the groove.
8. The filter insert of claim 7, wherein the groove and the lip of the filtrate collecting chamber and the connecting plate are sealingly welded.
9. A method for producing a filter insert according to claim 1, comprising:
partially melting in a laminary area the frames of adjacent filter bags at a side facing the filtrate collecting space;
partially melting in a laminary area the longitudinal webs of the connecting plate sealingly connected to the filtrate collecting chamber; and
pressing the partially melted component parts one against the other.
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 heat-curable composition comprising
(I) at least one constituent whose molecule comprises on average at least one functional group selected from the group consisting of
(A) functional groups containing at least one bond activated by means selected from heat, actinic radiation, and mixtures thereof,
(B) reactive functional groups able to undergo thermal crosslinking reactions with groups selected from the group consisting of reactive functional groups, complementary reactive functional groups, and mixtures thereof,
and mixtures thereof, with the provisos that there are always groups (A) and (B) in the composition and said constituent may not be a member selected from the group consisting of polyurethane dispersions synthesized from aliphatic polyisocyanates, compounds containing isocyanate-reactive functional groups and containing bonds activated with actinic radiation, aliphatic compounds containing isocyanate-reactive functional groups, compounds containing isocyanate-reactive functional groups and dispersing functional groups, neutralizing agents for the dispersing functional groups, blocking agents for isocyanate groups, compounds containing blocked isocyanate groups wherein the blocked isocyanate groups are introduced into the polyurethane dispersion by the reaction of blocking agents with isocyanate-containing polyurethane prepolymers, and mixtures thereof; and
(II) from 0.5 to 15% by weight, based on the solids of the heat-curable composition, of at least one C-C-cleaving initiator comprising a mixture of monomeric and oligomeric benzpinacol silylethers.
2. The composition of claim 1 wherein the mixture of monomeric and oligomeric benzpinacol silylethers comprises those of the general formulae I and II
wherein R is selected from the group consisting of alkyl radicals of 1 to 10 carbon atoms, cycloalkyl radicals of 3 to 10 carbon atoms, aryl radicals of 6 to 12 carbon atoms, and mixtures thereof, and n is an integer from 2 to 100.
3. A heat-curable composition comprising
(I) at least one constituent whose molecule comprises on average at least one functional group selected from the group consisting of
(A) functional groups containing at least one bond activated by means selected from the group consisting of heat, actinic radiation, and mixtures thereof,
(B) reactive functional groups able to undergo thermal crosslinking reactions with reactive functional groups, complementary reactive functional groups, and mixtures thereof, and mixtures thereof, with the proviso that there are always groups (A) and (B) in the composition; and
(II) a mixture of monomeric and oligomeric benzpinacol silyl ethers.
4. The composition of claim 3, wherein the mixture of benzpinacol silyl ethers comprises those of the general formulae I and II
wherein R is selected from the group consisting of alkyl radicals of 1 to 10 carbon atoms, cycloalkyl radicals of 3 to 10 carbon atoms, aryl radicals of 6 to 12 carbon atoms, and mixtures thereof, and n is an integer from 2 to 100.
5. The composition of claim 1 wherein the bonds activated by actinic radiation are selected from the group consisting of carbon-hydrogen single bonds, carbon-carbon single bonds, carbon-carbon double bonds, carbon-oxygen single bonds, carbon-oxygen double bonds, carbon-nitrogen single bonds, carbon-nitrogen double bonds, carbon-phosphorus single bonds, carbon-phosphorus double bonds, carbon-silicon single bonds, carbon-silicon double bonds.
6. The composition of claim 5, wherein the bonds activated by actinic radiation are carbon-carbon double bonds.
7. The composition of claim 1, wherein the bonds activated by actinic radiation are carbon-carbon double bonds present present in a member selected from the group consisting of (meth)acrylate, ethacrylate, crotonate, cinnamate, vinyl ether, vinyl ester, dicyclopentadienyl, norbornenyl, isoprenyl, allyl and butenyl groups; dicyclopentadienyl ether, norbornenyl ether, isoprenyl ether, isopropenyl ether, allyl ether and butenyl ether groups; and dicyclopentadienyl ester, norbornenyl ester, isoprenyl ester, isopropenyl ester, allyl ester and butenyl groups.
8. The composition of claim 1, comprising complementary reactive functional groups wherein
at least one reactive functional group is selected from the group consisting of thio, hydroxyl, amino N-methylolamino, N-alkoxymethylamino, imino, carbanate, allophanate, carboxyl groups, and mixtures thereof, and
at least one other reactive functional group is selected from the group consisting of anhydride, epoxy, blocked and unblocked isocyanate, urethane, methylol, methylol ether, siloxane, carbonate, beta-hydroxyalkylamide groups, and mixtures thereof.
9. The composition of claim 1, wherein the constituents comprise compounds, oligomers andor polymers.
10. The composition of claim 9, wherein the oligomers and polymers comprise one or more members selected from the group consisting of polymers and copolymers of ethylenically unsaturated monomers, polyaddition resins, polycondensation resins, and mixtures thereof.
11. The composition of claim 9, wherein the compounds are crosslinking agents.
12. The composition of claim 1, comprising at least one photoinitiator.
13. The composition of claim 1 which is a coating material, adhesive, or sealing compound.
14. A coating material, adhesive, or sealing compound comprising at least one heat-curable composition of claim 1.
15. The coating material, adhesive, or sealing compound of claim 14, which is a one-component system.
16. The coating material, adhesive or scaling compound of claim 14, which is selected from the group consisting of solventborne systems, aqueous systems, essentially water- and solvent-free liquid (100%) systems, finely divided solid systems, and aqueous dispersions of powder coating materials.
17. A method of making a coated film, an adhesive film or a seal, comprising applying the coating material, adhesive, or sealing compound of claim 14 to a substrate.
18. The method of claim 17 wherein the substrate is selected from the group consisting of automotive OEM substrates, previously coated substrates, doors, windows, furniture, interior substrates, exterior substrates, container coating substrates, coil coating substrates, electrical component substrates, and mixtures thereof.