{"id":10973,"date":"2026-07-31T00:00:01","date_gmt":"2026-07-31T00:00:01","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=10973"},"modified":"2026-08-09T14:37:39","modified_gmt":"2026-08-09T14:37:39","slug":"waterborne-lamination-ink-additives","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/de\/waterborne-lamination-ink-additives\/","title":{"rendered":"Waterborne Lamination Ink Additives: Bond & Foam"},"content":{"rendered":"

Waterborne lamination ink additives<\/strong> must be judged in the finished laminate, not from a drawdown alone. Film treatment, ink transfer, drying, residual water, ink-to-film adhesion, adhesive compatibility and laminate bond come before release claims. Separate wetting from process air and dried-web handling.<\/p>\n

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Ink retracts on film<\/strong>
Confirm 2100 identity before screening.<\/div>\n
Circulation builds foam<\/strong>
Screen 3062.<\/div>\n
Web blocks or bond falls<\/strong>
Fix dry\/rewind\/adhesive first.<\/div>\n<\/div>
Original waterborne lamination ink map: final bond governs wetting, foam and handling decisions.<\/figcaption><\/figure>\n

Map the complete laminate<\/h2>\n

Record print process, printed film and treatment level\/age, ink layer, adhesive chemistry and coat weight, second web, nip, cure and aging. Define whether ink is surface printed or reverse printed. The same additive can change ink adhesion, intercoat contact and adhesive bond differently.<\/p>\n

Control treatment and drying<\/h2>\n

Verify corona, plasma or primer condition on the actual film lot. Track ink coat weight, dryer temperature, airflow, web speed, exhaust and residual moisture. Warm rewinding and retained water can create blocking or weak bond that a surface additive cannot repair.<\/p>\n

Resolve the 2100 identity<\/h2>\n

The site contains two conflicting records: CHLUMIAG\u00ae 2100<\/a> und CHLUMIWE\u00ae 2100<\/a>. Both state 0.1\u20131.0%, printing-ink use and water\/solvent\/UV scope, but they do not establish one unambiguous current brand. Require exact name, code, TDS and COA for the supplied lot.<\/p>\n

Compare supported routes<\/h2>\n\n\n\n\n\n\n\n
Route<\/th>\nPublished evidence<\/th>\nPossible first use<\/th>\nGrenze<\/th>\n<\/tr>\n<\/thead>\n
Confirmed 2100 wetting grade<\/td>\nConflicting identities; both state 0.1\u20131.0% and printing-ink use<\/td>\nRetraction on treated film<\/td>\nMust preserve ink adhesion and laminate bond<\/td>\n<\/tr>\n
3062<\/a><\/td>\n100% active; printing-ink dose 0.1\u20130.5%; all systems<\/td>\nAir from mixing, pumping or chamber return<\/td>\nSolvent dilution requires stability\/defoaming tests<\/td>\n<\/tr>\n
3501<\/a><\/td>\nPrinting, OPV and release\/anti-sticking applications listed<\/td>\nSupplier-supported block study<\/td>\nNo public dose, active content or quantified block\/bond result<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Use 2100 for measured wetting failure<\/h2>\n

After identity confirmation, screen from the approved low level while holding treatment, viscosity, deposit, press speed and drying constant. Measure pinholes, skips, tone, density and ink adhesion. Better spread is rejected if adhesive wetting, interlayer bond, rub or aging declines.<\/p>\n

Use 3062 for process air<\/h2>\n

Locate air entry in the mixer, pump, filters, chamber or return. Screen within 0.1\u20130.5% and measure wet density, foam height\/decay and pinholes across a production-length circulation period. Reject filter, transfer, drying, resolubility, storage or laminate-bond failures.<\/p>\n

Keep 3501 behind a full evidence gate<\/h2>\n

First exclude retained water, inadequate drying, excessive rewind temperature or hardness and incomplete adhesive cure. Obtain active content, dose, vehicle compatibility and a defined pressure\/temperature\/time block method. Then require final bond evidence; an anti-sticking listing does not prove lamination compatibility.<\/p>\n

Run a controlled matrix<\/h2>\n\n\n\n\n\n\n\n\n
Set<\/th>\n\u00c4ndern<\/th>\nPrim\u00e4rma\u00dfnahme<\/th>\nFinal gate<\/th>\n<\/tr>\n<\/thead>\n
A<\/td>\nProcess control<\/td>\nTransfer, foam, dry, adhesion and block<\/td>\nLaminate bond\/aging<\/td>\n<\/tr>\n
B\u2013D<\/td>\nConfirmed 2100 low\/mid\/high<\/td>\nFilm wetting and density<\/td>\nInk adhesion and bond<\/td>\n<\/tr>\n
E\u2013G<\/td>\n3062 within 0.1\u20130.5%<\/td>\nDichte, Schaumbildung und Poren<\/td>\nDry, adhesion and bond<\/td>\n<\/tr>\n
H\u2013J<\/td>\n3501 after data approval<\/td>\nDefined block test<\/td>\nAdhesive wetting, bond and rub<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Measure ink adhesion to packaging film<\/h2>\n

ASTM F2252\/F2252M<\/a> describes a tape practice for ink or coating adhesion to flexible packaging materials. Agree on tape application\/removal and acceptance. Test after ink drying and after relevant laminate aging.<\/p>\n

Compare laminate ply bond<\/h2>\n

ASTM F904<\/a> provides a separation practice for bond strength of similar flexible laminates. Control specimen width, direction, conditioning and peel setup. Do not compare different film structures or thicknesses as though values were directly interchangeable.<\/p>\n

Normalize printed density<\/h2>\n

ASTM D7305<\/a> can measure reflection density on flat paper, film or board, but not metal or foil. Match density before ranking adhesion, rub or bond. Density is a control variable, not proof of adequate lamination.<\/p>\n

Retain unlaminated print controls from each trial roll.<\/p>\n

Measure rub and block separately<\/h2>\n

ASTM D5264<\/a> provides a comparative rub practice. Blocking needs a separate rewind simulation with defined temperature, pressure and time. A route can improve release while weakening ink adhesion or laminate bond.<\/p>\n

Age the finished structure<\/h2>\n

Test bond after the adhesive\u2019s specified cure and after relevant heat, humidity, freezer, fill or product-contact conditioning. Inspect the actual failure path: film\/ink, ink split, ink\/adhesive, cohesive adhesive or adhesive\/second web. A number without failure location can misidentify the additive effect.<\/p>\n

Run the adhesive at its target mix ratio, coat weight and pot-life position. Measure residual solvent or water when the project requires it. Repeat bond across machine and transverse directions and at roll center and edges, because treatment, ink deposit, drying and nip pressure can vary across the web.<\/p>\n

Entscheidungsregeln<\/h2>\n